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Table 3 Analyzed cassiterite samples at Kuru-Jentar

From: Benefits of cassiterite mining by artisanal miners in Jos Plateau, Nigeria

Oxide composition (%) CEB 6 CEB7 CEB 8 CEB 9 CEB 10
SiO2 ND 6.00 14.00 12.74 8.24
Cl ND 0.994 ND ND ND
K2O 0.99 0.94 ND 0.76 ND
CaO 0.20 0.20 0.61 0.20 ND
TiO2 17.00 15.20 13.80 15.90 14.70
MnO 0.75 0.66 0.59 0.65 0.61
Fe2O3 16.67 15.81 14.22 17.02 15.57
CuO 0.23 0.17 0.21 0.14 0.22
ZnO ND ND 0.087 0.084 0.088
SeO2 ND ND ND 0.004 ND
Ga2O3 0.070 ND 0.048 ND ND
AS2O3 0.028 0.008 ND ND 0.02
Y2O3 0.832 0.653 0.696 0.832 0.738
ZrO2 9.71 9.56 9.15 9.09 10.10
Nb2O5 11.20 10.60 10.20 9.42 11.00
SnO2 32.20 30.00 30.44 24.00 28.20
BaO 1.80 2.20 1.20 2.40 1.10
CeO2 2.10 2.00 1.90 2.20 2.30
Nd2O3 0.26 0.40 0.20 0.51 0.19
Eu2O3 0.40 0.37 0.52 0.48 0.50
HfO2 ND 0.41 0.26 0.40 0.39
Ta2O5 1.00 1.33 0.79 1.18 1.11
WO3 ND ND 0.22 ND 0.16
PbO 0.13 0.15 0.26 0.17 0.596
ThO2 1.53 1.44 ND 1.62 1.47
L.O.I 2.90 0.90 0.60 0.20 2.70