Geofluids

Research Article

The Au-Hosting Minerals and Process of Formation of the Carlin-Type Bojitian Deposit, Southwestern China

Table 7

Contents (ppm) of REEs and trace elements for ore and wall rock samples.


Sample	Lithology	Type	Strata	V	Cr	Co	Ni	Cu	Zn	Ga	Rb	Sr	Y	Zr	Nb	Mo	Sn	Cs	Ba	Hf	Ta	W	Tl	Pb	Th	U

G2-05	Marlstone	Wall rock		214	80	33.5	59	138	154	24.6	144	822	34.6	339	40.3	2	3	15.2	368	8.8	2.8	4	1	8	11.4	2.68
G2-08	Calcareous clay rock	Wall rock	P₃d	152	60	24	62	55	109	15.8	84.8	670	24.9	247	30.7	3	2	10.9	223	6.5	2.1	16	0.7	16	8.67	1.65
G2-10	Calcareous clay rock	Ore	P₃d	137	60	26.5	73	49	131	16	79.4	1155	20	244	30.9	3	3	8.96	251	6.6	2.1	41	1.1	7	7.72	2.03
G2-11	Bioclastic limestone	Wall rock	P₃c	38	20	5.4	28	12	38	5.2	27.8	1635	24.8	80	8.4	2	1	2.93	105	2.1	0.6	9	bdl	bdl	3.77	1.69
G2-17	Bioclastic limestone	Wall rock	P₃c	161	60	25.7	83	50	151	18.8	87.9	1050	26.6	307	38.2	3	3	12.75	550	7.9	2.5	11	0.9	13	10.05	2.03
G2-26	Breccia	Wall rock		72	40	11.6	33	33	76	11.7	50.3	911	18.6	148	12.6	3	2	4.62	99.6	3.7	0.9	12	1	7	5.16	3.18
G2-31	Limestone	Wall rock		60	40	13.1	29	30	48	7.4	35	1695	13.4	100	12.8	2	1	2.26	72.1	2.5	0.8	14	bdl	bdl	3.27	0.91
G2-32	Marlstone	Ore		148	100	28.2	62	44	100	15.9	89	700	23.1	232	31.2	2	2	6.31	172	5.9	2.1	25	0.8	6	7.53	1.48
G2-33	Marlstone	Ore		192	100	37.6	79	101	144	21.2	115.5	580	29.6	322	39.1	3	3	10.15	223	8.5	2.6	6	1.8	14	10	2
G2-34	Limestone	Wall rock		31	20	4.6	10	12	21	3.4	15.5	2190	8.4	46	5.2	2	1	1.4	58.1	1.2	0.3	3	bdl	bdl	1.5	0.63
G2-35	Limestone	Ore		78	50	14.1	31	28	56	8.1	37	1575	13.9	105	13.9	2	1	3.4	100	2.8	0.9	14	0.6	bdl	3.32	0.83
G2-36	Limestone	Wall rock		47	30	11.6	22	24	32	5.1	21.2	1840	11.8	67	8.4	2	1	2.24	52.3	1.7	0.5	4	0.5	bdl	2.14	0.6
G2-37	Marlstone	Ore		222	90	36.2	69	131	122	23	105	537	34.7	350	40.4	2	3	13.3	263	8.9	2.7	10	1.2	8	9.92	1.82
G2-39	Marlstone	Wall rock		107	50	15.9	32	39	69	10.1	49.9	1185	15.7	142	18.2	5	1	6.91	105	3.5	1.1	5	bdl	bdl	3.95	0.93
G2-43	Limestone	Wall rock		44	20	7.9	16	20	29	5.1	18.9	2120	10.1	70	7.8	3	1	2.18	81.3	1.7	0.5	1	bdl	bdl	2.1	0.95
G2-45	Marlstone	Wall rock		207	90	34.8	79	138	148	27.1	86	1285	41.4	415	49.5	2	4	13.2	156	10.7	3.4	15	0.5	6	12.75	2.31
G2-48	Marlstone	Wall rock		108	40	14.6	27	46	71	10.6	31.6	1220	21.1	166	19.9	2	1	4.16	85.3	4.1	1.3	12	bdl	bdl	5.12	1.31

Sample	Lithology	Type	Strata	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu	REE	LREE	HREE	LREE/HREE	δEu	δCe

G2-05	Marlstone	Wall rock		50	106	13.6	51	10	2.5	9.52	1.38	6.56	1.27	3.5	0.52	3.1	0.49	260	233	26.4	8.85	0.85	0.87		9.55
G2-08	Calcareous clay rock	Wall rock	P₃d	42	92	11	41	8.4	2	7.85	1.07	4.72	0.89	2.4	0.34	2	0.32	215	196	19.6	9.96	0.82	0.92		12.29
G2-10	Calcareous clay rock	Ore	P₃d	40	82	9.46	34	6	1.5	5.74	0.77	3.68	0.73	2.1	0.29	1.8	0.27	188	173	15.3	11.26	0.82	0.89		13.27
G2-11	Bioclastic limestone	Wall rock	P₃c	24	42	5.36	20	4.1	1.3	4.27	0.65	3.36	0.72	2.1	0.32	2.1	0.33	111	96.7	13.8	6.99	1.00	0.76		7.00
G2-17	Bioclastic limestone	Wall rock	P₃c	48	101	12.6	46	9.5	2.3	8.82	1.18	5.44	0.99	2.8	0.39	2.3	0.35	242	220	22.3	9.86	0.82	0.88		12.18
G2-26	Breccia	Wall rock		20	39	5.08	20	6.2	2	6.24	0.88	3.72	0.67	1.7	0.25	1.6	0.24	108	92.5	15.3	6.05	1.07	0.82		7.52
G2-31	Limestone	Wall rock		21	43	5.17	19	3.7	0.8	3.58	0.5	2.34	0.45	1.2	0.17	1.1	0.16	102	92.7	9.5	9.76	0.76	0.88		11.71
G2-32	Marlstone	Ore		39	81	10.1	37	6.9	1.7	6.58	0.91	4.26	0.83	2.4	0.33	2.1	0.32	193	175	17.6	9.94	0.83	0.87		11.35
G2-33	Marlstone	Ore		48	102	13.3	49	9.2	2.4	8.74	1.2	5.58	1.12	3.1	0.43	2.7	0.40	247	224	23.3	9.62	0.88	0.87		10.66
G2-34	Limestone	Wall rock		11	20	2.62	10	2	0.5	2.01	0.29	1.37	0.27	0.8	0.11	0.6	0.1	50.9	45.4	5.5	8.25	0.84	0.82		10.39
G2-35	Limestone	Ore		20	41	5.07	19	3.8	1.1	3.82	0.53	2.53	0.49	1.3	0.19	1.1	0.18	100	90.1	10.2	8.83	0.97	0.88		10.4
G2-36	Limestone	Wall rock		18	35	4.29	16	3.1	0.9	3.02	0.41	1.94	0.37	1.1	0.15	0.9	0.13	84.8	76.9	7.95	9.67	0.94	0.84		12.35
G2-37	Marlstone	Ore		52	110	14.2	53	11	2.8	9.75	1.38	6.46	1.27	3.5	0.5	3.1	0.46	269	243	26.4	9.20	0.90	0.87		10.15
G2-39	Marlstone	Wall rock		22	46	5.86	22	4.4	1.1	4.25	0.6	2.84	0.56	1.6	0.22	1.3	0.2	113	102	11.5	8.83	0.87	0.87		10.11
G2-43	Limestone	Wall rock		12	25	3.12	12	2.4	0.6	2.39	0.35	1.71	0.33	0.9	0.13	0.8	0.12	60.9	54.2	6.77	8.00	0.84	0.87		8.65
G2-45	Marlstone	Wall rock		64	134	16.9	62	12	3	11.1	1.53	7.54	1.48	4.3	0.61	3.7	0.57	322	291	30.8	9.47	0.85	0.87		10.3
G2-48	Marlstone	Wall rock		34	66	7.69	27	5.4	1.6	5.25	0.78	3.67	0.7	2	0.27	1.7	0.26	157	142	14.5	9.78	0.98	0.86		12.2

Note. “bdl”: below the detection limit.