NGDB rock sample M162867

Element Measured value Units of measure Analytical method
Na2O 3.01 percent by weight XRF
MgO 0.26 percent by weight XRF
Al2O3 13.4 percent by weight XRF
SiO2 73.4 percent by weight XRF
P2O5 L0.05 percent by weight XRF
K2O 4.42 percent by weight XRF
CaO 1.5 percent by weight XRF
TiO2 0.06 percent by weight XRF
MnO 0.06 percent by weight XRF
FeO 0.18 percent by weight Titration
FeTO3 0.94 percent Fe2O3 by weight XRF
Rubidium 116 ppm by weight XRF
Strontium 141 ppm by weight XRF
Yttrium 13 ppm by weight XRF
Zirconium 53 ppm by weight XRF
Niobium 14 ppm by weight XRF