NGDB rock sample D223734

Element Measured value Units of measure Analytical method
Na2O L0.2 percent by weight XRF
MgO 36.9 percent by weight XRF
Al2O3 1.2 percent by weight XRF
SiO2 38.9 percent by weight XRF
P2O5 L0.1 percent by weight XRF
K2O L0.02 percent by weight XRF
CaO 0.59 percent by weight XRF
TiO2 L0.02 percent by weight XRF
MnO 0.14 percent by weight XRF
FeTO3 9.83 percent Fe2O3 by weight XRF