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)
Solid Earth 1 H 0.03           wt% Major element composition model for Bulk Earth assuming Silicon is the light element in the Core. All values given are in wt.%. McDonough 2004
Solid Earth 1 H 0.03           wt% Major element composition model for Bulk Earth assuming Oxygen is the light element in the Core. All values given in wt%. McDonough 2004
Solid Earth 1 H 260           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 1 H 0.03           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 1 H 260           ppm Composition of the Silicate Earth as given by elemental abundances in ppm (and wt%). McDonough 2004
Solid Earth 11 Na 0.18           wt% Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 11 Na 0.18           wt% Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 11 Na       1800 1800   ppm Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 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 11 Na 0.18           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 12 Mg 15.4           wt% Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 12 Mg 15.4           wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. Mg is not considered a light element and thus does not reside in the Earth's core. McDonough & Sun 1995
Solid Earth 12 Mg 15.4           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 12 Mg 15.4           wt% Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
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 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 13 Al 1.59           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 13 Al 1.59           wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. Al is not considered a light element and thus does not reside in the Earth's core. McDonough & Sun 1995
Solid Earth 13 Al 1.59           wt% Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 13 Al 1.59           wt% Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 14 Si 16.1           wt% Major element composition model for Bulk Earth assuming Silicon is the light element in the Core. All values given are in wt.%. McDonough 2004
Solid Earth 14 Si 14.2           wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. This estimate assumes no Si in the Earth's core. McDonough & Sun 1995
Solid Earth 14 Si 16.1           wt% Major element composition of the Bulk Earth. McDonough 2004
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 14 Si 15.8           wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. This estimate assumes 5% Si in the Earth's core (O'Neill, 1991). McDonough & Sun 1995
Solid Earth 14 Si 14.2           wt% Major element composition model for Bulk Earth assuming Oxygen is the light element in the Core. All values given in wt%. McDonough 2004
Solid Earth 14 Si 16.1           wt% Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 14 Si 16.3           wt% Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 15 P 0.07           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 15 P       0.17 0.17   wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth 15 P 0.07           wt% Major element composition model for Bulk Earth assuming Oxygen is the light element in the Core. All values given in wt%. McDonough 2004
Solid Earth 15 P 715           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 15 P 1100           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 15 P 0.07           wt% Major element composition model for Bulk Earth assuming Silicon is the light element in the Core. All values given are in wt.%. McDonough 2004
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 0.64           wt% Major element composition model for Bulk Earth assuming Silicon is the light element in the Core. All values given are in wt.%. McDonough 2004
Solid Earth 16 S 0.64           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 16 S 6350           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 16 S 0.64           wt% Major element composition model for Bulk Earth assuming Oxygen is the light element in the Core. All values given in wt%. McDonough 2004
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 16 S 6345           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 17 Cl 76           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 17 Cl 76           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 19 K 160           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
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 19 K 160           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 20 Ca 1.71           wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. Ca is not considered a light element and thus does not reside in the Earth's core. McDonough & Sun 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 20 Ca 1.71           wt% Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 20 Ca 1.71           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 20 Ca 1.71           wt% Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 21 Sc 10.9           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 21 Sc 10.9           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 22 Ti 810           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 22 Ti 810           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
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
Solid Earth 23 V 95           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 23 V       95 95   ppm Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth 23 V 105           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 24 Cr       0.44 0.49   wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 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 24 Cr 0.47           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 24 Cr 4700           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 24 Cr 0.47           wt% Major element composition model for Bulk Earth assuming Oxygen is the light element in the Core. All values given in wt%. McDonough 2004
Solid Earth 24 Cr 4700           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 24 Cr 0.47           wt% Major element composition model for Bulk Earth assuming Silicon is the light element in the Core. All values given are in wt.%. McDonough 2004
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 25 Mn 720           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 25 Mn 800           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 25 Mn 0.08           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 25 Mn       0.22 0.24   wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 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 26 Fe 31.9           wt% Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 26 Fe       29.6 32.7   wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth 26 Fe 32.9           wt% Major element composition model for Bulk Earth assuming Oxygen is the light element in the Core. All values given in wt%. McDonough 2004
Solid Earth 26 Fe 32           wt% Major element composition model for Bulk Earth assuming Silicon is the light element in the Core. All values given are in wt.%. McDonough 2004
Solid Earth 26 Fe 32           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 26 Fe 32           wt% Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 27 Co       0.085 0.0915   wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth 27 Co 880           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
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 27 Co 880           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 28 Ni 188220           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 28 Ni 1.82           wt% Major element composition model for Bulk Earth assuming Silicon is the light element in the Core. All values given are in wt.%. McDonough 2004
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 28 Ni       1.72 1.89   wt% Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth 28 Ni 1.87           wt% Major element composition model for Bulk Earth assuming Oxygen is the light element in the Core. All values given in wt%. McDonough 2004
Solid Earth 28 Ni 18200           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 28 Ni 1.82           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 29 Cu 60           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 29 Cu 60           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 3 Li 1.1           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 3 Li 1.1           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 30 Zn 40           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 30 Zn 40           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 31 Ga 3           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 31 Ga 3           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 32 Ge 7           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 32 Ge 7           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 33 As 1.7           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 33 As 1.7           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 34 Se 2.7           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 34 Se 2.7           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 35 Br 0.3           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 35 Br 0.3           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 37 Rb 0.4           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 37 Rb 0.4           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 38 Sr 13           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 38 Sr 13           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 39 Y 2.9           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 39 Y 2.9           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 4 Be 0.05           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 4 Be 0.05           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 40 Zr 7.1           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 40 Zr 7.1           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 41 Nb 0.44           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 41 Nb 0.44           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 42 Mo 1.7           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 42 Mo 1.7           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 44 Ru 1.3           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 44 Ru 1.3           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 45 Rh 0.24           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 45 Rh 0.24           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 46 Pd 1           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 46 Pd 1           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 47 Ag 0.05           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 47 Ag 0.05           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 48 Cd 0.08           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 48 Cd 0.08           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 49 In 0.007           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 49 In 0.007           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 5 B 0.2           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 5 B 0.2           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 50 Sn 0.25           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 50 Sn 0.25           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 51 Sb 0.05           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 51 Sb 0.05           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 52 Te 0.3           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 52 Te 0.3           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 53 I 0.05           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 53 I 0.05           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 55 Cs 0.035           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 55 Cs 0.035           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 56 Ba 4.5           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 56 Ba 4.5           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 57 La 0.44           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 57 La 0.44           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 58 Ce 1.13           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 58 Ce 1.13           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 59 Pr 0.17           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 59 Pr 0.17           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 6 C 730           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 6 C 730           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 6 C 0.07           wt% Major element composition model for Bulk Earth assuming Oxygen is the light element in the Core. All values given in wt%. McDonough 2004
Solid Earth 6 C 0.07           wt% Major element composition model for Bulk Earth assuming Silicon is the light element in the Core. All values given are in wt.%. McDonough 2004
Solid Earth 6 C 0.07           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 60 Nd 0.84           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 60 Nd 0.84           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 62 Sm 0.27           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 62 Sm 0.27           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 63 Eu 0.1           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 63 Eu 0.1           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 64 Gd 0.37           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 64 Gd 0.37           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 65 Tb 0.067           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 65 Tb 0.067           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 66 Dy 0.46           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 66 Dy 0.46           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 67 Ho 0.1           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 67 Ho 0.1           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 68 Er 0.3           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 68 Er 0.3           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 69 Tm 0.046           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 69 Tm 0.046           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 7 N 25           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 7 N 55           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 70 Yb 0.3           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 70 Yb 0.3           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 71 Lu 0.046           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 71 Lu 0.046           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 72 Hf 0.19           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 72 Hf 0.19           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 73 Ta 0.025           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 73 Ta 0.025           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 74 W 0.17           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 74 W 0.17           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 75 Re 0.075           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 75 Re 0.075           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 76 Os 0.9           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 76 Os 0.9           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 77 Ir 0.9           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 77 Ir 0.9           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 78 Pt 1.9           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 78 Pt 1.9           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 79 Au 0.16           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 79 Au 0.16           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 8 O 29.7           wt% Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
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 8 O 30.7           wt% Major element composition model for Bulk Earth assuming Oxygen is the light element in the Core. All values given in wt%. McDonough 2004
Solid Earth 8 O 29.7           wt% Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 8 O 29.7           wt% Major element composition model for Bulk Earth assuming Silicon is the light element in the Core. All values given are in wt.%. McDonough 2004
Solid Earth 8 O 29.7           wt% Major element composition of the Bulk Earth. McDonough 2004
Solid Earth 80 Hg 0.02           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 80 Hg 0.02           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 81 Tl 0.012           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 81 Tl 0.012           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 82 Pb 0.23           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 82 Pb 0.23           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 83 Bi 0.01           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 83 Bi 0.01           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 9 F 10           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 9 F 10           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 90 Th 0.055           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 90 Th 0.055           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth 92 U 0.015           ppm Bulk elemental composition of the Solid Earth with concentrations given in ppm (and wt% where noted). McDonough 2004
Solid Earth 92 U 0.015           µg/g Compostioinal models for the bulk Earth, core and silicate Earth are modified after McDonough & Sun (1995). McDonough 1998
Solid Earth   147Sm/144Nd 0.233             Parent/daughter ratios of Depleted MORB mantle (DMM) from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 Allegre et al. 1983
Solid Earth   147Sm/144Nd 0.197             Parent/daughter ratios of Bulk Earth from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 Allegre et al. 1983
Solid Earth   187Re/188Os         4     Parent/daughter ratios of Depleted MORB mantle (DMM) from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 Allegre et al. 1988
Solid Earth   187Re/188Os 0.4             Parent/daughter ratios of Bulk Earth from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 Shirey & Walker 1998
Solid Earth   20Ne/22Ne 8.2             Helium, Neodymium and Argon Isotopic compositions in the Solar System as first given by McDougall and Honda 1998. Hilton & Porcelli 2004 McDougall & Honda 1998
Solid Earth   21Ne/22Ne 0.024             Helium, Neodymium and Argon Isotopic compositions in the Solar System as first given by McDougall and Honda 1998. Hilton & Porcelli 2004 McDougall & Honda 1998
Solid Earth   232Th/238U 4.2             Parent/daughter ratios of Bulk Earth from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 Allegre et al. 1988
Solid Earth   232Th/238U 2.25             Parent/daughter ratios of Depleted MORB mantle (DMM) from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 White 1993
Solid Earth   232Th/238U 2.4             Parent/daughter ratios of Depleted MORB mantle (DMM) from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 Allegre et al. 1988
Solid Earth   238U/204Pb 4.5             Parent/daughter ratios of Depleted MORB mantle (DMM) from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 Allegre et al. 1988
Solid Earth   238U/204Pb         4.5     Parent/daughter ratios of Depleted MORB mantle (DMM) from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 White 1993
Solid Earth   238U/204Pb 7.8             Parent/daughter ratios of Bulk Earth from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 Allegre et al. 1988
Solid Earth   38Ar/36Ar 0.188             Helium, Neodymium and Argon Isotopic compositions in the Solar System as first given by McDougall and Honda 1998. Hilton & Porcelli 2004 McDougall & Honda 1998
Solid Earth   3He/4He 143             Helium, Neodymium and Argon Isotopic compositions in the Solar System as first given by McDougall and Honda 1998. Hilton & Porcelli 2004 McDougall & Honda 1998
Solid Earth   40Ar/36Ar 0.0003             Helium, Neodymium and Argon Isotopic compositions in the Solar System as first given by McDougall and Honda 1998. Hilton & Porcelli 2004 McDougall & Honda 1998
Solid Earth   87Rb/86Sr 0.024             Parent/daughter ratios of Depleted MORB mantle (DMM) from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 Allegre et al. 1983
Solid Earth   87Rb/86Sr 0.0892             Parent/daughter ratios of Bulk Earth from a number of different sources. Ratio values used as models for comparison to ratio values from Oceanic Gabbroic composites. Hart et al. 1999 Allegre et al. 1983
Solid Earth   Cr/Mn       2 2     Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth   Cr/V       46 52     Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth   Fe/Al       18.6 20.6     Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth   Fe/Cr       68 67     Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth   Fe/Ni       17.1 17.3     Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth   Mg/Al       9.7 9.7     Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth   Mg/Si 0.97             Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. This estimate assumes 5% Si in the Earth's core (O'Neill, 1991) whereas Mg does not reside in the Earth's core. McDonough & Sun 1995
Solid Earth   Ni/Co       20.7 20.6     Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
Solid Earth   Ni/P       10 11     Limits on the composition of the core assuming that between 5% and 15% of the light elements reside in the Earth's core. Model based on the silicate Earth estimates from Table 5. McDonough & Sun 1995
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