Type | Acidic dykes | Intermediate dykes | Basic dykes | ||||||||||
S. No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
DI | 93.29 | 92.85 | 94.91 | 94.51 | 94.15 | 36.16 | 44.58 | 56.79 | 66.13 | 31.19 | 36.28 | 32.02 | 37.66 |
Mg# | 10.54 | 16.47 | 26.01 | 21.56 | 18.48 | 58.06 | 63.00 | 44.44 | 42.37 | 65.27 | 52.27 | 42.10 | 60.99 |
ASI | 1.09 | 1.05 | 0.97 | 1.00 | 0.99 | 0.70 | 0.81 | 0.82 | 0.90 | 0.72 | 1.01 | 0.68 | 0.62 |
AI | 3.97 | 4.13 | 3.27 | 4.22 | 4.41 | 1.28 | 1.68 | 1.86 | 2.34 | 1.41 | 1.42 | 1.40 | 1.49 |
M | 1.28 | 1.38 | 1.43 | 1.43 | 1.41 | 2.82 | 2.41 | 2.28 | 2.01 | 2.99 | 2.11 | 3.42 | 3.33 |
MgO/FeOt+MgO | 0.06 | 0.09 | 0.15 | 0.12 | 0.10 | 0.41 | 0.46 | 0.29 | 0.27 | 0.49 | 0.36 | 0.27 | 0.44 |
Na2O+K2O | 7.48 | 8.73 | 8.50 | 8.97 | 8.07 | 3.14 | 4.55 | 6.12 | 7.26 | 3.41 | 3.47 | 3.28 | 3.92 |
Na2O/K2O | 1.23 | 0.98 | 0.63 | 0.86 | 0.96 | 0.62 | 1.54 | 1.57 | 1.20 | 2.97 | 3.39 | 2.22 | 2.50 |
Ba/Rb | 17.06 | 8.27 | 15.13 | 8.93 | 12.44 | 22.42 | 26.33 | 23.71 | 15.60 | 8.94 | 13.27 | 14.74 | 9.07 |
Rb/Sr | 1.45 | 1.06 | 1.33 | 1.36 | 1.40 | 0.10 | 0.09 | 0.15 | 0.24 | 0.04 | 0.05 | 0.03 | 0.03 |
Zr/Y | 4.45 | 8.25 | 6.46 | 5.55 | 5.87 | 5.53 | 9.35 | 8.00 | 6.11 | 4.46 | 3.92 | 2.60 | 2.00 |
Nb/Y | 0.49 | 0.78 | 0.66 | 0.51 | 0.61 | 0.94 | 0.50 | 0.85 | 0.72 | 0.62 | 0.50 | 0.90 | 0.73 |
Zr/Yb | 109.00 | 66.00 | 75.33 | 261.00 | 55.75 | 23.50 | 31.17 | 20.80 | 36.67 | 6.44 | 7.83 | 8.67 | 5.50 |
Zr/Nb | 9.08 | 10.56 | 9.83 | 10.88 | 9.70 | 5.88 | 18.70 | 9.45 | 8.46 | 7.25 | 7.83 | 2.89 | 2.75 |