| E3 | E3 | E3 | E3 | E1 | E1 | E1 |
SiO2 (wt%) | 0.00 | 0.90 | 0.89 | 0.08 | 0.02 | 0.00 | 0.00 |
TiO2 | 0.02 | 0.01 | 0.03 | 0.01 | 51.51 | 52.05 | 0.00 |
Al2O3 | 0.02 | 0.36 | 0.16 | 0.05 | 0.00 | 0.00 | 0.00 |
FeO* | 60.12 | 64.95 | 43.46 | 56.30 | 44.71 | 45.69 | 53.10 |
MnO | 4.21 | 2.72 | 0.50 | 7.46 | 2.97 | 2.21 | 4.08 |
MgO | 1.94 | 1.83 | 0.04 | 1.65 | 0.00 | 0.01 | 0.00 |
CaO | 1.09 | 0.50 | 0.16 | 0.75 | 0.10 | 0.05 | 0.13 |
(OH) | 32.51 | 28.45 | 53.96 | 33.58 | 0.16 | 0.00 | 41.92 |
Total | 99.90 | 99.74 | 99.20 | 99.89 | 99.46 | 100.01 | 99.22 |