NGDB rock sample M185566

Element Measured value Units of measure Analytical method
LOI 7.2 percent by weight (unknown method)
H2O+ 3.49 percent bound water (unknown method)
H2O- 0.12 percent moisture (unknown method)
CO2 3.75 percent by weight Titration
Na2O 2.5 percent by weight XRF
MgO 5.7 percent by weight XRF
Al2O3 13.1 percent by weight XRF
SiO2 48.1 percent by weight XRF
P2O5 0.32 percent by weight XRF
K2O 1.9 percent by weight XRF
CaO 8.76 percent by weight XRF
TiO2 0.68 percent by weight XRF
Chromium 235 ppm by weight XRF
MnO 0.22 percent by weight XRF
FeO 7.62 percent by weight Titration
FeTO3 11 percent Fe2O3 by weight XRF
Nickel 74 ppm by weight XRF
Copper 54 ppm by weight XRF
Zinc 156 ppm by weight XRF
Rubidium 48 ppm by weight XRF
Strontium 320 ppm by weight XRF
Yttrium 30 ppm by weight XRF
Zirconium 88 ppm by weight XRF
Niobium 10 ppm by weight XRF
Barium 295 ppm by weight XRF
Lanthanum 40 ppm by weight XRF
Cerium 48 ppm by weight XRF