The Distribution and Composition Characteristics of Siliceous Rocks from Qinzhou Bay-Hangzhou Bay Joint Belt, South China: Constraint on the Tectonic Evolution of Plates in South China

Table 3

Trace element analysis result (×10⁻⁶) and related geochemical indices for siliceous rocks from the Dongxiang area.

No.	Li	Be	Sc	V	Cr	Co	Ni	Cu	Zn	Ga	Rb	Sr	Y	Zr	Nb	Mo	Cs	Ba	Hf	Ta	Pb	Th	U
DX013a	37.09	0.91	6.03	40.90	125.63	10.25	19.67	18.86	206.87	8.55	106.07	34.82	13.28	182.02	10.74	0.61	4.32	1372.82	4.77	0.79	252.22	8.83	2.31
DX013b	46.89	0.84	5.11	33.74	194.22	9.42	17.04	24.13	1034.24	7.41	95.08	31.45	11.66	155.86	9.29	0.59	3.42	1220.98	4.12	0.68	2695.17	7.58	2.04
DX015	32.38	1.02	6.96	43.68	46.98	55.37	105.27	22.82	103.87	8.71	99.71	115.82	11.73	158.47	11.33	0.60	4.18	1177.75	4.28	2.44	465.90	9.40	2.85
DX016	33.56	0.90	6.54	38.85	223.83	10.91	22.79	80.26	234.92	9.53	47.81	58.70	16.17	206.38	12.33	0.83	1.97	560.73	5.44	0.90	766.46	10.39	2.46
DX020	48.74	1.13	5.70	35.76	32.18	50.47	92.84	339.76	856.62	9.34	110.09	25.90	14.46	182.84	9.90	1.00	5.07	1612.74	4.85	2.10	731.93	10.35	2.33
DX024	68.84	2.13	6.25	32.86	66.59	7.72	3.92	8.83	122.67	9.20	149.31	23.35	17.59	216.66	7.48	4.89	12.55	2572.85	4.82	0.52	55.51	6.34	3.56
DX025	113.30	0.99	5.96	29.12	3.90	50.15	87.32	7.17	281.43	6.24	77.36	32.56	16.34	95.81	3.52	1.82	5.54	598.91	2.14	1.63	91.82	3.75	10.91
DX026	202.99	0.77	9.45	31.27	164.82	3.14	3.54	12.18	621.12	4.99	41.99	19.46	24.63	7.67	0.31	0.24	3.64	115.22	0.20	0.03	207.75	2.18	2.77
DX027	65.69	1.84	5.22	33.81	5.52	35.08	54.01	71.78	30936.72	13.04	107.55	23.08	22.70	207.50	7.54	3.81	11.87	134.78	4.63	1.29	3129.25	7.29	7.60
DX028	107.51	1.08	4.31	18.75	3.83	101.80	171.69	37.44	344.71	5.09	66.78	21.91	14.19	107.26	3.44	2.85	4.72	719.29	2.29	2.62	169.37	4.47	7.36
Aver.	75.70	1.16	6.15	33.87	86.75	33.43	57.81	62.32	3474.32	8.21	90.17	38.71	16.27	152.05	7.59	1.72	5.73	1008.61	3.76	1.30	856.54	7.06	4.42