Table 1.

Chemical analyses of starting material

MORB (%)Olivine+10% MORB%
SiO249.9341.47
TiO21.470.14
Al2O315.551.43
Cr2O30.02
FeO9.177.69
MnO0.010.12
NiO0.28
MgO9.0247.48
CaO11.421.07
Na2O3.050.28
K2O0.200.02
P2O50.140.02
Cr2O30.02