S. No. | W1-1 | W1-2 | W1-3 | W1-4 | W1-5 | W1-6 | W1-7 | W1-8 | W2-1 | W2-2 | W2-3 | W2-4 | W2-5 | W2-6 | W2-7 | W2-8 | W2-9 | W3-1 | W3-2 | W3-3 |
depth m. | 20 | 24 | 35 | 53 | 55 | 59 | 62 | 63 | 1 | 4 | 10 | 17 | 26 | 35 | 37 | 42 | 44 | 12 | 30 | 43 |
Major oxides (wt.%) | ||||||||||||||||||||
SiO2 | 76.2 | 76.3 | 77.7 | 74.6 | 76.9 | 76.2 | 76.9 | 76 | 77.4 | 76.8 | 76.7 | 76.8 | 78 | 77.5 | 76.8 | 74.8 | 76.8 | 75.5 | 77 | 74.7 |
TiO2 | 0.13 | 0.13 | 0.13 | 0.10 | 0.12 | 0.10 | 0.09 | 0.13 | 0.10 | 0.10 | 0.10 | 0.14 | 0.10 | 0.14 | 0.12 | 0.16 | 0.14 | 0.13 | 0.13 | 0.09 |
Al2O3 | 13.3 | 13.3 | 12.5 | 12.6 | 12.8 | 13.7 | 12.7 | 13 | 12.9 | 13.3 | 13.2 | 13 | 12.6 | 12.3 | 13.1 | 13.1 | 12.8 | 12.7 | 12.5 | 13.7 |
Fe2O3 | 0.7 | 0.9 | 0.9 | 1.2 | 0.5 | 0.6 | 0.9 | 0.9 | 0.6 | 0.5 | 0.6 | 0.9 | 0.7 | 0.8 | 0.7 | 0.6 | 0.6 | 0.8 | 0.7 | 0.5 |
MnO | 0.05 | 0.06 | 0.04 | 0.10 | 0.02 | 0.03 | 0.08 | 0.06 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.03 | 0.02 | 0.03 | 0.09 | 0.08 | 0.06 |
MgO | 0.12 | 0.22 | 0.15 | 0.12 | 0.07 | 0.11 | 0.12 | 0.16 | 0.10 | 0.09 | 0.10 | 0.19 | 0.23 | 0.25 | 0.17 | 0.35 | 0.38 | 0.20 | 0.16 | 0.12 |
CaO | 0.5 | 0.3 | 0.2 | 0.9 | 0.2 | 0.4 | 0.7 | 0.8 | 0.4 | 0.4 | 0.4 | 0.5 | 0.3 | 0.3 | 0.4 | 1 | 0.4 | 1.1 | 0.7 | 0.7 |
Na2O | 4.4 | 3.8 | 4 | 4.1 | 4.1 | 4.5 | 4.2 | 4.3 | 4 | 4.4 | 4.1 | 4 | 3.2 | 3 | 4.1 | 2.8 | 2.6 | 4.1 | 4.3 | 4.3 |
K2O | 4.1 | 4.2 | 3.7 | 4.2 | 4.2 | 4.5 | 4.3 | 4.3 | 4.6 | 4.5 | 4.8 | 4.3 | 4 | 4.2 | 4.4 | 4.2 | 4.4 | 4 | 3.8 | 5 |
P2O5 | 0.1 | 0.1 | 0.1 | 0 | 0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 |
IL | 0.8 | 1.5 | 0.9 | 1.6 | 1 | 1 | 1.1 | 1.1 | 0.7 | 0.7 | 0.7 | 1 | 1.9 | 2 | 1.1 | 3.1 | 2.8 | 1.4 | 1.2 | 0.9 |
Total | 100 | 101 | 100 | 100 | 100 | 101 | 101 | 101 | 101 | 101 | 101 | 101 | 101 | 101 | 101 | 100 | 101 | 100 | 101 | 100 |
Trace elements (ppm) | ||||||||||||||||||||
Be | 5.4 | 4.4 | 4.9 | 8.4 | 3.2 | 5.4 | 7.4 | 7.6 | 3.1 | 3.5 | 2.8 | 4.2 | 2.9 | 4.1 | 5.2 | 3.4 | 3.5 | 7.8 | 8.5 | 8.7 |
Sc | 4.9 | 5.1 | 5.2 | 6.8 | 3.9 | 5.1 | 6.7 | 7.7 | 3.4 | 2.6 | 2.6 | 4.1 | 2.3 | 3.8 | 4.1 | 3.8 | 3.6 | 8.4 | 7.7 | 6.2 |
Ti | 1.6 | 1.6 | 1.6 | 1.2 | 1.5 | 1.3 | 1.2 | 1.6 | 1.3 | 1.2 | 1.3 | 1.8 | 1.2 | 1.7 | 1.5 | 2 | 1.7 | 1.6 | 1.6 | 1.2 |
V | 9.7 | 8.7 | 9.1 | 5.8 | 6.3 | 5.6 | 4.4 | 5.8 | 5.2 | 5.1 | 3.5 | 8.2 | 3.6 | 7.9 | 6.6 | 8.2 | 6.8 | 8.2 | 6.7 | 5.5 |
Cr | 62.2 | 132 | 95 | 100 | 62.7 | 89 | 70.3 | 78.9 | 80.2 | 50.3 | 62.7 | 93 | 93 | 88 | 92 | 78.2 | 83 | 77.8 | 95 | 69 |
Mn | 0.8 | 0.8 | 0.6 | 1.4 | 0.2 | 0.4 | 1.1 | 0.9 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.4 | 0.3 | 0.4 | 1.3 | 1.1 | 0.8 |
Co | 0.8 | 1.5 | 1.4 | 1.8 | 0.7 | 0.9 | 1.1 | 1.1 | 0.6 | 0.8 | 0.7 | 1.1 | 0.9 | 0.8 | 1 | 0.9 | 0.9 | 1 | 0.9 | 0.7 |
Zn | 35.2 | 39.5 | 30 | 57.9 | 24.7 | 33.9 | 45.9 | 78 | 39.7 | 33 | 29.4 | 59 | 38.9 | 27.3 | 48.8 | 62.1 | 36.7 | 51.2 | 57.3 | 43.2 |
Ga | 24 | 24 | 23 | 26 | 21 | 25 | 25 | 27 | 21 | 21 | 22 | 23 | 20 | 21 | 25 | 23 | 23 | 25 | 26 | 30 |
Ge | 1.5 | 1.4 | 1.7 | 2.2 | 1.3 | 1.8 | 2.2 | 2.2 | 1.3 | 1.4 | 1.4 | 1.5 | 1.3 | 1.5 | 1.9 | 1.4 | 1.3 | 2 | 2.2 | 3 |
Rb | 248.8 | 275.5 | 244.6 | 427 | 211 | 280 | 412 | 394 | 195 | 184 | 206 | 188 | 174 | 204 | 267 | 196 | 198 | 364 | 357 | 464 |