wt% | Ibity granite | Tsarasaotra monzonitic. | Trasaraotra granite | Tsarasaotra monzonitic | Tsarasaotra granite | ||||||
IB-7A MT-1 | IB-15 MT-1 | IB-16A MT-1 | IB-16A MT-2 | TS-6 MT-1 | TS-2 MT-1 | TS-3 MT-3 | TS-1 ILM-1 | TS-1 ILM-3 | TS-2 ILM-2 | TS-3 ILM-2 | |
SiO2 | 0.04 | 0.01 | 0.04 | 0.03 | 0.04 | 0.10 | 0.05 | 0.01 | 0.03 | 0.07 | 0.04 |
TiO2 | 0.05 | 0.04 | 0.01 | 0.02 | 0.02 | 0.00 | 0.04 | 42.7 | 46.5 | 9.4 | 46.0 |
Al2O3 | 0.07 | 0.06 | 0.04 | 0.02 | 0.08 | 0.04 | 0.10 | 0.01 | 0.01 | 0.02 | 0.01 |
FeO* | 98.6 | 95.0 | 97.7 | 97.4 | 94.0 | 89.9 | 92.1 | 48.2 | 50.0 | 76.5 | 43.1 |
MnO | 0.11 | 0.01 | 0.02 | 0.01 | 0.09 | 0.08 | 2.29 | 2.38 | 0.06 | 7.78 | |
MgO | 0.00 | 0.01 | 0.01 | 0.01 | 0.00 | 0.23 | 0.31 | 0.01 | 0.22 | ||
Total | 98.8 | 95.1 | 97.8 | 97.4 | 94.2 | 90.0 | 92.4 | 93.4 | 99.2 | 86.1 | 97.2 |
Ferrous and ferric components recalculated after | |||||||||||
SiO2 | 0.04 | 0.01 | 0.04 | 0.03 | 0.04 | 0.10 | 0.05 | 0.01 | 0.03 | 0.07 | 0.04 |
TiO2 | 0.04 | 0.04 | 0.01 | 0.02 | 0.02 | 0.00 | 0.04 | 42.7 | 46.5 | 9.4 | 46.0 |
Al2O3 | 0.06 | 0.06 | 0.04 | 0.02 | 0.08 | 0.04 | 0.10 | 0.01 | 0.01 | 0.02 | 0.01 |
Fe2O3 | 68.0 | 68.7 | 68.5 | 68.3 | 69.6 | 66.4 | 68.1 | 13.9 | 12.3 | 75.7 | 11.0 |
FeO | 30.7 | 31.0 | 30.9 | 30.8 | 31.4 | 30.1 | 30.8 | 35.7 | 38.9 | 8.5 | 33.2 |
MnO | 0.10 | 0.01 | 0.02 | 0.01 | 0.09 | - | 0.08 | 2.29 | 2.38 | 0.06 | 7.78 |
MgO | 0.00 | 0.01 | 0.01 | - | 0.01 | - | 0.00 | 0.23 | 0.31 | 0.01 | 0.22 |
Total | 99.0 | 99.8 | 99.5 | 99.2 | 101 | 96.7 | 99.2 | 94.8 | 100 | 93.7 | 98.3 |
Si | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Ti | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.86 | 0.88 | 0.20 | 0.89 |
Al | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Fe3+ | 1.99 | 1.99 | 2.00 | 2.00 | 1.99 | 1.99 | 1.99 | 0.28 | 0.23 | 1.60 | 0.21 |
Fe2+ | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 0.80 | 0.82 | 0.20 | 0.72 |
Mn | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | - | 0.00 | 0.05 | 0.05 | 0.00 | 0.17 |
Mg | 0.00 | 0.00 | 0.00 | - | 0.00 | - | 0.00 | 0.01 | 0.01 | 0.00 | 0.01 |
Total | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 3.00 | 2.00 | 2.00 | 2.00 | 2.00 |
Usp/Ilm (%) | 0.28% | 0.16% | 0.16% | 0.00 | 0.22% | 0.42% | 0.33% | 0.86 | 0.88 | 0.20 | 0.89 |