Research Article
Extremely High Primary Productivity and Organic Matter Enrichment in Lacustrine Sediments: Late Triassic Chang 73 Sub-Member, Western Ordos Basin
Table 3
Chloroform bitumen “A” content of Chang 73 and Chang 8 intervals from well DP1 in the western Ordos Basin.
| Member | Depth (m) | Chloroform bitumen “A” (%) |
| Chang 73 | 2743.57 | 0.68 | 2744.85 | 0.17 | 2749.16 | 0.81 | 2750.64 | 0.73 | 2752.14 | 0.48 | 2754.34 | 0.28 | 2755.20 | 0.46 | 2757.04 | 0.59 | 2758.93 | 0.17 | 2761.58 | 0.69 | 2764.21 | 0.30 | 2765.03 | 0.68 | 2765.51 | 0.29 | 2765.89 | 0.66 | 2767.10 | 0.70 | 2768.24 | 0.63 | 2768.99 | 0.95 | 2769.27 | 0.63 | 2770.13 | 0.24 | 2770.86 | 0.63 | 2771.38 | 0.55 | 2772.20 | 0.72 | 2773.37 | 0.60 | 2774.63 | 0.50 | 2776.48 | 0.53 | 2776.89 | 0.74 | 2778.06 | 0.70 |
| Chang 8 | 2778.67 | 0.01 | 2779.48 | 0.01 | 2781.52 | 0.06 |
|
|