Research Article
Palaeoenvironment and Its Control on the Formation of Miocene Marine Source Rocks in the Qiongdongnan Basin, Northern South China Sea
Table 2
Basic inorganic geochemical parameters for the Miocene marine source rocks of well BD20-1-1 in the Qiongdongnan Basin.
| Depth (m) | Strata | Al/Ti | P/Ti | U/Th | Ni/Co |
| 2290 | N1m | 14.68 | 0.10 | 0.21 | 4.32 | 2355 | N1s | 21.48 | 0.17 | 0.22 | 3.31 | 2395 | N1s | 20.38 | 0.15 | 0.22 | 4.08 | 2455 | N1s | 19.63 | 0.18 | 0.22 | 3.11 | 2515 | N1s | 18.51 | 0.17 | 0.22 | 3.27 | 2540 | N1s | 17.81 | 0.11 | 0.20 | 3.56 | 2570 | N1s | 19.26 | 0.11 | 0.19 | 3.32 | 2745 | N1s | 17.04 | 0.07 | 0.21 | 2.75 | 2775 | N1s | 16.72 | 0.08 | 0.20 | 3.26 | 2906 | N1s | 17.79 | 0.08 | 0.18 | 2.88 | 2964 | N1s | 18.43 | 0.13 | 0.19 | 2.67 | 2994 | N1s | 37.38 | 0.08 | 0.20 | 2.86 | 3050 | N1s | 19.48 | 0.08 | 0.20 | 3.28 | 3078 | N1s | 18.08 | 0.11 | 0.21 | 3.34 |
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