GERM Reservoir Database
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GERM Database Search Results        
Reservoir Z Element Value Median SD Low High N Unit Info Reference Source(s)
Trachyandesites 13 Al 16.7         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31. Le Maitre 1976
Trachyandesites 6 C 0.08         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31. Le Maitre 1976
Trachyandesites 20 Ca 4.96         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31. Le Maitre 1976
Trachyandesites 26 Fe 6.143         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31.Total Fe calculated from Fe2O3 value of 3.26 and FeO value of 3.21. Le Maitre 1976
Trachyandesites 1 H 1.83         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31.Combination of H2O+ and H2O- values. Le Maitre 1976
Trachyandesites 19 K 3.21         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31. Le Maitre 1976
Trachyandesites 12 Mg 2.57         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31. Le Maitre 1976
Trachyandesites 25 Mn 0.16         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31. Le Maitre 1976
Trachyandesites 11 Na 4.35         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31. Le Maitre 1976
Trachyandesites 15 P 0.41         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31. Le Maitre 1976
Trachyandesites 14 Si 58.15         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31. Le Maitre 1976
Trachyandesites 22 Ti 1.08         223 wt%ox Average major oxide concentration values for Trachyandesite consolidated from 51 references and 223 analyses. Differentiation index equal to 63.59, Crystallization index equal to 23.31. Le Maitre 1976
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