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Table 1 Compositions of inferred basaltic and rhyolitic end-member magma and restite

From: Evolution of the Earth as an andesite planet: water, plate tectonics, and delamination of anti-continent

  This study Tatsumi et al. (2008)
Basalt Rhyolite Andesite 1 Andesite 2 Andesite 3 Restite Restite + 10 % olivine Harzburgite Basalt Rhyolite Restite Mixed
(1:1 mixture) (3:2 mixture) (7:3 mixture)
SiO2 49.40 75.00 62.20 59.64 57.08 47.76 47.00 45.40 50.00 75.00 47.22 60.00
TiO2 0.70 0.40 0.55 0.58 0.61 0.72 0.65   0.80 0.30 0.86 0.60
Al2O3 18.34 13.52 15.93 16.41 16.89 18.64 16.78   19.10 14.00 19.67 17.06
FeOa 11.02 2.23 6.63 7.51 8.39 11.58 11.76 5.70 10.20 2.00 11.11 6.92
MgO 6.41 0.68 3.55 4.12 4.69 6.78 10.75 48.90 6.00 0.20 6.64 3.68
CaO 12.42 5.12 8.77 9.50 10.23 12.89 11.60   12.10 3.00 13.11 8.46
Na2O 1.60 1.78 1.69 1.68 1.66 1.59 1.43   1.60 4.50 1.28 2.76
K2O 0.10 1.26 0.68 0.56 0.45 0.03 0.02   0.20 1.00 0.11 0.52
Total 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00
H2O 0.50   0.50 0.50 0.50     0.20    0.50
  1. aFeO, total Fe as FeO
  2. Mixing ratio represents basalt/rhyolite