Sample code | Gbk_1 | Gbk_2 | Gbk_3 | Gbk_4 | Gbk_5 | Gbk_6 | Gbk_7 | Gbk_8 | NASC | PAAS |
Depth (m) range | 34.7 - 35.7 | 243.5 - 244.8 | 341.7 - 342.6 | 573 - 573.8 | 590 - 591 | 779 - 780.6 | 955.5 - 956.5 | 997.9 - 998.8 |
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Formation | Benin | Ogwashi-Asaba | Oshosun | Ewekoro | Ewekoro | Ewekoro | Araromi | Araromi |
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Lithology | Shale | Shale | Shale | Shale | Shale | Shale | Shale | Shale |
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Sc | 11.00 | 18.00 | 18.00 | 11.00 | 13.00 | 12.00 | 18.00 | 17.00 | 15 | 16 |
Ni | 30.00 | 50.00 | 40.00 | 30.00 | 50.00 | 50.00 | 50.00 | 70.00 | 58 | 55 |
Be | 3.000 | 4.000 | 4.000 | 3.000 | 3.000 | 3.000 | 3.000 | 3.000 |
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Ga | 23.00 | 31.00 | 32.00 | 18.00 | 21.00 | 19.00 | 27.00 | 27.00 | - | - |
Nb | 23.00 | 31.00 | 34.00 | 17.00 | 21.00 | 17.00 | 16.00 | 22.00 | 13 | 1.9 |
Ba | 526.0 | 421.0 | 402.0 | 1720 | 125.0 | 1343 | 140.0 | 160.0 | 636 | 650 |
Ta | 1.800 | 2.500 | 2.700 | 1.400 | 1.700 | 1.300 | 1.300 | 1.500 | 1.1 | - |
Co | 11.00 | 19.00 | 14.00 | 14.00 | 15.00 | 12.00 | 16.00 | 14.00 | 26 | 23 |
Cu | 20.00 | 20.00 | 20.00 | <10.0 | <10.0 | <10.0 | 20.00 | 20.00 | - | - |
Sr | 122.0 | 116.0 | 114.0 | 180.0 | 184.0 | 184.0 | 338.0 | 202.0 | 142 | 200 |
V | 77.00 | 128.0 | 108.0 | 117.0 | 183.0 | 157.0 | 194.0 | 172.0 | 130 | 96 |
Ge | <1.00 | 1.000 | 1.000 | <1.00 | 1.000 | <1.00 | 1.000 | 1.000 |
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Mo | <2.00 | 3.000 | 4.000 | <2.00 | 3.000 | 2.000 | 5.000 | 13.00 |
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As | <5.00 | 7.000 | <5.00 | <5.00 | <5.00 | <5.00 | 5.00 | 12.00 |
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Ag | 1.700 | 1.400 | 1.300 | 0.600 | 0.700 | 0.600 | 0.600 | 0.800 |
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In | <0.20 | <0.20 | <0.20 | <0.20 | <0.20 | <0.20 | <0.20 | <0.20 |
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Bi | <0.40 | <0.40 | <0.40 | <0.40 | <0.40 | <0.40 | <0.40 | <0.40 |
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Sn | 3.000 | 4.000 | 4.000 | 2.000 | 3.000 | 2.000 | 3.000 | 4.000 |
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Sb | <0.50 | 0.600 | <0.50 | 0.500 | 0.600 | <0.50 | 0.600 | 0.600 |
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Cs | 2.800 | 8.100 | 5.500 | 3.500 | 4.200 | 3.900 | 7.000 | 4.600 |
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Zn | 140.0 | 100.0 | 90.00 | 80.00 | 80.00 | 130.0 | 140.0 | 110.0 | - | - |
Th | 13.20 | 18.00 | 18.70 | 8.600 | 11.10 | 9.000 | 11.80 | 16.10 | - | - |
U | 4.400 | 3.700 | 5.800 | 1.700 | 2.400 | 2.700 | 3.100 | 13.30 | - | - |
Cr | 100.0 | 140.0 | 130.0 | 90.00 | 170.0 | 160.0 | 190.0 | 250.0 | 125 | 110 |
Rb | 46.00 | 85.00 | 49.00 | 42.00 | 51.00 | 46.00 | 66.00 | 61.00 | 125 | 160 |
Zr | 367.0 | 297.0 | 273.0 | 127.0 | 157.0 | 143.0 | 124.0 | 219.0 | 200 | 210 |
Hf | 9.000 | 7.500 | 7.000 | 3.000 | 3.800 | 3.500 | 3.100 | 5.500 | 6.3 | 5.0 |
Pb | 15.00 | 22.00 | 19.00 | 15.00 | 14.00 | 12.00 | 13.00 | 11.00 |
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TI | 0.300 | 0.400 | 0.500 | 0.100 | 0.100 | <0.10 | 0.200 | 0.400 |
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W | 1.000 | 2.000 | 2.000 | 1.000 | 1.000 | 1.000 | 1.000 | 11.00 |
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Th/U | 3.000 | 4.865 | 3.224 | 5.059 | 4.625 | 3.333 | 3.806 | 1.211 |
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Rb/Sr | 0.377 | 0.733 | 0.430 | 0.233 | 0.277 | 0.250 | 0.195 | 0.302 |
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Cr/Th | 7.576 | 7.778 | 6.952 | 10.47 | 15.32 | 17.78 | 16.10 | 15.53 |
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Cr/Zr | 0.272 | 0.471 | 0.476 | 0.709 | 1.083 | 1.119 | 1.532 | 1.142 | 0.63 | 0.52 |