Research Article
Determination of Provenance and Tectonic Settings of Niger Delta Clastic Facies Using Well-Y, Onshore Delta State, Nigeria
Table 5
Rare earth elements concentrations in ppm for the analyzed samples.
| Sample (in meters) | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Y | ppm |
ppm | ppm | ppm | ppm | ppm | ppm | ppm | ppm | ppm | ppm | Ppm | ppm | ppm | ppm |
| 1160–1180 | 8.9 | 20.01 | 2 | 8.9 | 1.5 | 0.1 | 1.2 | 0.1 | 1 | 0.1 | 0.4 | <0.1 | 0.4 | <0.1 | 3.3 | 1560–1580 | 8.1 | 18.11 | 1.9 | 8 | 1.3 | <0.1 | 1 | 0.1 | 0.8 | 0.1 | 0.3 | <0.1 | 0.4 | <0.1 | 2.8 | 1960–1980 | 9.2 | 19.38 | 2.1 | 9.6 | 1.6 | 0.2 | 1.4 | 0.1 | 1.1 | 0.2 | 0.5 | <0.1 | 0.5 | <0.1 | 4.6 | 2960–2980 | 16.7 | 36.08 | 3.9 | 16.9 | 2.8 | 0.4 | 2.2 | 0.3 | 1.8 | 0.3 | 0.7 | 0.1 | 0.8 | 0.1 | 7.1 | 3960–3980 | 30.1 | 68.14 | 7.6 | 35.3 | 5.7 | 1 | 4.4 | 0.6 | 3.5 | 0.6 | 1.6 | 0.2 | 1.6 | 0.2 | 14.7 | 4560–4580 | 31.7 | 67.95 | 7.6 | 33.7 | 5.2 | 0.9 | 4.8 | 0.6 | 3.5 | 0.6 | 1.7 | 0.2 | 1.6 | 0.2 | 14.2 | 5460–5480 | 9.1 | 21.18 | 2.6 | 12.4 | 1.9 | 0.3 | 1.7 | 0.2 | 1.2 | 0.2 | 0.5 | <0.1 | 0.6 | <0.1 | 4.9 | 5760–5780 | 9.6 | 25.82 | 3.1 | 14.7 | 2.8 | 0.5 | 2.5 | 0.3 | 1.9 | 0.3 | 0.8 | 0.1 | 0.9 | 0.1 | 5.7 | 6160–6180 | 23.2 | 58.84 | 7.3 | 34.8 | 5.8 | 1.1 | 4.9 | 0.6 | 3.8 | 0.6 | 1.4 | 0.2 | 1.5 | 0.2 | 14.9 | 7060–7080 | 8.9 | 24.9 | 3.4 | 15.5 | 2.6 | 0.5 | 2.7 | 0.3 | 1.8 | 0.3 | 0.7 | <0.1 | 0.8 | <0.1 | 8.5 | 7260–7280 | 4.6 | 15.37 | 2.2 | 11 | 1.8 | 0.3 | 1.6 | 0.2 | 1.3 | 0.2 | 0.6 | <0.1 | 0.6 | <0.1 | 5.4 | 7560–7580 | 6.4 | 19.4 | 2.6 | 13.7 | 2.3 | 0.5 | 2.3 | 0.3 | 1.6 | 0.3 | 0.7 | <0.1 | 0.6 | <0.1 | 6 | 7760–7780 | 16.1 | 45.68 | 6 | 27.7 | 4.5 | 0.8 | 3.4 | 0.4 | 2.4 | 0.5 | 1 | 0.1 | 1 | 0.1 | 10.7 | 7960–7980 | 5.9 | 17.5 | 2.3 | 12.1 | 2.1 | 0.4 | 1.8 | 0.2 | 1.4 | 0.2 | 0.5 | <0.1 | 0.6 | <0.1 | 5.3 | 8060–8080 | 8.1 | 22.61 | 2.8 | 13.5 | 2.2 | 0.4 | 1.6 | 0.2 | 1.2 | 0.2 | 0.5 | <0.1 | 0.5 | <0.1 | 4.9 | 8160–8180 | 17.9 | 41.58 | 4.8 | 22.8 | 3.6 | 0.6 | 2.9 | 0.3 | 2.1 | 0.3 | 0.8 | 0.1 | 0.9 | 0.1 | 9 | 8560–8580 | 11.5 | 28.5 | 3.2 | 15.9 | 2.6 | 0.5 | 2 | 0.3 | 1.5 | 0.3 | 0.6 | <0.1 | 0.6 | <0.1 | 6.2 | 8960–8980 | 26 | 60.17 | 7.1 | 31.8 | 4.8 | 0.9 | 3.6 | 0.4 | 2.8 | 0.5 | 1.1 | 0.2 | 1.3 | 0.2 | 11.5 | 10,360–10,380 | 18.6 | 40.4 | 4.4 | 20.4 | 3 | 0.5 | 2.4 | 0.3 | 1.8 | 0.3 | 0.7 | 0.1 | 0.8 | 0.1 | 7.1 | 11,060–11,080 | 37.6 | 91.97 | 9.6 | 44.3 | 7.3 | 1.1 | 6.1 | 0.8 | 5 | 0.8 | 2.2 | 0.3 | 2.2 | 0.3 | 20.1 | 11,460–11,480 | 29.2 | 77.09 | 9.6 | 43.7 | 7.4 | 1.3 | 6.3 | 0.8 | 4.9 | 0.8 | 2 | 0.3 | 2.1 | 0.3 | 19.7 |
| Average | 1.6 | 1.6 | 1.5 | 1.5 | 1.2 | #VALUE! | 1.0 | 0.8 | 0.8 | 0.6 | 0.6 | 0.4 | 0.6 | | 0.9 |
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