Extremely High Primary Productivity and Organic Matter Enrichment in Lacustrine Sediments: Late Triassic Chang 7³ Sub-Member, Western Ordos Basin

Table 5

Element geochemical data for of Chang 7³ interval from well DP1 in the western Ordos Basin.

Member	Depth (m)	U/Th	FeT/Al	Ce	Fe/Mn	Mn/Ti	SiO2 (%)		CIA			Sr/Ba
Chang 7^3	2764.89	0.11	0.37	0.97	52.94	0.15	66.94	23.20	70.25	8.08	0.73	0.45
	2765.31	0.15	0.50	0.97	81.35	0.13	66.72	21.74	69.23	10.67	0.66	0.52
	2766.89	0.12	0.37	0.87	66.99	0.12	66.76	24.09	68.64	8.39	0.73	0.56
	2767.43	0.10	0.30	0.93	56.59	0.12	66.59	24.81	71.66	6.95	0.77	0.67
	2767.92	0.11	0.36	0.92	56.44	0.14	67.74	22.96	68.92	8.04	0.73	0.59
	2768.07	0.11	0.39	0.86	57.31	0.15	68.04	22.40	67.71	8.58	0.72	0.59
	2768.61	0.10	0.42	0.83	72.94	0.12	67.39	22.29	69.69	8.70	0.70	0.60
	2768.72	0.12	0.35	0.84	80.08	0.10	66.41	24.12	75.22	7.80	0.74	0.70
	2769.5	0.11	0.37	0.87	57.99	0.14	67.39	23.55	70.60	7.98	0.73	0.56
	2770.13	0.12	0.32	0.82	57.11	0.12	67.72	23.88	75.66	6.86	0.76	0.54
	2770.43	0.09	0.38	0.90	39.33	0.21	67.82	22.32	78.24	8.41	0.72	0.63
	2770.86	0.11	0.32	0.86	43.20	0.16	67.99	23.64	81.70	7.27	0.75	0.54
	2771.96	0.11	0.43	0.82	78.35	0.12	66.72	22.98	83.24	9.45	0.70	0.51
	2772.52	0.14	0.53	1.03	46.86	0.25	61.41	21.93	82.83	11.93	0.65	1.35
	2773.01	0.11	0.40	0.95	54.37	0.15	67.99	22.57	81.00	8.24	0.71	0.60