NGDB rock sample M168022

Element Measured value Units of measure Analytical method
Na2O 3.3 percent by weight XRF
MgO 0.33 percent by weight XRF
Al2O3 14.2 percent by weight XRF
SiO2 72.7 percent by weight XRF
P2O5 0.06 percent by weight XRF
K2O 4.75 percent by weight XRF
CaO 1.53 percent by weight XRF
TiO2 0.22 percent by weight XRF
Chromium L20 ppm by weight XRF
L4 ppm by weight ICP-AES
MnO L0.02 percent by weight XRF
FeO 0.91 percent by weight Titration
FeTO3 1.34 percent Fe2O3 by weight XRF
Nickel L20 ppm by weight XRF
Copper L20 ppm by weight XRF
Zinc 54 ppm by weight XRF
Rubidium 140 ppm by weight XRF
Strontium 260 ppm by weight XRF
265 ppm by weight ICP-AES
Yttrium 14 ppm by weight XRF
7.3 ppm by weight ICP-AES
Zirconium 188 ppm by weight XRF
83 ppm by weight ICP-AES
Niobium 12 ppm by weight XRF
Barium 1950 ppm by weight XRF
1700 ppm by weight ICP-AES
Lanthanum 58 ppm by weight XRF
32.5 ppm by weight ICP-AES
Cerium 90 ppm by weight XRF
59.3 ppm by weight ICP-AES
Praseodymium 6.4 ppm by weight ICP-AES
Neodymium 23.6 ppm by weight ICP-AES
Samarium 4.6 ppm by weight ICP-AES
Europium 0.78 ppm by weight ICP-AES
Gadolinium 3.9 ppm by weight ICP-AES
Terbium L0.5 ppm by weight ICP-AES
Dysprosium 1.8 ppm by weight ICP-AES
Holmium 0.27 ppm by weight ICP-AES
Erbium 0.5 ppm by weight ICP-AES
Thulium L0.05 ppm by weight ICP-AES
Ytterbium 0.3 ppm by weight ICP-AES
Lutetium 0.03 ppm by weight ICP-AES