NGDB rock sample D521275

Element Measured value Units of measure Analytical method
LOI 0.34 percent by weight (unknown method)
Fluorine 0.04 percent by weight ISE
Na2O 4.11 percent by weight XRF
MgO 0.18 percent by weight XRF
Al2O3 13.9 percent by weight XRF
SiO2 72.4 percent by weight XRF
P2O5 L0.05 percent by weight XRF
Chlorine L0.01 percent by weight ISE
K2O 5.47 percent by weight XRF
CaO 0.59 percent by weight XRF
TiO2 0.13 percent by weight XRF
Chromium L20 ppm by weight XRF
MnO 0.04 percent by weight XRF
FeTO3 2.16 percent Fe2O3 by weight XRF
Nickel L10 ppm by weight XRF
Copper L10 ppm by weight XRF
Zinc 34 ppm by weight XRF
Rubidium 255 ppm by weight XRF
Strontium 92 ppm by weight XRF
Yttrium 47 ppm by weight XRF
Zirconium 194 ppm by weight XRF
Niobium 17 ppm by weight XRF
Barium 930 ppm by weight XRF
Lanthanum 56 ppm by weight XRF
47 ppm by weight ICP-MS
Cerium 98 ppm by weight XRF
94 ppm by weight ICP-MS
Praseodymium 11 ppm by weight ICP-MS
Neodymium 41 ppm by weight ICP-MS
Samarium 8.1 ppm by weight ICP-MS
Europium 1.1 ppm by weight ICP-MS
Gadolinium 7 ppm by weight ICP-MS
Terbium 1.1 ppm by weight ICP-MS
Dysprosium 6.9 ppm by weight ICP-MS
Holmium 1.5 ppm by weight ICP-MS
Erbium 4.4 ppm by weight ICP-MS
Thulium 0.69 ppm by weight ICP-MS
Ytterbium 4.8 ppm by weight ICP-MS