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)
Core 27 Co 2530           ppm Renormalized elemental compositions of the Earth's Core given in ppm. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Core 24 Cr 7790           ppm Renormalized elemental compositions of the Earth's Core given in ppm. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Core 26 Fe 79.39   2       wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Core 25 Mn 5820           ppm Renormalized elemental compositions of the Earth's Core given in ppm. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Core 28 Ni 4.87   0.3       wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Core 8 O 4.1   0.5       wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Core 15 P 3690           ppm Renormalized elemental compositions of the Earth's Core given in ppm. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Core 16 S 2.3   0.2       wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Core 14 Si 7.35           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Primitive Mantle 13 Al 4.09           wt%ox Major oxides of the primitive mantle that are estimated to comprise the bulk of the Earth's mantle (measured in wt.%). Allegre et al. 1995
Primitive Mantle 20 Ca 3.232           wt%ox Major oxides of the primitive mantle that are estimated to comprise the bulk of the Earth's mantle (measured in wt.%). Allegre et al. 1995
Primitive Mantle   Ca/Al 1.07   0.001         Primitive mantle ratios (in wt. %) of lithophile elements used to attempt to estimate the composition of the Earth. Values are obtained by using the same approach as were utilized by a number of previous references. However, in this study the difference is that siderophile elements (or all elements suspected of entering the Earth's core) are omitted, therein retaining only the major lithophile elements. The idea behind the omission of the siderophile elements in this study is that the ratios of the elements which do not enter the core (lithophile) are the same in the bluk Earth as in the mantle. Allegre et al. 1995
Primitive Mantle 24 Cr 0.38           wt%ox Minor oxides of the primitive mantle (in wt.%) that comprise the remnant portions of the Earth's mantle. In this particular study the sum of the minor oxides is taken and normalized to 100% in an effort to obtain the absolute values of each element, which are then used for comparison to prior studies conducted of the Earth's mantle. Allegre et al. 1995
Primitive Mantle 26 Fe 7.485           wt%ox Major oxides of the primitive mantle that are estimated to comprise the bulk of the Earth's mantle (measured in wt.%). Allegre et al. 1995
Primitive Mantle   Fe/Al 2.683   0.01         Primitive mantle ratios (in wt. %) of lithophile elements used to attempt to estimate the composition of the Earth. Values are obtained by using the same approach as were utilized by a number of previous references. However, in this study the difference is that siderophile elements (or all elements suspected of entering the Earth's core) are omitted, therein retaining only the major lithophile elements. The idea behind the omission of the siderophile elements in this study is that the ratios of the elements which do not enter the core (lithophile) are the same in the bluk Earth as in the mantle. Allegre et al. 1995
Primitive Mantle   Fe/Mg 0.255   0.005         Primitive mantle ratios (in wt. %) of lithophile elements used to attempt to estimate the composition of the Earth. Values are obtained by using the same approach as were utilized by a number of previous references. However, in this study the difference is that siderophile elements (or all elements suspected of entering the Earth's core) are omitted, therein retaining only the major lithophile elements. The idea behind the omission of the siderophile elements in this study is that the ratios of the elements which do not enter the core (lithophile) are the same in the bluk Earth as in the mantle. Allegre et al. 1995
Primitive Mantle 19 K 0.0337           wt%ox Minor oxides of the primitive mantle (in wt.%) that comprise the remnant portions of the Earth's mantle. In this particular study the sum of the minor oxides is taken and normalized to 100% in an effort to obtain the absolute values of each element, which are then used for comparison to prior studies conducted of the Earth's mantle. Allegre et al. 1995
Primitive Mantle 12 Mg 37.77           wt%ox Major oxides of the primitive mantle that are estimated to comprise the bulk of the Earth's mantle (measured in wt.%). Allegre et al. 1995
Primitive Mantle   Mg/Al 10.52   0.1         Primitive mantle ratios (in wt. %) of lithophile elements used to attempt to estimate the composition of the Earth. Values are obtained by using the same approach as were utilized by a number of previous references. However, in this study the difference is that siderophile elements (or all elements suspected of entering the Earth's core) are omitted, therein retaining only the major lithophile elements. The idea behind the omission of the siderophile elements in this study is that the ratios of the elements which do not enter the core (lithophile) are the same in the bluk Earth as in the mantle. Allegre et al. 1995
Primitive Mantle 25 Mn 0.149           wt%ox Minor oxides of the primitive mantle (in wt.%) that comprise the remnant portions of the Earth's mantle. In this particular study the sum of the minor oxides is taken and normalized to 100% in an effort to obtain the absolute values of each element, which are then used for comparison to prior studies conducted of the Earth's mantle. Allegre et al. 1995
Primitive Mantle 11 Na 0.36           wt%ox Minor oxides of the primitive mantle (in wt.%) that comprise the remnant portions of the Earth's mantle. In this particular study the sum of the minor oxides is taken and normalized to 100% in an effort to obtain the absolute values of each element, which are then used for comparison to prior studies conducted of the Earth's mantle. Allegre et al. 1995
Primitive Mantle 28 Ni 0.25           wt%ox Minor oxides of the primitive mantle (in wt.%) that comprise the remnant portions of the Earth's mantle. In this particular study the sum of the minor oxides is taken and normalized to 100% in an effort to obtain the absolute values of each element, which are then used for comparison to prior studies conducted of the Earth's mantle. Allegre et al. 1995
Primitive Mantle 8 O 44.79           wt% Elements of the primitive mantle (PRIMA) measured in weight percent. Allegre et al. 1995
Primitive Mantle 14 Si 46.117           wt%ox Major oxides of the primitive mantle that are estimated to comprise the bulk of the Earth's mantle (measured in wt.%). Allegre et al. 1995
Primitive Mantle   Si/Al 9.947   0.05         Primitive mantle ratios (in wt. %) of lithophile elements used to attempt to estimate the composition of the Earth. Values are obtained by using the same approach as were utilized by a number of previous references. However, in this study the difference is that siderophile elements (or all elements suspected of entering the Earth's core) are omitted, therein retaining only the major lithophile elements. The idea behind the omission of the siderophile elements in this study is that the ratios of the elements which do not enter the core (lithophile) are the same in the bluk Earth as in the mantle. Allegre et al. 1995
Primitive Mantle   Si/Mg 0.945   0.002         Primitive mantle ratios (in wt. %) of lithophile elements used to attempt to estimate the composition of the Earth. Values are obtained by using the same approach as were utilized by a number of previous references. However, in this study the difference is that siderophile elements (or all elements suspected of entering the Earth's core) are omitted, therein retaining only the major lithophile elements. The idea behind the omission of the siderophile elements in this study is that the ratios of the elements which do not enter the core (lithophile) are the same in the bluk Earth as in the mantle. Allegre et al. 1995
Primitive Mantle 22 Ti 0.18           wt%ox Minor oxides of the primitive mantle (in wt.%) that comprise the remnant portions of the Earth's mantle. In this particular study the sum of the minor oxides is taken and normalized to 100% in an effort to obtain the absolute values of each element, which are then used for comparison to prior studies conducted of the Earth's mantle. Allegre et al. 1995
Pyrolites 13 Al 3.3           wt%ox Major oxide values for Pyrolites studied by Ringwood, given in wt.%. These oxide values are used as a model for Primitive mantle oxide values obtained in this study, the idea being that Ringwood's pyrolite oxide values should resemble PRIMA oxide values given. Allegre et al. 1995 Ringwood 1979
Pyrolites 20 Ca 3.1           wt%ox Major oxide values for Pyrolites studied by Ringwood, given in wt.%. These oxide values are used as a model for Primitive mantle oxide values obtained in this study, the idea being that Ringwood's pyrolite oxide values should resemble PRIMA oxide values given. Allegre et al. 1995 Ringwood 1979
Pyrolites 26 Fe 8           wt%ox Major oxide values for Pyrolites studied by Ringwood, given in wt.%. These oxide values are used as a model for Primitive mantle oxide values obtained in this study, the idea being that Ringwood's pyrolite oxide values should resemble PRIMA oxide values given. Allegre et al. 1995 Ringwood 1979
Pyrolites 12 Mg 38.1           wt%ox Major oxide values for Pyrolites studied by Ringwood, given in wt.%. These oxide values are used as a model for Primitive mantle oxide values obtained in this study, the idea being that Ringwood's pyrolite oxide values should resemble PRIMA oxide values given. Allegre et al. 1995 Ringwood 1979
Pyrolites 14 Si 45.1           wt%ox Major oxide values for Pyrolites studied by Ringwood, given in wt.%. These oxide values are used as a model for Primitive mantle oxide values obtained in this study, the idea being that Ringwood's pyrolite oxide values should resemble PRIMA oxide values given. Allegre et al. 1995 Ringwood 1979
Solid Earth 13 Al 1.507           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 20 Ca 1.607           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 27 Co 870           ppm Renormalized elemental compositions of the Earth's Core given in ppm. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 24 Cr 4290           ppm Renormalized elemental compositions of the Earth's Core given in ppm. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 26 Fe 28.176           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 19 K 0.0192           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 12 Mg 15.866           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 25 Mn 2600           ppm Renormalized elemental compositions of the Earth's Core given in ppm. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 11 Na 0.249           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 28 Ni 1.6147           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 8 O 32.436           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 15 P 1240           ppm Renormalized elemental compositions of the Earth's Core given in ppm. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 16 S 0.701           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 14 Si 17.221           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
Solid Earth 22 Ti 0.071           wt% Renormalized elemental compositions of the Earth's Core given in wt.%. These compositions were obtained by using elemental ratio diagrams to extract values for each particular element then using those values in a series of equations derived by the authors. Allegre et al. 1995
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