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 7^3	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