NGDB rock sample M167756

Element Measured value Units of measure Analytical method
Na2O 4.13 percent by weight XRF
MgO 2.8 percent by weight XRF
Al2O3 17.6 percent by weight XRF
SiO2 55.3 percent by weight XRF
P2O5 0.43 percent by weight XRF
K2O 2.66 percent by weight XRF
CaO 6.64 percent by weight XRF
TiO2 0.66 percent by weight XRF
Chromium L4 ppm by weight ICP-AES
MnO 0.2 percent by weight XRF
FeO 2.96 percent by weight Titration
FeTO3 7.58 percent Fe2O3 by weight XRF
Rubidium 43 ppm by weight XRF
Strontium 800 ppm by weight XRF
855 ppm by weight ICP-AES
Yttrium 26 ppm by weight XRF
21.8 ppm by weight ICP-AES
Zirconium 70 ppm by weight XRF
40 ppm by weight ICP-AES
Niobium L10 ppm by weight XRF
Barium 350 ppm by weight ICP-AES
Lanthanum 14.1 ppm by weight ICP-AES
Cerium 30.1 ppm by weight ICP-AES
Praseodymium 4 ppm by weight ICP-AES
Neodymium 18.3 ppm by weight ICP-AES
Samarium 4.6 ppm by weight ICP-AES
Europium 1.32 ppm by weight ICP-AES
Gadolinium 4.9 ppm by weight ICP-AES
Terbium 0.8 ppm by weight ICP-AES
Dysprosium 4.3 ppm by weight ICP-AES
Holmium 0.83 ppm by weight ICP-AES
Erbium 2.4 ppm by weight ICP-AES
Thulium 0.36 ppm by weight ICP-AES
Ytterbium 2.3 ppm by weight ICP-AES
Lutetium 0.33 ppm by weight ICP-AES