GERM Reservoir Database
Development and Maintenance by the EarthRef.org Database Team

GERM Database Search Results        
Reservoir Z Element Value Median SD Low High N Unit Info Reference Source(s)
Bone Valley Formation 80 Hg 0.025         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Chemically Determined, U.S. Geological Survey Lab. Altschuller 1980
Marine Phosphorites   Th/U 0.055             Trace element ratios for Marine Phosphorite using values given in a previous table (table 4). Ratio values used to differentiate Phosphorites, Shales and Apatite. Altschuller 1980
Oulad Abdoun Basin 80 Hg 0.055         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Chemically Determined, U.S. Geological Survey Lab. Altschuller 1980
Marine Apatites 83 Bi 0.06         9 ppm Bi contents of sedimentary marine apatite from four major localities. Bi contents derived from nine different composites according to Neutron Activation Analysis and given in ppm. Altschuller 1980
Marine Shales 47 Ag 0.07           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Pungo River Formation 80 Hg 0.085         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Chemically Determined, U.S. Geological Survey Lab. Altschuller 1980
Marine Shales   Y/RE 0.15             Ratios of trace element values given in table 5 for Shale according to Turekian and Wedepohl 1961. Values used to differentiate Shale, Phosphorite and Apatite. Altschuller 1980 Turekian & Wedepohl 1961
Marine Shales 48 Cd 0.3           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Alborz Mountains 47 Ag 0.4         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 0.1 ppm. Altschuller 1980 Aval et al. 1968
Marine Shales 34 Se 0.6           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Marine Shales 69 Tm 0.6         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Marine Shales 71 Lu 0.7         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Mishash Formation 4 Be 0.7         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 0.7 ppm. Altschuller 1980 Mazor 1963
La Caja Formation 4 Be 0.8         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 0.7 ppm. Altschuller 1980 Rogers et al. 1956
Marine Shales   Y/La 0.85             Ratios of trace element values given in table 5 for Shale according to Turekian and Wedepohl 1961. Values used to differentiate Shale, Phosphorite and Apatite. Altschuller 1980 Turekian & Wedepohl 1961
Alborz Mountains 4 Be 1         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 0.7 ppm. Altschuller 1980 Aval et al. 1968
Dover Sandstone 47 Ag 1         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 0.1 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Marine Shales 65 Tb 1         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Mishash Formation 47 Ag 1         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 0.1 ppm. Altschuller 1980 Mazor 1963
Tamalyk Krasnoyarsk 47 Ag 1         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 0.1 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Brown Rock 42 Mo 1.2         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Chemically determined, U.S. Geological Survey Lab. Detection Limit = 3 ppm. Altschuller 1980
Marine Apatites 69 Tm 1.2         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Monterey Formation 47 Ag 1.3         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 0.1 ppm. Altschuller 1980
Bone Valley Formation 47 Ag 1.4         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 0.1 ppm. Altschuller 1980
Marine Apatites 79 Au 1.4         7 ppb Au contents of sedimentary marine apatite from four major localities. Au contents derived from seven different composites according to Fire assay and Neutron Activation Analysis given in ppb. Altschuller 1980
Marine Shales 63 Eu 1.4         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Battle Creek Formation 47 Ag 1.6         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 0.1 ppm. Altschuller 1980 De Keyser & Cook 1972
La Caja Formation 47 Ag 1.6         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 0.1 ppm. Altschuller 1980 Rogers et al. 1956
Marine Shales 67 Ho 1.6         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Marine Phosphorites   Y/La 1.8             Trace element ratios for Marine Phosphorite using values given in a previous table (table 4). Ratio values used to differentiate Phosphorites, Shales and Apatite. Altschuller 1980
Monterey Formation 4 Be 1.8         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 0.7 ppm. Altschuller 1980
Bambui Group 5 B 10         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Augmented by chemical data from Rader & Hill 1938 as follows: Analysis 7: average of 6 samples; Analysis 11: average of 8 samples: Analysis 18: average of 9 samples.  Detection Limit = 10 or 30 ppm. Altschuller 1980 Cathcart 1974
Bambui Group 27 Co 10         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 1 ppm. Altschuller 1980 Cathcart 1974
Bambui Group 31 Ga 10         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 1 ppm. Altschuller 1980 Cathcart 1974
Bambui Group 21 Sc 10         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 1 ppm. Altschuller 1980 Cathcart 1974
Battle Creek Formation 3 Li 10         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 30 ppm. Altschuller 1980 De Keyser & Cook 1972
Dover Sandstone 29 Cu 10         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 0.3 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Marine Phosphorites   Zn/Cd 10             Trace element ratios for Marine Phosphorite using values given in a previous table (table 4). Ratio values used to differentiate Phosphorites, Shales and Apatite. Altschuller 1980
Oulad Abdoun Basin 48 Cd 10         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 10ppm. Altschuller 1980
Oulad Abdoun Basin 21 Sc 10         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 1 ppm. Altschuller 1980
Phosphoria Formation 21 Sc 10         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 1 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 70 Yb 10         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 1 ppm. Altschuller 1980 Gulbrandsen 1966
Pungo River Formation 25 Mn 10         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 0.7 ppm. Altschuller 1980
Tamalyk Krasnoyarsk 42 Mo 10         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 3 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Marine Shales 59 Pr 10.7         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Bambui Group 39 Y 100         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 2 ppm. Altschuller 1980 Cathcart 1974
Battle Creek Formation 38 Sr 100         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 2 ppm. Altschuller 1980 De Keyser & Cook 1972
Marine Phosphorites 23 V 100 70   7 300 18 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Marine Shales 5 B 100           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Monterey Formation 40 Zr 100         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 3 ppm. Altschuller 1980
Oulad Abdoun Basin 56 Ba 100         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 3 ppm. Altschuller 1980
Phosphoria Formation 56 Ba 100         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 3 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 29 Cu 100         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 0.3 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 28 Ni 100         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 2 ppm. Altschuller 1980 Gulbrandsen 1966
Tamalyk Krasnoyarsk 25 Mn 100         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 0.7 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Tamalyk Krasnoyarsk 39 Y 100         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 2 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Bambui Group 22 Ti 1000         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 2 ppm. Altschuller 1980 Cathcart 1974
Phosphoria Formation 24 Cr 1000         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 1 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 38 Sr 1000         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 2 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 22 Ti 1000         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 2 ppm. Altschuller 1980 Gulbrandsen 1966
La Caja Formation 38 Sr 1010         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 2 ppm. Altschuller 1980 Rogers et al. 1956
La Caja Formation 57 La 104         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 30 ppm. Altschuller 1980 Rogers et al. 1956
Marine Apatites 58 Ce 104         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Mishash Formation 92 U 105         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 300 ppm. Altschuller 1980 Mazor 1963
Bone Valley Formation 57 La 106         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 30 ppm. Altschuller 1980
Marine Phosphorites 21 Sc 11 10   5 18 12 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Battle Creek Formation 24 Cr 110         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 1 ppm. Altschuller 1980 De Keyser & Cook 1972
Battle Creek Formation 23 V 110         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 1 ppm. Altschuller 1980 De Keyser & Cook 1972
Dover Sandstone 57 La 110         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 30 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Mishash Formation 22 Ti 110         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 2 ppm. Altschuller 1980 Mazor 1963
Battle Creek Formation 39 Y 1100         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 2 ppm. Altschuller 1980 De Keyser & Cook 1972
Bone Valley Formation 33 As 12         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Altschuller 1980
Bone Valley Formation 70 Yb 12         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 1 ppm. Altschuller 1980
La Caja Formation 82 Pb 12         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 1 ppm. Altschuller 1980 Rogers et al. 1956
Monterey Formation 31 Ga 12         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 1 ppm. Altschuller 1980
Monterey Formation 21 Sc 12         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 1 ppm. Altschuller 1980
Marine Apatites 70 Yb 12.6         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Marine Apatites 64 Gd 12.8         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Dover Sandstone 40 Zr 120         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 3 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Marine Phosphorites 92 U 120 105   30 260 7 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Monterey Formation 39 Y 120         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 2 ppm. Altschuller 1980
Mishash Formation 38 Sr 1200         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 2 ppm. Altschuller 1980 Mazor 1963
Monterey Formation 22 Ti 1200         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 2 ppm. Altschuller 1980
Marine Phosphorites 25 Mn 1230 200   8 7540 17 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Battle Creek Formation 30 Zn 125         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin, Australia), P2O5: 8-37% (mostly 24-37%). Detection Limit = 100 ppm. Altschuller 1980 De Keyser & Cook 1972
Marine Phosphorites 24 Cr 125 75   7 400 18 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Bone Valley Formation 29 Cu 13         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 0.3 ppm. Altschuller 1980
Marine Shales 33 As 13           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Marine Shales 21 Sc 13           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Monterey Formation 5 B 13         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 10 or 30 ppm. Altschuller 1980
Phosphoria Formation 5 B 13         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Chemically determined, U.S. Geological Survey Lab. Detection Limit = 10 or 30 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 34 Se 13         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection limits and values as per Rader and Hill 1936 as follows: Analysis 7; 1 sample: Analysis 15; 3 samples: Analysis 14; 4 samples: Analysis 18 based on 6 samples from Robbins and Carter 1970. Detection Limit = 0.8 ppm. Altschuller 1980 Gulbrandsen 1966
Pungo River Formation 28 Ni 13         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 2 ppm. Altschuller 1980
Battle Creek Formation 56 Ba 130         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 3 ppm. Altschuller 1980 De Keyser & Cook 1972
Bone Valley Formation 40 Zr 130         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 3 ppm. Altschuller 1980
La Caja Formation 56 Ba 130         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 3 ppm. Altschuller 1980 Rogers et al. 1956
Marine Shales 23 V 130           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Monterey Formation 25 Mn 130         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 0.7 ppm. Altschuller 1980
Marine Apatites 57 La 133         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Mishash Formation 56 Ba 135         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 3 ppm. Altschuller 1980 Mazor 1963
La Caja Formation 39 Y 136         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 2 ppm. Altschuller 1980 Rogers et al. 1956
Brown Rock 5 B 14         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Chemically determined, U.S. Geological Survey Lab. Detection Limit = 10 or 30 ppm. Altschuller 1980
Marine Phosphorites 70 Yb 14 10   4 40 11 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Bone Valley Formation 92 U 140         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 300 ppm. Altschuller 1980
Oulad Abdoun Basin 92 U 140         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 300 ppm. Altschuller 1980
Bone Valley Formation 38 Sr 1400         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 2 ppm. Altschuller 1980
Bambui Group 56 Ba 1440         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Arithmetic Average. Detection Limit = 3 ppm. Altschuller 1980 Cathcart 1974
Marine Phosphorites 57 La 147 110   0 300 13 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Brown Rock 33 As 15         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Altschuller 1980
Karatau 33 As 15         10 ppm Dark, granular and oolitic phosphorites, cherty and dolomitic, in a sequence of black shales and dolomites of the Lesser Karatau geosyncline, Karatau, Kazakhstan U.S.S.R.  Averages of 5-10 specimens except for Cr, Mo and Li: P2O5 = 26-32% Altschuller 1980 Kholodov 1963
Oulad Abdoun Basin 33 As 15         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Altschuller 1980
Pungo River Formation 70 Yb 15         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 1 ppm. Altschuller 1980
Slope Lisbourne Group 21 Sc 15         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 1 ppm. Altschuller 1980 Patton & Matzko 1959
Slope Lisbourne Group 50 Sn 15         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 3 ppm. Altschuller 1980 Patton & Matzko 1959
Slope Lisbourne Group 40 Zr 15         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 3 ppm. Altschuller 1980 Patton & Matzko 1959
Bambui Group 23 V 150         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Arithmetic Average. Detection Limit = 1 ppm. Altschuller 1980 Cathcart 1974
Oulad Abdoun Basin 29 Cu 150         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 0.3 ppm. Altschuller 1980
Pungo River Formation 57 La 150         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 30 ppm. Altschuller 1980
Oulad Abdoun Basin 38 Sr 1500         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 2 ppm. Altschuller 1980
Bone Valley Formation 48 Cd 16         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 10 ppm. Altschuller 1980
Marine Phosphorites 5 B 16 13   0 35 11 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Marine Shales 40 Zr 160           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Monterey Formation 23 V 160         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 1 ppm. Altschuller 1980
Battle Creek Formation 22 Ti 1670         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 2 ppm. Altschuller 1980 De Keyser & Cook 1972
Karatau 23 V 17         10 ppm Dark, granular and oolitic phosphorites, cherty and dolomitic, in a sequence of black shales and dolomites of the Lesser Karatau geosyncline, Karatau, Kazakhstan U.S.S.R.  Averages of 5-10 specimens except for Cr, Mo and Li: P2O5 = 26-32%Detection Limit = 1 ppm. Altschuller 1980 Kholodov 1963
Mishash Formation 25 Mn 17         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 0.7 ppm. Altschuller 1980 Mazor 1963
Mishash Formation 42 Mo 17         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 3 ppm. Altschuller 1980 Mazor 1963
Mishash Formation 40 Zr 17         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 3 ppm. Altschuller 1980 Mazor 1963
Alborz Mountains 57 La 170         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 30 ppm. Altschuller 1980 Aval et al. 1968
Battle Creek Formation 82 Pb 170         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 1 ppm. Altschuller 1980 De Keyser & Cook 1972
Brown Rock 25 Mn 1700         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 0.7 ppm. Altschuller 1980
Battle Creek Formation 42 Mo 175         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 3 ppm. Altschuller 1980 De Keyser & Cook 1972
Dover Sandstone 24 Cr 175         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 1 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Pungo River Formation 24 Cr 175         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 1 ppm. Altschuller 1980
Alborz Mountains 23 V 18         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 1 ppm. Altschuller 1980 Aval et al. 1968
Bone Valley Formation 5 B 18         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 10 or 30 ppm. Altschuller 1980
Dover Sandstone 21 Sc 18         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 1 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Marine Phosphorites 48 Cd 18 18   0 40 8 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Alborz Mountains 82 Pb 180         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 1 ppm. Altschuller 1980 Aval et al. 1968
Bone Valley Formation 30 Zn 180         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 100 ppm. Altschuller 1980
Marine Shales 27 Co 19           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Marine Shales 31 Ga 19           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Phosphoria Formation 42 Mo 19         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Chemically determined, U.S. Geological Survey Lab. Detection Limit = 3 ppm. Altschuller 1980 Gulbrandsen 1966
Marine Apatites 66 Dy 19.2         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
La Caja Formation 25 Mn 190         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 0.7 ppm. Altschuller 1980 Rogers et al. 1956
Slope Lisbourne Group 56 Ba 190         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 3 ppm. Altschuller 1980 Patton & Matzko 1959
Monterey Formation 38 Sr 1900         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 2 ppm. Altschuller 1980
Marine Phosphorites 30 Zn 195 190   0 764 16 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Mishash Formation 23 V 195         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 1 ppm. Altschuller 1980 Mazor 1963
Bone Valley Formation 4 Be 2         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 0.7 ppm. Altschuller 1980
Brown Rock 4 Be 2         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 0.7 ppm. Altschuller 1980
Karatau 31 Ga 2         10 ppm Dark, granular and oolitic phosphorites, cherty and dolomitic, in a sequence of black shales and dolomites of the Lesser Karatau geosyncline, Karatau, Kazakhstan U.S.S.R.  Averages of 5-10 specimens except for Cr, Mo and Li: P2O5 = 26-32%Detection Limit = 1 ppm. Altschuller 1980 Kholodov 1963
Kyzyl Kum 47 Ag 2         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 0.1 ppm. Altschuller 1980 Kapustyanski 1964
Kyzyl Kum 4 Be 2         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 0.7 ppm. Altschuller 1980 Kapustyanski 1964
Kyzyl Kum 29 Cu 2         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 0.3 ppm. Altschuller 1980 Kapustyanski 1964
Kyzyl Kum 42 Mo 2         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 3 ppm. Altschuller 1980 Kapustyanski 1964
Marine Phosphorites 47 Ag 2 1.5   0 7 15 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Marine Shales 21 Sc 2         6 ppm Average contents of Scandium in sedimentary marine apatites as based from 6 sample analyses from a range of different localities. All values in ppm. Altschuller 1980
Phosphoria Formation 58 Ce 2         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Chemically determined, U.S. Geological Survey Lab. Detection Limit = 70 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 27 Co 2         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 1 ppm. Altschuller 1980 Gulbrandsen 1966
Marine Shales   Ce/La 2.1             Ratios of trace element values given in table 5 for Shale according to Turekian and Wedepohl 1961. Values used to differentiate Shale, Phosphorite and Apatite. Altschuller 1980 Turekian & Wedepohl 1961
Oulad Abdoun Basin 34 Se 2.5         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 0.8 ppm. Altschuller 1980
Belkinsk Akai Sayan 42 Mo 2.6         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 3 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Bone Valley Formation 34 Se 2.6         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 0.8 ppm. Altschuller 1980
Marine Phosphorites 4 Be 2.6 2.5   0 8.5 16 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Marine Shales 42 Mo 2.6           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Marine Shales 70 Yb 2.6           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Marine Apatites 71 Lu 2.7         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Bone Valley Formation 42 Mo 2.8         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 3 ppm. Altschuller 1980
Alborz Mountains 24 Cr 20         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 1 ppm. Altschuller 1980 Aval et al. 1968
Bambui Group 82 Pb 20         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 1 ppm. Altschuller 1980 Cathcart 1974
Kyzyl Kum 39 Y 20         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 2 ppm. Altschuller 1980 Kapustyanski 1964
Kyzyl Kum 40 Zr 20         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 3 ppm. Altschuller 1980 Kapustyanski 1964
Marine Apatites 62 Sm 20         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Marine Shales 82 Pb 20           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Mishash Formation 27 Co 20         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 1 ppm. Altschuller 1980 Mazor 1963
Oulad Abdoun Basin 28 Ni 20         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 2 ppm. Altschuller 1980
Pungo River Formation 48 Cd 20         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 10 ppm. Altschuller 1980
Pungo River Formation 82 Pb 20         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 1 ppm. Altschuller 1980
Belkinsk Akai Sayan 25 Mn 200         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 0.7 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Kyzyl Kum 56 Ba 200         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 3 ppm. Altschuller 1980 Kapustyanski 1964
Kyzyl Kum 57 La 200         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 30 ppm. Altschuller 1980 Kapustyanski 1964
Monterey Formation 48 Cd 200         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Chemically determined, U.S. Geological Survey Lab. Detection Limit = 10 ppm. Altschuller 1980
Monterey Formation 30 Zn 200         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 100 ppm. Altschuller 1980
Oulad Abdoun Basin 22 Ti 200         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 2 ppm. Altschuller 1980
Pungo River Formation 30 Zn 200         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 100 ppm. Altschuller 1980
Tamalyk Krasnoyarsk 28 Ni 200         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 2 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Kyzyl Kum 25 Mn 2000         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 0.7 ppm. Altschuller 1980 Kapustyanski 1964
Battle Creek Formation 28 Ni 21         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 2 ppm. Altschuller 1980 De Keyser & Cook 1972
Marine Apatites 59 Pr 21         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Brown Rock 40 Zr 210         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 3 ppm. Altschuller 1980
Karatau 47 Ag 210         10 ppm Dark, granular and oolitic phosphorites, cherty and dolomitic, in a sequence of black shales and dolomites of the Lesser Karatau geosyncline, Karatau, Kazakhstan U.S.S.R.  Averages of 5-10 specimens except for Cr, Mo and Li: P2O5 = 26-32%Detection Limit = 0.1 ppm. Altschuller 1980 Kholodov 1963
Karatau 39 Y 215         10 ppm Dark, granular and oolitic phosphorites, cherty and dolomitic, in a sequence of black shales and dolomites of the Lesser Karatau geosyncline, Karatau, Kazakhstan U.S.S.R.  Averages of 5-10 specimens except for Cr, Mo and Li: P2O5 = 26-32%Detection Limit = 2 ppm. Altschuller 1980 Kholodov 1963
Oulad Abdoun Basin 30 Zn 215         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Chemically Determined, U.S. Geological Survey Lab. Average of 3 prospecting composites by neutron activation. Detection Limit = 100 ppm. Altschuller 1980
La Caja Formation 23 V 220         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 1 ppm. Altschuller 1980 Rogers et al. 1956
Monterey Formation 24 Cr 220         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 1 ppm. Altschuller 1980
Alborz Mountains 70 Yb 23         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 1 ppm. Altschuller 1980 Aval et al. 1968
Battle Creek Formation 23 V 23         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 1 ppm. Altschuller 1980 De Keyser & Cook 1972
Brown Rock 82 Pb 23         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 1 ppm. Altschuller 1980
Marine Phosphorites 33 As 23 15   6 80 8 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Marine Apatites 68 Er 23.3         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Bone Valley Formation 25 Mn 230         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 0.7 ppm. Altschuller 1980
Alborz Mountains 58 Ce 235         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 70 ppm. Altschuller 1980 Aval et al. 1968
Alborz Mountains 39 Y 235         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 2 ppm. Altschuller 1980 Aval et al. 1968
Bone Valley Formation 39 Y 235         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 2 ppm. Altschuller 1980
Brown Rock 58 Ce 235         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 70 ppm. Altschuller 1980
Slope Lisbourne Group 23 V 240         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 1 ppm. Altschuller 1980 Patton & Matzko 1959
Monterey Formation 29 Cu 25         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 0.3 ppm. Altschuller 1980
Pungo River Formation 23 V 25         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 1 ppm. Altschuller 1980
Dover Sandstone 58 Ce 250         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 70 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Slope Lisbourne Group 28 Ni 250         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 2 ppm. Altschuller 1980 Patton & Matzko 1959
Tamalyk Krasnoyarsk 30 Zn 2500         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 100 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Bone Valley Formation 58 Ce 255         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 70 ppm. Altschuller 1980
Marine Shales 39 Y 26           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Dover Sandstone 92 U 260         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 300 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Marine Phosphorites 39 Y 260 175   20 1100 16 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Mishash Formation 24 Cr 265         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 1 ppm. Altschuller 1980 Mazor 1963
Brown Rock 24 Cr 27         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 1 ppm. Altschuller 1980
Slope Lisbourne Group 42 Mo 27         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 3 ppm. Altschuller 1980 Patton & Matzko 1959
Alborz Mountains 22 Ti 270         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 2 ppm. Altschuller 1980 Aval et al. 1968
Marine Apatites 39 Y 275         9 ppm Average contents of Yttrium in sedimentary marine apatites as based from 9 sample analyses from a range of different localities. Average value may be too high due to an unusually high value incorporated into the average from Cook 1972. Altschuller 1980
Mishash Formation 30 Zn 280         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 100 ppm. Altschuller 1980 Mazor 1963
La Caja Formation 22 Ti 295         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 2 ppm. Altschuller 1980 Rogers et al. 1956
Alborz Mountains 31 Ga 3         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 1 ppm. Altschuller 1980 Aval et al. 1968
Bambui Group 4 Be 3         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 0.7 ppm. Altschuller 1980 Cathcart 1974
Belkinsk Akai Sayan 4 Be 3         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 0.7 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Belkinsk Akai Sayan 29 Cu 3         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 0.3 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Karatau 3 Li 3         10 ppm Dark, granular and oolitic phosphorites, cherty and dolomitic, in a sequence of black shales and dolomites of the Lesser Karatau geosyncline, Karatau, Kazakhstan U.S.S.R.  Averages of 5-10 specimens except for Cr, Mo and Li: P2O5 = 26-32%Detection Limit = 30 ppm. Altschuller 1980 Kholodov 1963
La Caja Formation 27 Co 3         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 1 ppm. Altschuller 1980 Rogers et al. 1956
Marine Phosphorites 50 Sn 3     0 15 13 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Marine Shales 4 Be 3           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Oulad Abdoun Basin 4 Be 3         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 0.7 ppm. Altschuller 1980
Phosphoria Formation 47 Ag 3         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 0.1 ppm. Altschuller 1980 Gulbrandsen 1966
Pungo River Formation 4 Be 3         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 0.7 ppm. Altschuller 1980
Bone Valley Formation 22 Ti 3.1         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 2 ppm. Altschuller 1980
Marine Apatites 65 Tb 3.2         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Marine Shales   Th/U 3.2             Ratios of trace element values given in table 5 for Shale according to Turekian and Wedepohl 1961. Values used to differentiate Shale, Phosphorite and Apatite. Altschuller 1980 Turekian & Wedepohl 1961
Marine Shales 70 Yb 3.6         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Oulad Abdoun Basin 3 Li 3.6         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 30 ppm. Altschuller 1980
Marine Shales 92 U 3.7           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Battle Creek Formation 47 Ag 3.8         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 0.1 ppm. Altschuller 1980 De Keyser & Cook 1972
La Caja Formation 5 B 3.8         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 10 or 30 ppm. Altschuller 1980 Rogers et al. 1956
Marine Shales 68 Er 3.8         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Alborz Mountains 21 Sc 30         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 1 ppm. Altschuller 1980 Aval et al. 1968
Bambui Group 29 Cu 30         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 0.3 ppm. Altschuller 1980 Cathcart 1974
Bambui Group 28 Ni 30         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 2 ppm. Altschuller 1980 Cathcart 1974
Bambui Group 92 U 30         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 300 ppm. Altschuller 1980 Cathcart 1974
Battle Creek Formation 29 Cu 30         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 0.3 ppm. Altschuller 1980 De Keyser & Cook 1972
Brown Rock 29 Cu 30         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 0.3 ppm. Altschuller 1980
Brown Rock 28 Ni 30         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 2 ppm. Altschuller 1980
Brown Rock 23 V 30         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 1 ppm. Altschuller 1980
Oulad Abdoun Basin 70 Yb 30         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 1 ppm. Altschuller 1980
Oulad Abdoun Basin 40 Zr 30         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 3 ppm. Altschuller 1980
Phosphoria Formation 25 Mn 30         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 0.7 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 40 Zr 30         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 3 ppm. Altschuller 1980 Gulbrandsen 1966
Pungo River Formation 5 B 30         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 10 or 30 ppm. Altschuller 1980
Slope Lisbourne Group 5 B 30         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 10 or 30 ppm. Altschuller 1980 Patton & Matzko 1959
Slope Lisbourne Group 25 Mn 30         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 0.7 ppm. Altschuller 1980 Patton & Matzko 1959
Tamalyk Krasnoyarsk 48 Cd 30         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Chemically determined, U.S. Geological Survey Lab. Detection Limit = 10 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Tamalyk Krasnoyarsk 82 Pb 30         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 1 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Bambui Group 38 Sr 300         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 2 ppm. Altschuller 1980 Cathcart 1974
Battle Creek Formation 22 Ti 300         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 2 ppm. Altschuller 1980 De Keyser & Cook 1972
Belkinsk Akai Sayan 38 Sr 300         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 2 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
La Caja Formation 30 Zn 300         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 100 ppm. Altschuller 1980 Rogers et al. 1956
Marine Shales 38 Sr 300           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Marine Shales   Zn/Cd 300             Ratios of trace element values given in table 5 for Shale according to Turekian and Wedepohl 1961. Values used to differentiate Shale, Phosphorite and Apatite. Altschuller 1980 Turekian & Wedepohl 1961
Oulad Abdoun Basin 24 Cr 300         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 1 ppm. Altschuller 1980
Oulad Abdoun Basin 57 La 300         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 30 ppm. Altschuller 1980
Phosphoria Formation 57 La 300         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 30 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 23 V 300         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 1 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 39 Y 300         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 2 ppm. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 30 Zn 300         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Detection Limit = 100 ppm. Altschuller 1980 Gulbrandsen 1966
Pungo River Formation 39 Y 300         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 2 ppm. Altschuller 1980
Slope Lisbourne Group 57 La 300         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 30 ppm. Altschuller 1980 Patton & Matzko 1959
Slope Lisbourne Group 39 Y 300         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 2 ppm. Altschuller 1980 Patton & Matzko 1959
Tamalyk Krasnoyarsk 29 Cu 300         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 0.3 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Tamalyk Krasnoyarsk 38 Sr 300         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 2 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Belkinsk Akai Sayan 56 Ba 3000         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 3 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Alborz Mountains 42 Mo 335         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 3 ppm. Altschuller 1980 Aval et al. 1968
Alborz Mountains 25 Mn 3350         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 0.7 ppm. Altschuller 1980 Aval et al. 1968
Alborz Mountains 28 Ni 35         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 2 ppm. Altschuller 1980 Aval et al. 1968
Battle Creek Formation 27 Co 35         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 1 ppm. Altschuller 1980 De Keyser & Cook 1972
Mishash Formation 5 B 35         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 10 or 30 ppm. Altschuller 1980 Mazor 1963
Marine Phosphorites 56 Ba 350 200   56 1450 17 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Slope Lisbourne Group 29 Cu 350         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 0.3 ppm. Altschuller 1980 Patton & Matzko 1959
Mishash Formation 29 Cu 36         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 0.3 ppm. Altschuller 1980 Mazor 1963
Alborz Mountains 56 Ba 370         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 3 ppm. Altschuller 1980 Aval et al. 1968
Monterey Formation 42 Mo 38         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 3 ppm. Altschuller 1980
Marine Shales 39 Y 38.4         9 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Brown Rock 70 Yb 4         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 1 ppm. Altschuller 1980
Dover Sandstone 42 Mo 4         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 3 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Karatau 4 Be 4         10 ppm Dark, granular and oolitic phosphorites, cherty and dolomitic, in a sequence of black shales and dolomites of the Lesser Karatau geosyncline, Karatau, Kazakhstan U.S.S.R.  Averages of 5-10 specimens except for Cr, Mo and Li: P2O5 = 26-32%Detection Limit = 0.7 ppm. Altschuller 1980 Kholodov 1963
Marine Phosphorites 31 Ga 4 2   0 12 9 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Slope Lisbourne Group 47 Ag 4         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 0.1 ppm. Altschuller 1980 Patton & Matzko 1959
Marine Apatites 67 Ho 4.2         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Bone Valley Formation 27 Co 4.5         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 1 ppm. Altschuller 1980
Marine Phosphorites 34 Se 4.6 3.7   0 13 6 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Mishash Formation 34 Se 4.8         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 0.8 ppm. Altschuller 1980 Mazor 1963
Battle Creek Formation 82 Pb 40         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 1 ppm. Altschuller 1980 De Keyser & Cook 1972
Belkinsk Akai Sayan 82 Pb 40         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 1 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
La Caja Formation 29 Cu 40         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 0.3 ppm. Altschuller 1980 Rogers et al. 1956
Marine Shales 57 La 40           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Phosphoria Formation 33 As 40         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Altschuller 1980 Gulbrandsen 1966
Phosphoria Formation 48 Cd 40         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Chemically determined, U.S. Geological Survey Lab. Detection Limit = 10 ppm. Altschuller 1980 Gulbrandsen 1966
Slope Lisbourne Group 22 Ti 40         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 2 ppm. Altschuller 1980 Patton & Matzko 1959
Slope Lisbourne Group 70 Yb 40         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 1 ppm. Altschuller 1980 Patton & Matzko 1959
Belkinsk Akai Sayan 22 Ti 400         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 2 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Brown Rock 56 Ba 400         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 3 ppm. Altschuller 1980
Dover Sandstone 56 Ba 400         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 3 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Marine Shales 80 Hg 400           ppb Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Slope Lisbourne Group 24 Cr 400         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 1 ppm. Altschuller 1980 Patton & Matzko 1959
Bone Valley Formation 22 Ti 405         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Altschuller 1980
Marine Shales 60 Nd 41.4         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Bambui Group 25 Mn 4200         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Arithmetic Average. Detection Limit = 0.7 ppm. Altschuller 1980 Cathcart 1974
Battle Creek Formation 29 Cu 43         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 0.3 ppm. Altschuller 1980 De Keyser & Cook 1972
La Caja Formation 28 Ni 43         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 2 ppm. Altschuller 1980 Rogers et al. 1956
Dover Sandstone 28 Ni 45         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 2 ppm. Altschuller 1980 Cathcart & Schmidt 1974
La Caja Formation 24 Cr 45         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 1 ppm. Altschuller 1980 Rogers et al. 1956
Marine Shales 29 Cu 45           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Marine Shales 57 La 45         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Mishash Formation 57 La 45         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 30 ppm. Altschuller 1980 Mazor 1963
Marine Shales 22 Ti 4600           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Battle Creek Formation 24 Cr 48         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 1 ppm. Altschuller 1980 De Keyser & Cook 1972
Battle Creek Formation 25 Mn 480         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 0.7 ppm. Altschuller 1980 De Keyser & Cook 1972
Battle Creek Formation 27 Co 5         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 1 ppm. Altschuller 1980 De Keyser & Cook 1972
Brown Rock 27 Co 5         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Chemically determined, U.S. Geological Survey Lab. Detection Limit = 1 ppm. Altschuller 1980
Dover Sandstone 27 Co 5         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 1 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Karatau 42 Mo 5         10 ppm Dark, granular and oolitic phosphorites, cherty and dolomitic, in a sequence of black shales and dolomites of the Lesser Karatau geosyncline, Karatau, Kazakhstan U.S.S.R.  Averages of 5-10 specimens except for Cr, Mo and Li: P2O5 = 26-32%Detection Limit = 3 ppm. Altschuller 1980 Kholodov 1963
Marine Phosphorites 3 Li 5 4.3   3 10 6 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Mishash Formation 21 Sc 5         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 1 ppm. Altschuller 1980 Mazor 1963
Mishash Formation 70 Yb 5         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 1 ppm. Altschuller 1980 Mazor 1963
Monterey Formation 27 Co 5         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 1 ppm. Altschuller 1980
Monterey Formation 70 Yb 5         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 1 ppm. Altschuller 1980
Pungo River Formation 3 Li 5         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 30 ppm. Altschuller 1980
Pungo River Formation 50 Sn 5         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 3 ppm. Altschuller 1980
Tamalyk Krasnoyarsk 50 Sn 5         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 3 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Belkinsk Akai Sayan 33 As 5.7         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Altschuller 1980 Chaikina & Nikolskaya 1970
Marine Shales 66 Dy 5.8         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Bambui Group 24 Cr 50         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 1 ppm. Altschuller 1980 Cathcart 1974
Bambui Group 57 La 50         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 30 ppm. Altschuller 1980 Cathcart 1974
Belkinsk Akai Sayan 24 Cr 50         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 1 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
La Caja Formation 40 Zr 50         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 3 ppm. Altschuller 1980 Rogers et al. 1956
Marine Phosphorites 82 Pb 50 30   0 180 17 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Pungo River Formation 40 Zr 50         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 3 ppm. Altschuller 1980
Slope Lisbourne Group 82 Pb 50         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 1 ppm. Altschuller 1980 Patton & Matzko 1959
Slope Lisbourne Group 30 Zn 50         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 100 ppm. Altschuller 1980 Patton & Matzko 1959
Tamalyk Krasnoyarsk 56 Ba 500         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 3 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Tamalyk Krasnoyarsk 22 Ti 500         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 2 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Pungo River Formation 38 Sr 5000         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 2 ppm. Altschuller 1980
Marine Phosphorites 28 Ni 53 33   7 250 16 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Bone Valley Formation 82 Pb 55         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 1 ppm. Altschuller 1980
Karatau 24 Cr 55         10 ppm Dark, granular and oolitic phosphorites, cherty and dolomitic, in a sequence of black shales and dolomites of the Lesser Karatau geosyncline, Karatau, Kazakhstan U.S.S.R.  Averages of 5-10 specimens except for Cr, Mo and Li: P2O5 = 26-32%Detection Limit = 1 ppm. Altschuller 1980 Kholodov 1963
Marine Phosphorites 80 Hg 55 55   25 85 3 ppb Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Bone Valley Formation 56 Ba 56         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 3 ppm. Altschuller 1980
Brown Rock 38 Sr 570         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 2 ppm. Altschuller 1980
Marine Shales 56 Ba 580           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Bambui Group 70 Yb 6         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Arithmetic Average. Detection Limit = 1 ppm. Altschuller 1980 Cathcart 1974
Battle Creek Formation 3 Li 6         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 30 ppm. Altschuller 1980 De Keyser & Cook 1972
Bone Valley Formation 21 Sc 6         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 1 ppm. Altschuller 1980
Dover Sandstone 50 Sn 6         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 3 ppm. Altschuller 1980 Cathcart & Schmidt 1974
La Caja Formation 21 Sc 6         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 1 ppm. Altschuller 1980 Rogers et al. 1956
Marine Shales 64 Gd 6         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Marine Shales 50 Sn 6           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Tamalyk Krasnoyarsk 4 Be 6         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 0.7 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Marine Apatites 63 Eu 6.5         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Marine Apatites 90 Th 6.5         14 ppm Th contents of sedimentary marine apatite from four major localities. Th contents derived from fourteen different composites according to Neutron Activation and Chemical Analysis given in ppm. Altschuller 1980
Alborz Mountains 29 Cu 60         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 0.3 ppm. Altschuller 1980 Aval et al. 1968
Belkinsk Akai Sayan 23 V 60         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 1 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Bone Valley Formation 24 Cr 60         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 1 ppm. Altschuller 1980
Pungo River Formation 29 Cu 60         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 0.3 ppm. Altschuller 1980
Battle Creek Formation 56 Ba 604         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 3 ppm. Altschuller 1980 De Keyser & Cook 1972
Brown Rock 39 Y 63         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 2 ppm. Altschuller 1980
Marine Phosphorites 22 Ti 640 405   40 1670 15 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Alborz Mountains 40 Zr 65         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 3 ppm. Altschuller 1980 Aval et al. 1968
Dover Sandstone 23 V 65         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 1 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Monterey Formation 57 La 65         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 30 ppm. Altschuller 1980
Pungo River Formation 92 U 65         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 300 ppm. Altschuller 1980
Dover Sandstone 38 Sr 650         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 2 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Marine Shales 3 Li 66           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Marine Shales 28 Ni 68           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Battle Creek Formation 42 Mo 7         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 3 ppm. Altschuller 1980 De Keyser & Cook 1972
Kyzyl Kum 27 Co 7         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 1 ppm. Altschuller 1980 Kapustyanski 1964
Kyzyl Kum 24 Cr 7         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 1 ppm. Altschuller 1980 Kapustyanski 1964
Kyzyl Kum 28 Ni 7         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 2 ppm. Altschuller 1980 Kapustyanski 1964
Kyzyl Kum 82 Pb 7         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 1 ppm. Altschuller 1980 Kapustyanski 1964
Kyzyl Kum 23 V 7         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 1 ppm. Altschuller 1980 Kapustyanski 1964
La Caja Formation 42 Mo 7         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 3 ppm. Altschuller 1980 Rogers et al. 1956
La Caja Formation 70 Yb 7         8 ppm Gray, calcareous, pelletal phosphorites in a sequence of offshore cherty and silty limestones of the Mexican geosyncline, La Caja Formation in Concepcion del Oro of the Zacatecas province, Mexico. Detection Limit = 1 ppm. Altschuller 1980 Rogers et al. 1956
Marine Phosphorites 27 Co 7 5   0 35 15 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Oulad Abdoun Basin 47 Ag 7         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 0.1 ppm. Altschuller 1980
Pungo River Formation 42 Mo 7         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 3 ppm. Altschuller 1980
Pungo River Formation 21 Sc 7         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 1 ppm. Altschuller 1980
Marine Shales 62 Sm 7.2         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Tamalyk Krasnoyarsk 33 As 7.8         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Altschuller 1980 Chaikina & Nikolskaya 1970
Bambui Group 40 Zr 70         14 ppm Silty and clayey pelletal phosphorites located in the intra-cratonic basin Bambui group Minas Geraes in Brazil. Detection Limit = 3 ppm. Altschuller 1980 Cathcart 1974
Bone Valley Formation 23 V 70         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 1 ppm. Altschuller 1980
Kyzyl Kum 38 Sr 70         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 2 ppm. Altschuller 1980 Kapustyanski 1964
Kyzyl Kum 30 Zn 70         5 ppm Phosphatic sandstones and shales, near shore deltaic and littoral sediments of Kyzyl Kum, Uzbekistan, P2O5: >10%. Detection Limit = 100 ppm. Altschuller 1980 Kapustyanski 1964
Marine Phosphorites 40 Zr 70 50   17 210 13 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Mishash Formation 39 Y 70         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 2 ppm. Altschuller 1980 Mazor 1963
Monterey Formation 28 Ni 70         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 2 ppm. Altschuller 1980
Oulad Abdoun Basin 23 V 70         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 1 ppm. Altschuller 1980
Tamalyk Krasnoyarsk 23 V 70         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 1 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Oulad Abdoun Basin 39 Y 700         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 2 ppm. Altschuller 1980
Monterey Formation 56 Ba 720         5 ppm Dark pelletal shaly phosphorites, associated with radiolaran chert and organic-rich bentonic shales of the Monterey formation Tertiary geosyncline in California, U.S.A., P2O5: 15-20%. Detection Limit = 3 ppm. Altschuller 1980
Mishash Formation 28 Ni 73         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Detection Limit = 2 ppm. Altschuller 1980 Mazor 1963
Battle Creek Formation 38 Sr 745         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 2 ppm. Altschuller 1980 De Keyser & Cook 1972
Marine Phosphorites 29 Cu 75 36   2 350 17 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Pungo River Formation 56 Ba 75         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 3 ppm. Altschuller 1980
Dover Sandstone 25 Mn 750         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 0.7 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Marine Phosphorites 38 Sr 750 750   70 1900 18 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Pungo River Formation 22 Ti 750         2 ppm Pelletal phosphorites, quartzose and clayey, associated with limestones, sands, and silts of estuarine and near shore coastal plain platform (Pungo River formation, North Carolina, U.S.A.): average of two composites: concentrates from prospecting composites of entire mined zone in two areas; P2O5: 30-33%. Detection Limit = 2 ppm. Altschuller 1980
Slope Lisbourne Group 38 Sr 750         4 ppm Dark pelletal phosphorites, muddy and calcareous, associated with black chert, shale and limestone of the Slope Lisbourne group geosyncline, Alaska. P2O5 greater than 10%. Detection Limit = 2 ppm. Altschuller 1980 Patton & Matzko 1959
Battle Creek Formation 25 Mn 7540         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 0.7 ppm. Altschuller 1980 De Keyser & Cook 1972
Battle Creek Formation 30 Zn 764         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 100 ppm. Altschuller 1980 De Keyser & Cook 1972
Karatau 38 Sr 790         10 ppm Dark, granular and oolitic phosphorites, cherty and dolomitic, in a sequence of black shales and dolomites of the Lesser Karatau geosyncline, Karatau, Kazakhstan U.S.S.R.  Averages of 5-10 specimens except for Cr, Mo and Li: P2O5 = 26-32%Detection Limit = 2 ppm. Altschuller 1980 Kholodov 1963
Battle Creek Formation 57 La 8         17 ppm Cherty and calcareous pelletal phosphorites, located in the intra-cratonic basin Battle Cratonic Formation (Georgina Basin), P2O5: 8-37% (mostly 24-37%). Detection Limit = 30 ppm. Altschuller 1980 De Keyser & Cook 1972
Brown Rock 31 Ga 8         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 1 ppm. Altschuller 1980
Brown Rock 21 Sc 8         3 ppm Residually concentrated pelletal phosphorite from 'Brown Rock' Tennessee, U.S.A. Ordovician carbonate platform, decalcified during late Tertiary to Recent, P2O5 = 11, 27, 29%, samples include one production composite. Detection Limit = 1 ppm. Altschuller 1980
Oulad Abdoun Basin 25 Mn 8         4 ppm Clayey pelletal phosphorites, associated with limestones, cherts and clays of Oulad Abdoun Basin carbonate platform of Morocco; composite samples of mining production in four localities, representing 10,000 tons, P2O5: 33%. Detection Limit = 0.7 ppm. Altschuller 1980
Dover Sandstone 4 Be 8.5         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 0.7 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Belkinsk Akai Sayan 30 Zn 80         33 ppm Calcareous phosphorites from the Altai-Sayan geosyncline Belkinsk Altai Sayan, Siberia. Detection Limit = 100 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Dover Sandstone 33 As 80         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Altschuller 1980 Cathcart & Schmidt 1974
Marine Shales 25 Mn 850           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Battle Creek Formation 39 Y 87         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 2 ppm. Altschuller 1980 De Keyser & Cook 1972
Alborz Mountains 27 Co 9         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 1 ppm. Altschuller 1980 Aval et al. 1968
Battle Creek Formation 28 Ni 9         7 ppm Silty aphanitic phosphorites of the intra-cratonic Georgina Basin; Battle formation of Australia. Detection Limit = 2 ppm. Altschuller 1980 De Keyser & Cook 1972
Bone Valley Formation 28 Ni 9         8 ppm Pebbly and pelletal phosphorite from sandy and clayey phosphorites reworked from phosphatic limestones and dolomites of the Hawthorn carbonate platform (Bone Valley Formation, Florida, U.S.A.); average eight composites: four pebble and four pellet concentrates composited from one week's production at each of four mining localities in Land Pebble Field, representative of approximately 100,000 tons, P2O5: 30-35%. Detection Limit = 2 ppm. Altschuller 1980
Marine Phosphorites 42 Mo 9 6   0 38 18 ppm Average trace element abundances in Marine Phosphorite as based on 18 regional averages and various number of analyses averaged. All Comp low values of '0' are actually 'N.D.' values. Altschuller 1980
Alborz Mountains 38 Sr 90         3 ppm Phosphorite sandstones, quartzose and ferruginous, in sequence of phosphatic black shales, sandstones and limestones, platform setting, P2O5: 24-28% from the Alborz Mountains, Iran. Detection Limit = 2 ppm. Altschuller 1980 Aval et al. 1968
Dover Sandstone 82 Pb 90         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 1 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Marine Shales 24 Cr 90           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Mishash Formation 82 Pb 90         3 ppm Calcareous pelletal and bone phosphorite, associated with limestones and cherts of the Mishash Formation Hamakhtesh haQatan carbonate platform, Israel. P2O5: 22-33%. Uranium is average value of 14 samples of P2O5 in excess of 20%. Chemically Determined, U.S. Geological Survey Lab. Detection Limit = 1 ppm. Altschuller 1980 Mazor 1963
Phosphoria Formation 92 U 90         60 ppm Dark pelletal shaly phosphorites, average of the Retort (20) and Meade Peak (40) phosphatic shale members of the Phosphoria formation of the North Rocky Mountains, associated with black chert, shale and carbonates of the Permian geosyncline, P2O5 = 23-37%. Arithmetic Average. Detection Limit = 300 ppm. Altschuller 1980 Gulbrandsen 1966
Tamalyk Krasnoyarsk 24 Cr 90         38 ppm Siliceous and clayey phosphorites from the Altai-Sayan geosyncline Tamalyk Krasnoyarsk, Siberia. Detection Limit = 1 ppm. Altschuller 1980 Chaikina & Nikolskaya 1970
Dover Sandstone 22 Ti 900         4 ppm Phosphatic pebbles and cements from nearshore, quartzose sandstones and siltstones of the mid-Paleozoic platform: Neptune Range (Dover Sandstones in the Pensacola Mountains, Antarctica). P2O5 = greater than 26%. Detection Limit = 2 ppm. Altschuller 1980 Cathcart & Schmidt 1974
Marine Shales 58 Ce 91         36 ppm Average rare earth elemental contents of European paleozoic shales as taken from Hermann 1970. Contents based on analyeses from 36 shales sampled. Altschuller 1980 Hermann 1970
Marine Shales 30 Zn 95           ppm Concentrations of trace elements in shale as given by Turekian and Wedepohl 1961. Altschuller 1980 Turekian & Wedepohl 1961
Marine Apatites 60 Nd 98         13 ppm Average contents of Rare Earth Elements in sedimentary marine apatites as based from 13 sample analyses from a range of different localities. Data was obtained by Instrumental Neutron Activation Analysis or Quantitative spectroscopy following chemical separation. Altschuller 1980
Marine Apatites 58 Ce       14 160 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 66 Dy       2.5 40 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 68 Er       2 70 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 63 Eu       1 20 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 64 Gd       4 20 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 67 Ho       1 8 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 57 La       25 300 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 71 Lu       0.5 7 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 60 Nd       18 200 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 59 Pr       3 40 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 62 Sm       3 51 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 65 Tb       1 6 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 69 Tm       0.4 2 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Apatites 39 Y       40 610 9 ppm Range of contents of Yttrium in sedimentary marine apatites as based from 9 sample analyses from a range of different localities. Average value may be too high due to an unusually high value incorporated into the average from Cook 1972. Altschuller 1980
Marine Apatites 70 Yb       2 24 13 ppm Range of rare earth element contents in ppm for sedimentary marine apatites. Values based on analyses of 13 rock samples from different localites. Altschuller 1980
Marine Shales 21 Sc       0.3 5.8 6 ppm Range of contents of Scandium in sedimentary marine apatites as based from 6 sample analyses from a range of different localities. All values in ppm. Altschuller 1980
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