NGDB rock sample M138922

Element Measured value Units of measure Analytical method
Na2O 3.46 percent by weight XRF
MgO 3.4 percent by weight XRF
Al2O3 14.4 percent by weight XRF
SiO2 50.5 percent by weight XRF
P2O5 0.74 percent by weight XRF
K2O 1.39 percent by weight XRF
CaO 7.87 percent by weight XRF
TiO2 2.58 percent by weight XRF
MnO 0.191 percent by weight XRF
FeO 8.5 percent by weight Titration
FeTO3 13.7 percent Fe2O3 by weight XRF