NGDB rock sample M167755

Element Measured value Units of measure Analytical method
Na2O 5.27 percent by weight XRF
MgO 1.29 percent by weight XRF
Al2O3 13.3 percent by weight XRF
SiO2 70.9 percent by weight XRF
P2O5 0.1 percent by weight XRF
K2O 0.5 percent by weight XRF
CaO 2.27 percent by weight XRF
TiO2 0.43 percent by weight XRF
Chromium 10 ppm by weight ICP-AES
MnO 0.04 percent by weight XRF
FeO 1.63 percent by weight Titration
FeTO3 3.43 percent Fe2O3 by weight XRF
Rubidium L10 ppm by weight XRF
Strontium 150 ppm by weight XRF
150 ppm by weight ICP-AES
Yttrium 39 ppm by weight XRF
15.1 ppm by weight ICP-AES
Zirconium 300 ppm by weight XRF
137 ppm by weight ICP-AES
Niobium L10 ppm by weight XRF
Barium 94 ppm by weight ICP-AES
Lanthanum 21.4 ppm by weight ICP-AES
Cerium 46.4 ppm by weight ICP-AES
Praseodymium 5.5 ppm by weight ICP-AES
Neodymium 23 ppm by weight ICP-AES
Samarium 5.2 ppm by weight ICP-AES
Europium 1.25 ppm by weight ICP-AES
Gadolinium 5.2 ppm by weight ICP-AES
Terbium 0.7 ppm by weight ICP-AES
Dysprosium 4 ppm by weight ICP-AES
Holmium 0.74 ppm by weight ICP-AES
Erbium 2 ppm by weight ICP-AES
Thulium 0.27 ppm by weight ICP-AES
Ytterbium 1.7 ppm by weight ICP-AES
Lutetium 0.26 ppm by weight ICP-AES