Distribution, Microfabric, and Geochemical Characteristics of Siliceous Rocks in Central Orogenic Belt, China: Implications for a Hydrothermal Sedimentation Model

Table 3

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

NO.	Sc	Ti	V	Cr	Mn	Co	Ni	Cu	Zn	Ga	Ge	Rb	Sr	Zr	Nb	Cs	Ba	Hf	Ta	Pb	Th	U	Y	Ti/V	V/Y	U/Th	Sc/Th	V/(V+Ni)	V/Cr	Ni/Co	Sr/Ba
FE001	1.08	26.68	3.36	5.26	423.30	0.98	3.57	11.09	44.93	0.42	1.94	2.21	161.40	1.40	0.09	1.01	214.00	0.03	0.00	14.67	0.93	0.07	7.92	7.93	0.42	0.07	1.16	0.49	0.64	3.63	0.75
FE002	0.94	293.00	12.07	12.76	172.30	21.76	29.01	3.61	487.30	4.07	14.23	16.40	17.82	24.63	1.55	1.18	126.80	0.20	0.07	1635.20	0.99	0.21	0.82	24.28	14.79	0.21	0.94	0.29	0.95	1.33	0.14
FE003	0.08	93.10	3.81	15.46	748.10	1.96	8.48	7.84	66.58	0.45	6.07	4.50	61.67	26.25	1.09	0.71	214.20	0.11	0.03	25.45	0.30	0.11	1.86	24.42	2.05	0.36	0.25	0.31	0.25	4.32	0.29
FE004	1.60	431.20	15.38	17.03	398.50	17.53	24.35	111.40	7757.60	3.49	14.28	24.18	29.62	3.79	0.39	0.73	319.00	0.53	0.11	1035.20	1.43	1.53	2.20	28.04	6.99	1.07	1.12	0.39	0.90	1.39	0.09
FE005	1.66	101.40	12.16	10.95	1219.00	3.18	4.75	140.30	426.80	2.06	3.18	11.53	124.10	13.45	3.00	0.18	42.45	0.08	0.02	1953.40	0.12	0.17	10.09	8.34	1.21	1.43	13.85	0.72	1.11	1.50	2.92
FE006	0.05	59.72	8.90	8.96	203.40	1.29	12.70	4.76	12.43	0.30	0.04	2.09	356.00	10.58	0.80	0.64	51.23	0.06	0.01	48.70	0.24	1.20	3.40	6.71	2.62	4.91	0.20	0.41	0.99	9.87	6.95
FE007	0.91	260.20	10.71	11.36	496.00	17.29	16.68	157.60	3165.40	1.84	8.17	13.33	33.00	3.14	0.19	0.21	80.51	0.26	0.06	885.90	0.95	0.42	1.87	24.30	5.74	0.44	0.96	0.39	0.94	0.96	0.41
FE008	1.04	600.90	13.83	15.24	345.50	2.92	9.96	45.18	124.90	2.28	0.64	4.62	72.08	15.70	1.41	1.17	330.50	0.25	0.13	48.73	0.53	0.19	4.03	43.45	3.44	0.37	1.97	0.58	0.91	3.41	0.22
FE009	0.15	110.10	7.77	20.34	170.30	5.05	8.80	376.40	—	3.13	7.29	7.12	10.63	13.37	0.90	0.80	247.80	0.16	0.03	9865.80	0.82	0.96	0.49	14.17	15.76	1.17	0.18	0.47	0.38	1.74	0.04
FE010	1.47	312.70	13.05	23.67	489.40	43.48	48.74	7691.00	221.00	1.51	5.20	12.83	35.96	7.08	0.36	0.42	70.60	0.64	0.09	—	1.41	0.21	2.61	23.96	5.00	0.15	1.04	0.21	0.55	1.12	0.51
FE011	1.14	411.30	13.70	16.68	147.30	143.20	145.30	209.90	214.10	2.91	12.28	23.52	10.36	12.07	0.54	0.26	159.60	0.29	0.09	423.10	1.37	0.32	1.12	30.02	12.20	0.23	0.83	0.09	0.82	1.01	0.06
FE012	0.04	113.00	6.82	24.36	217.70	3.55	10.01	32.74	1134.10	1.25	8.17	6.61	19.37	10.12	1.00	2.39	503.00	0.21	0.03	235.50	0.42	0.39	0.81	16.58	8.37	0.93	0.10	0.41	0.28	2.82	0.04
Aver.	0.85	234.44	10.13	15.17	419.23	21.85	26.86	723.65	1241.38	1.97	6.79	10.75	77.67	11.80	0.94	0.81	196.64	0.23	0.06	1470.15	0.79	0.48	3.10	21.02	6.55	0.97	1.88	0.40	0.73	2.76	1.04

∗—: outwith detection limits of the instrument.