Rock type | MAG | FAG | FAG & MAG | |||||||||||||||||
Mineral | Mn-Columbite | Mn-Columboite | Tapiolite | Ixiolite | Cassiterite | |||||||||||||||
Sample no. | Nw7-7 | Nw6-1 | Nw6-2 | Nw6-5 | Nw6-7 | Nw6-1 | Nw6-6 | Nw2-4 | Nw3-12 | Nw2-22 | Nw3-12 | Nw2-4 | Nw2-2 | Nw2-4 | Nw6-1 | Nw7-7 | Nw3-9 | |||
Wt% | ||||||||||||||||||||
SiO2 | 0.01 | 0 | 0 | 0.32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.07 | 17.1 | |||||||
P2O5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.32 | |||
SO3 | 0 | 0.09 | 0.02 | 0.09 | 0.1 | 0.05 | 0.07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||
CaO | 0.38 | 0 | 0.02 | 0.02 | 0 | 0 | 0.1 | 0 | 0.01 | 0.02 | 0.03 | 0 | 0 | 0 | 0.23 | 0 | 0.29 | |||
TiO2 | 0.14 | 0.12 | 0.09 | 0.08 | 0.12 | 0.08 | 0.2 | 0.14 | 0.08 | 0.12 | 0.26 | 0.1 | 0.26 | 0.77 | 0 | 0 | 0.02 | |||
MnO | 12.1 | 13.8 | 14.1 | 14 | 14 | 13.6 | 12.5 | 13.6 | 13.3 | 12.6 | 12.9 | 5.41 | 8.24 | 8.5 | 0.27 | 0.05 | 0.11 | |||
FeO | 6.98 | 6.56 | 6.22 | 5.64 | 5.77 | 5.68 | 5.12 | 4.78 | 4.48 | 5.27 | 1.6 | 7.47 | 4.84 | 3.12 | 1.07 | 1.21 | 1.17 | |||
Y2O3 | 0.29 | 0.22 | 0.29 | 0.3 | 0.19 | 0.16 | 0.26 | 0.31 | 0.24 | 0.15 | 0.07 | 0 | 0 | 0 | 0 | 0 | 0 | |||
ZrO2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.11 | 0.03 | 0.73 | 0.85 | 0.38 | 0.16 | 0.4 | 7.25 | |||
HfO2 | 0 | 0.04 | 0 | 0 | 0.01 | 0.03 | 0.04 | 0.13 | 0.05 | 0.09 | 0.09 | 0.62 | 0.69 | 0.86 | 0.2 | 0.24 | 4.41 | |||
Nb2O5 | 68.1 | 68.2 | 66.9 | 64.9 | 63.8 | 55.1 | 45.5 | 59.9 | 58.2 | 52.8 | 18.3 | 9.84 | 9.49 | 7.45 | 2.38 | 2.4 | 0.13 | |||
Ta2O5 | 8.56 | 9.88 | 11 | 13.4 | 14.4 | 24.8 | 32.8 | 20.1 | 21.8 | 27.9 | 65.4 | 60.6 | 63.6 | 63.3 | 1.78 | 2.21 | 1.31 | |||
SnO2 | 0.06 | 0.19 | 0.1 | 0.08 | 0.19 | 0.09 | 0.04 | 0.04 | 0.06 | 0.04 | 0.15 | 13.9 | 11.4 | 14.4 | 96.8 | 87.0 | 54.4 | |||
La2O3 | 0 | 0 | 0.01 | 0 | 0 | 0.02 | 0.01 | 0 | 0 | 0 | 0.03 | 0.02 | 0 | 0 | 0 | 0 | 0 | |||
Ce2O3 | 0.07 | 0.01 | 0 | 0 | 0 | 0.09 | 0.09 | 0.01 | 0.01 | 0 | 0.02 | 0.02 | 0.05 | 0.05 | 0 | 0 | 0.01 | |||
Nd2O3 | 0 | 0 | 0.05 | 0.09 | 0.07 | 0 | 0.06 | 0 | 0.02 | 0.06 | 0.01 | 0.01 | 0.09 | 0.03 | 0 | 0.2 | 0.08 | |||
Yb2O3 | 0 | 0.22 | 0.06 | 0.24 | 0.14 | 0.04 | 0.6 | 0 | 0.12 | 0 | 0.23 | 0.12 | 0.09 | 0.25 | 0 | 0 | 1.37 | |||
ThO2 | 0 | 0 | 0 | 0 | 0.07 | 0 | 0.18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.07 | 0.06 | 0.42 | |||
UO2 | 0 | 0.02 | 0 | 0 | 0.01 | 0.19 | 0 | 0.02 | 0 | 0 | 0.08 | 0.02 | 0.09 | 0.02 | 0 | 0 | 1.35 | |||
Total | 96.8 | 99.3 | 98.8 | 98.8 | 98.9 | 99.7 | 97.8 | 99 | 98.4 | 99.3 | 99.2 | 98.8 | 99.7 | 99.2 | 103 | 93.9 | 92.1 | |||
Atomic Content | ||||||||||||||||||||
Si | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.06 | 11.8 | ||||||||
P | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.18 | |||
S | 0 | 0.05 | 0.01 | 0.04 | 0.05 | 0.03 | 0.06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||
Ca | 0.27 | 0 | 0.01 | 0.01 | 0 | 0 | 0.03 | 0 | 0.01 | 0.01 | 0.02 | 0 | 0 | 0 | 0.2 | 0 | 0.21 | |||
Ti | 0.07 | 0.06 | 0.05 | 0.04 | 0.06 | 0.04 | 0.08 | 0.07 | 0.04 | 0.06 | 0.17 | 0.06 | 0.17 | 0.51 | 0 | 0 | 0.01 | |||
Mn | 6.81 | 7.65 | 7.89 | 7.92 | 7.93 | 7.86 | 8.17 | 7.88 | 7.85 | 7.53 | 9.34 | 4.04 | 6.12 | 6.41 | 0.19 | 0.04 | 0.06 | |||
Fe | 3.9 | 3.59 | 3.43 | 3.15 | 3.23 | 3.3 | 4.03 | 2.74 | 2.61 | 3.12 | 1.14 | 5.51 | 3.55 | 2.33 | 0.72 | 0.9 | 0.67 | |||
Y | 0.1 | 0.08 | 0.1 | 0.11 | 0.07 | 0.06 | 0.05 | 0.11 | 0.09 | 0.06 | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | |||