黑龙江二道坎银铅锌矿床黄铁矿标型特征及其S、Pb同位素研究

doi:10.19657/j.geoscience.1000-8527.2024.073

摘要/Abstract

摘要：

为提取二道坎银铅锌矿床成因及找矿信息,对与成矿密切相关的黄铁矿进行主量、稀土微量元素及S、Pb同位素等研究。结果显示,黄铁矿的S/Fe、Au/Ag、Co/Ni、Fe/(S+As)和Co-Ni-As等成分标型特征显示该矿床属于中浅成火山热液型矿床,且所勘查的位置处于矿体中浅部;黄铁矿中轻稀土富集,具弱负Eu异常,无Ce异常,相对富集高场强元素Th、U、P、Hf和Yb,亏损大离子亲石元素Rb、K和Sr,Y/Ho值,显示成矿流体具有壳幔混合特征。Zr/Hf、Nb/Ta值显示成矿流体处于较稳定的环境中,但成矿过程中可能混入外来热液物质。硫同位素数值集中在+2.3‰~+8.6‰,表明成矿物质来源较深;²⁰⁶Pb/²⁰⁴Pb值为18.007~18.034,²⁰⁷Pb/²⁰⁴Pb值为15.501~15.522,²⁰⁸Pb/²⁰⁴Pb值为37.704~37.755,显示成矿物质为以地幔为主的壳幔混合来源。结合本区地球化学特征及区域典型矿床特征,认为二道坎银铅锌矿床为浅成低温热液型矿床,目前已剥蚀到中浅部,深部仍有一定的找矿潜力。

关键词: 黄铁矿, 标型特征, 稳定同位素, 矿床成因, 二道坎银铅锌矿床, 黑龙江多宝山地区

Abstract:

For the purposes of extracting genesis and prospecting information of the Erdaokan Ag-Pb-Zn deposit, a detailed investigation on chemical compositions,trace elements, rare earth element, as well as S-Pb isotopes of the pyrite related to mineralization.Genetic typomorphic characteristics of the pyrite, such as S/Fe, Au/Ag, Co/Ni, Fe/(S+As), Fe/(S+As), Co-Ni-As, etc., suggest that this deposit belongs to the intermediate to epithermal volcanic hydrothermal deposit, with the pyrite from the middle-superficial part of the prospecting orebody. The LREE are relatively more enrichment than The HREE. Eu negative anomalies are weak but Ce anomalies are not significant. Relative enrichment high field strength element(HFSE)such as Th,U,P,Hf and Yb. Loss large ion lithophile element(LILE) such as Rb, K and Sr.Ratios of Y/Ho reveal that the pyrite in the oreforming fluid closely related to the crust and mantle. The Zr/Hf and Nb/Ta values indicate that the ore-forming fluid is in a stable environment. However, there may be foreign hydrothermal substances mixed in the ore-forming process. Sulfur isotope values are concentrated in +2.3‰ to +8.6‰, it indicates that the source of ore-forming material is deep. Ratios of ²⁰⁶Pb/²⁰⁴Pb (18.007-18.034), ²⁰⁷Pb/²⁰⁴Pb (15.501-15.522), and ²⁰⁸Pb/²⁰⁴Pb (37.704-37.755), for the pyrites suggest that the ore-forming materials were sourced mainly from the mantle materials mixing with minor crustal materials.Based on the geochemical characteristics and typical deposit characteristics of this area, the Erdaokan Ag-Pb-Zn deposit is considered to be an epithermal hydrothermal silver deposit,which has been denuded to the middle and shallow part at present, and still has certain prospecting potential in the deep part.

Key words: pyrite, typomorphic characteristics, stable isotope, genesis of deposit, Erdaokan Ag-Pb-Zn deposit, Duobaoshan region of Heilongjiang Province

中图分类号:

P597
P578.2

郑博, 李成禄, 于雷, 杨文鹏, 徐国战, 史冬岩, 杨元江, 符安宗, 赵瑞君. 黑龙江二道坎银铅锌矿床黄铁矿标型特征及其S、Pb同位素研究[J]. 现代地质, 2025, 39(03): 648-666.

ZHENG Bo, LI Chenglu, YU Lei, YANG Wenpeng, XU Guozhan, SHI Dongyan, YANG Yuanjiang, FU Anzong, ZHAO Ruijun. Typomorphic Characteristics and Stable Isotopes of Pyrite from the Erdaokan Ag-Pb-Zn Deposit, Heilongjiang Province[J]. Geoscience, 2025, 39(03): 648-666.

图/表 14

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样品编号		S		Fe		Ag		Au	Cu		Zn	Co		Ni		As		Se		Te	Sb		Mn	Pb		S/ Fe		Au/ Ag		Co/ Ni	Fe/ (S+As)	总量	成矿阶段
ZKED2562-G11-4-1		50.43		43.65		379		9	0		2	64		163		555		0		21	104		108	484		2.018		0.02		0.39	0.856	96.192	PyI
ZKED2562-G11-2-1		50.96		43.86		333		36	5		5	61		137		98		0		0	158		61	619		2.029		0.11		0.45	0.859	96.727	PyI
ZKED2484-G6-1-1		53.16		45.49		10		88	0		0	318		803		170		4		22	0		8	174		2.041		8.42		0.40	0.853	100.252	PyI
ZKED2484-G5-5-7		52.90		45.76		166		30	45		13	94		247		295		0		8	29		66	256		2.019		0.18		0.38	0.860	99.991	PyI
ZKED2484-G5-5-6		52.18		45.29		278		45	29		5	131		297		379		0		0	4		51	365		2.012		0.16		0.44	0.862	99.142	PyI
ZKED2484-G5-5-3		52.59		45.89		120		0	2		0	110		165		291		0		20	46		26	146		2.002		0		0.67	0.868	99.416	PyI
ZKED2484-G5-5-2		52.64		45.54		96		0	31		1	97		154		197		0		19	0		57	110		2.019		0		0.63	0.862	98.951	PyI
ZK276-8B3-1-6		52.86		45.22		0		0	0		10	153		553		125		0		2	21		86	88		2.042		—		0.28	0.853	99.161	PyI
ZK276-8B3-1-3		50.54		44.31		95		0	38		0	78		178		2680		0		0	605		0	732		1.992		0		0.44	0.833	99.266	PyI
ZK276-8B3-1-2		51.57		45.08		82		41	33		10	115		123		885		0		0	289		0	993		1.998		0.50		0.93	0.859	99.309	PyI
ZK256-2G9-P1-1		53.31		46.53		0		6	0		0	83		14		0		0		0	0		2	0		2.001		—		5.93	0.873	99.956	PyII
ZKED2562-G2-5-6		52.81		46.25		29		36	39		0	66		10		23		0		36	0		17	211		1.995		1.24		6.60	0.875	99.548	PyII
ZKED2484-G6-1-1		53.16		45.49		10		88	0		0	318		803		170		4		22	0		8	174		2.041		8.42		0.40	0.853	100.252	PyII
ZK328-8B5-P1-1		52.73		46.00		17		22	56		0	86		32		0		7		7	0		8	45		2.002		1.29		2.69	0.872	99.016	PyII
ZK276-8B3-2-2		53.01		46.06		0		14	0		25	69		27		66		3		6	0		0	93		2.010		—		2.56	0.868	99.379	PyII
ZK274-4B1-P6-1		53.16		46.44		67		0	16		0	78		16		3		0		3	0		2	235		2.000		0		4.88	0.873	100.043	PyII
ED2562-G3-2-1		53.62		46.44		0		45	1		0	75		13		12		11		0	0		0	69		2.017		—		6.02	0.866	100.291	PyIII
ZKED2562-G11-3-2		49.39		43.69		357		36	0		18	76		48		122		0		0	127		261	709		1.974		0.10		1.60	0.882	95.785	PyIII
ZKED2484-G5-7-2		52.31		46.03		45		0	0		0	80		21		138		0		0	0		36	215		1.985		0		3.85	0.878	98.873	PyIII
ZKED2484-G5-5-5		51.58		44.96		284		0	2		4	64		82		1624		0		19	126		28	266		2.004		0		0.77	0.845	99.089	PyIII
ZKED2484-G5-5-1		51.35		44.56		77		0	5		21	68		29		2768		0		18	431		60	234		2.013		0		2.36	0.823	99.628	PyIII
ZK264-3G9-P-2-1		52.84		46.01		30		0	38		1	86		16		67		0		21	6		0	25		2.006		0		5.38	0.870	99.140	PyIII
ZKED2562-G2-5-6		52.81		46.25		29		36	39		0	66		10		23		0		36	0		17	211		1.995		1.24		6.60	0.875	99.548	PyIV
ZK278-6B2-P240-1-9		53.04		45.98		70		9	0		18	77		24		9		0		5	18		0	83		2.015		0.13		3.21	0.867	99.331	PyIV
ZK278-6B2-P240-1-7		51.03		45.31		241		0	17		11	58		17		1603		0		0	890		0	74		2.026		0		3.41	0.861	99.249	PyIV
ZK278-6B2-P240-1-6		48.78		42.26		839		15	348		9	55		25		4072		0		0	420		25	2148		2.016		0.02		2.20	0.800	98.997	PyIV
ZK276-4B1-1-3		52.84		46.24		0		44	0		0	40		21		344		0		0	0		0	99		1.996		—		1.86	0.869	99.628	PyIV
ZK266-2B2-P4-1		53.04		46.93		25		0	0		0	61		12		0		0		0	0		0	56		1.974		0		5.08	0.885	100.134	PyIV
ZK264-3G1-P6-1		52.64		46.26		0		9	0		8	68		24		391		0		4	21		0	32		1.987		—		2.83	0.872	99.492	PyIV
ZKED2484-G6-7-1		53.38		46.55		0		0	35		1	64		17		6		0		19	9		12	94		2.003		—		3.80	0.872	100.213	PyIV
ZKED2484-G6-5-1		53.43		46.53		9		52	24		14	82		10		3		0		0	0		0	112		2.005		5.67		7.91	0.871	100.289	PyIV
ZK256-2G9-P3-8		52.33		45.04		26		1	20		0	57		22		0		12		32	0		0	0		2.030		0.04		2.59	0.861	97.539	PyV
ZKED2484-G5-1-5	52.71		46.29		0		0		29	0			67	33	84		13		0		58	254		115	1.989		—		2.06		0.877	99.670	PyV
ZKED2484-G5-1-11	52.64		46.19		15		0		4	0			74	14	116		0		2		10	65		91	1.991		0		5.18		0.876	99.262	PyV
ZK256-6B6-P4-1	52.98		45.69		0		5		25	8			85	11	45		0		0		0	11		65	2.025		—		7.73		0.862	100.303	PyV

样品编号		S		Fe		Ag		Au	Cu		Zn	Co		Ni		As		Se		Te	Sb		Mn	Pb		S/ Fe		Au/ Ag		Co/ Ni	Fe/ (S+As)	总量	成矿阶段
ZKED2562-G11-4-1		50.43		43.65		379		9	0		2	64		163		555		0		21	104		108	484		2.018		0.02		0.39	0.856	96.192	PyI
ZKED2562-G11-2-1		50.96		43.86		333		36	5		5	61		137		98		0		0	158		61	619		2.029		0.11		0.45	0.859	96.727	PyI
ZKED2484-G6-1-1		53.16		45.49		10		88	0		0	318		803		170		4		22	0		8	174		2.041		8.42		0.40	0.853	100.252	PyI
ZKED2484-G5-5-7		52.90		45.76		166		30	45		13	94		247		295		0		8	29		66	256		2.019		0.18		0.38	0.860	99.991	PyI
ZKED2484-G5-5-6		52.18		45.29		278		45	29		5	131		297		379		0		0	4		51	365		2.012		0.16		0.44	0.862	99.142	PyI
ZKED2484-G5-5-3		52.59		45.89		120		0	2		0	110		165		291		0		20	46		26	146		2.002		0		0.67	0.868	99.416	PyI
ZKED2484-G5-5-2		52.64		45.54		96		0	31		1	97		154		197		0		19	0		57	110		2.019		0		0.63	0.862	98.951	PyI
ZK276-8B3-1-6		52.86		45.22		0		0	0		10	153		553		125		0		2	21		86	88		2.042		—		0.28	0.853	99.161	PyI
ZK276-8B3-1-3		50.54		44.31		95		0	38		0	78		178		2680		0		0	605		0	732		1.992		0		0.44	0.833	99.266	PyI
ZK276-8B3-1-2		51.57		45.08		82		41	33		10	115		123		885		0		0	289		0	993		1.998		0.50		0.93	0.859	99.309	PyI
ZK256-2G9-P1-1		53.31		46.53		0		6	0		0	83		14		0		0		0	0		2	0		2.001		—		5.93	0.873	99.956	PyII
ZKED2562-G2-5-6		52.81		46.25		29		36	39		0	66		10		23		0		36	0		17	211		1.995		1.24		6.60	0.875	99.548	PyII
ZKED2484-G6-1-1		53.16		45.49		10		88	0		0	318		803		170		4		22	0		8	174		2.041		8.42		0.40	0.853	100.252	PyII
ZK328-8B5-P1-1		52.73		46.00		17		22	56		0	86		32		0		7		7	0		8	45		2.002		1.29		2.69	0.872	99.016	PyII
ZK276-8B3-2-2		53.01		46.06		0		14	0		25	69		27		66		3		6	0		0	93		2.010		—		2.56	0.868	99.379	PyII
ZK274-4B1-P6-1		53.16		46.44		67		0	16		0	78		16		3		0		3	0		2	235		2.000		0		4.88	0.873	100.043	PyII
ED2562-G3-2-1		53.62		46.44		0		45	1		0	75		13		12		11		0	0		0	69		2.017		—		6.02	0.866	100.291	PyIII
ZKED2562-G11-3-2		49.39		43.69		357		36	0		18	76		48		122		0		0	127		261	709		1.974		0.10		1.60	0.882	95.785	PyIII
ZKED2484-G5-7-2		52.31		46.03		45		0	0		0	80		21		138		0		0	0		36	215		1.985		0		3.85	0.878	98.873	PyIII
ZKED2484-G5-5-5		51.58		44.96		284		0	2		4	64		82		1624		0		19	126		28	266		2.004		0		0.77	0.845	99.089	PyIII
ZKED2484-G5-5-1		51.35		44.56		77		0	5		21	68		29		2768		0		18	431		60	234		2.013		0		2.36	0.823	99.628	PyIII
ZK264-3G9-P-2-1		52.84		46.01		30		0	38		1	86		16		67		0		21	6		0	25		2.006		0		5.38	0.870	99.140	PyIII
ZKED2562-G2-5-6		52.81		46.25		29		36	39		0	66		10		23		0		36	0		17	211		1.995		1.24		6.60	0.875	99.548	PyIV
ZK278-6B2-P240-1-9		53.04		45.98		70		9	0		18	77		24		9		0		5	18		0	83		2.015		0.13		3.21	0.867	99.331	PyIV
ZK278-6B2-P240-1-7		51.03		45.31		241		0	17		11	58		17		1603		0		0	890		0	74		2.026		0		3.41	0.861	99.249	PyIV
ZK278-6B2-P240-1-6		48.78		42.26		839		15	348		9	55		25		4072		0		0	420		25	2148		2.016		0.02		2.20	0.800	98.997	PyIV
ZK276-4B1-1-3		52.84		46.24		0		44	0		0	40		21		344		0		0	0		0	99		1.996		—		1.86	0.869	99.628	PyIV
ZK266-2B2-P4-1		53.04		46.93		25		0	0		0	61		12		0		0		0	0		0	56		1.974		0		5.08	0.885	100.134	PyIV
ZK264-3G1-P6-1		52.64		46.26		0		9	0		8	68		24		391		0		4	21		0	32		1.987		—		2.83	0.872	99.492	PyIV
ZKED2484-G6-7-1		53.38		46.55		0		0	35		1	64		17		6		0		19	9		12	94		2.003		—		3.80	0.872	100.213	PyIV
ZKED2484-G6-5-1		53.43		46.53		9		52	24		14	82		10		3		0		0	0		0	112		2.005		5.67		7.91	0.871	100.289	PyIV
ZK256-2G9-P3-8		52.33		45.04		26		1	20		0	57		22		0		12		32	0		0	0		2.030		0.04		2.59	0.861	97.539	PyV
ZKED2484-G5-1-5	52.71		46.29		0		0		29	0			67	33	84		13		0		58	254		115	1.989		—		2.06		0.877	99.670	PyV
ZKED2484-G5-1-11	52.64		46.19		15		0		4	0			74	14	116		0		2		10	65		91	1.991		0		5.18		0.876	99.262	PyV
ZK256-6B6-P4-1	52.98		45.69		0		5		25	8			85	11	45		0		0		0	11		65	2.025		—		7.73		0.862	100.303	PyV

样品编号	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu	Y
ZK266-2B2-01	0.035	0.111	0.010	0.034	0.257	0.001	0.030	0.003	0.022	0.004	0.010	0.004	0.028	0.004	0.163
ZK256-6B6-04	0.081	0.175	0.018	0.096	0.016	0.001	0.018	0.003	0.028	0.007	0.025	0.005	0.033	0.006	0.222
ZK264-3G11-05	0.019	0.045	0.004	0.021	0.029	0.002	0.008	0.002	0.000	0.002	0.005	0.001	0.015	0.003	0.055
ZK260-2B1-01	0.154	0.336	0.028	0.201	0.063	0.009	0.025	0.005	0.046	0.007	0.032	0.003	0.031	0.005	0.242
ZK264-3G9-05	0.371	0.691	0.088	0.491	0.124	0.024	0.117	0.028	0.207	0.047	0.203	0.024	0.196	0.023	1.656
ZK256-2G2-01	0.385	0.857	0.105	0.341	0.079	0.022	0.079	0.005	0.056	0.007	0.043	0.004	0.120	0.008	0.249
ZK248-4G11-03	0.067	0.131	0.014	0.032	0.020	0.007	0.024	0.003	0.009	0.001	0.007	0.001	0.019	0.001	0.124
ZK256-6B6-01	1.130	1.820	0.254	0.879	0.128	0.035	0.089	0.019	0.101	0.024	0.040	0.009	0.098	0.024	0.686
样品编号	Rb	Ba	Th	U	Ta	Nb	Sr	Zr	Hf	Ga	Cs	W	REE	LREE	HREE
ZK266-2B2-01	1.002	1.591	0.010	0.002	0.000	0.003	0.566	0.485	0.003	0.100	7.514	0.681	0.714	0.447	0.267
ZK256-6B6-04	0.591	0.626	0.078	0.007	0.004	0.017	0.792	1.852	0.079	0.145	5.348	3.452	0.733	0.386	0.347
ZK264-3G11-05	0.158	1.497	0.001	0.001	0.001	0.009	0.201	0.086	0.004	0.000	10.253	0.776	0.211	0.120	0.091
ZK260-2B1-01	0.206	14.396	0.043	0.005	0.000	0.010	5.382	0.242	0.005	0.028	9.493	0.495	1.186	0.792	0.395
ZK264-3G9-05	0.151	3.641	0.019	0.002	0.000	0.002	3.406	0.744	0.012	0.098	3.742	1.825	4.289	1.789	2.499
ZK256-2G2-01	0.370	0.875	0.092	0.017	0.001	0.065	1.327	1.946	0.105	0.115	16.298	5.918	2.360	1.790	0.570
ZK248-4G11-03	0.024	0.387	0.002	0.001	0.001	0.000	0.366	0.007	0.002	0.000	0.414	0.459	0.459	0.270	0.189
ZK256-6B6-01	0.297	13.169	0.098	0.011	0.002	0.026	26.685	0.446	0.014	0.204	1.816	4.979	5.334	4.246	1.089
样品编号	∑Ce/∑Y	La_N/Yb_N	La_N/Lu_N	Ce_N/Yb_N	La_N/Sm_N	Gd_N/Yb_N	δEu	δCe	Hf/Sm	Nb/La	Th/La	Y/Ho	Zr/Hf	Nb/Ta	Sr/Ba
ZK266-2B2-01	3.818	0.843	0.935	1.014	0.086	0.857	0.017	1.428	0.013	0.078	0.279	40.003	145.195	—	0.356
ZK256-6B6-04	4.435	1.646	1.326	1.371	3.224	0.439	0.103	1.065	5.001	0.208	0.964	31.036	23.534	4.682	1.265
ZK264-3G11-05	4.571	0.872	0.722	0.776	0.424	0.405	0.349	1.204	0.133	0.454	0.057	24.062	22.451	14.520	0.135
ZK260-2B1-01	7.834	3.379	3.354	2.833	1.526	0.656	0.564	1.142	0.083	0.062	0.281	36.319	46.043	—	0.374
ZK264-3G9-05	2.350	1.279	1.695	0.912	1.883	0.483	0.608	0.890	0.098	0.006	0.050	35.602	61.339	—	0.935
ZK256-2G2-01	19.427	2.169	5.181	1.853	3.050	0.530	0.838	1.007	1.318	0.169	0.239	35.393	18.593	67.499	1.516
ZK248-4G11-03	5.941	2.383	6.534	1.794	2.147	1.023	0.916	0.986	0.093	0.000	0.024	135.845	3.960	0.000	0.945
ZK256-6B6-01	14.937	7.786	4.910	4.811	5.567	0.731	0.957	0.787	0.109	0.023	0.087	28.282	31.963	11.596	2.026

样品编号	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Tm	Yb	Lu	Y
ZK266-2B2-01	0.035	0.111	0.010	0.034	0.257	0.001	0.030	0.003	0.022	0.004	0.010	0.004	0.028	0.004	0.163
ZK256-6B6-04	0.081	0.175	0.018	0.096	0.016	0.001	0.018	0.003	0.028	0.007	0.025	0.005	0.033	0.006	0.222
ZK264-3G11-05	0.019	0.045	0.004	0.021	0.029	0.002	0.008	0.002	0.000	0.002	0.005	0.001	0.015	0.003	0.055
ZK260-2B1-01	0.154	0.336	0.028	0.201	0.063	0.009	0.025	0.005	0.046	0.007	0.032	0.003	0.031	0.005	0.242
ZK264-3G9-05	0.371	0.691	0.088	0.491	0.124	0.024	0.117	0.028	0.207	0.047	0.203	0.024	0.196	0.023	1.656
ZK256-2G2-01	0.385	0.857	0.105	0.341	0.079	0.022	0.079	0.005	0.056	0.007	0.043	0.004	0.120	0.008	0.249
ZK248-4G11-03	0.067	0.131	0.014	0.032	0.020	0.007	0.024	0.003	0.009	0.001	0.007	0.001	0.019	0.001	0.124
ZK256-6B6-01	1.130	1.820	0.254	0.879	0.128	0.035	0.089	0.019	0.101	0.024	0.040	0.009	0.098	0.024	0.686
样品编号	Rb	Ba	Th	U	Ta	Nb	Sr	Zr	Hf	Ga	Cs	W	REE	LREE	HREE
ZK266-2B2-01	1.002	1.591	0.010	0.002	0.000	0.003	0.566	0.485	0.003	0.100	7.514	0.681	0.714	0.447	0.267
ZK256-6B6-04	0.591	0.626	0.078	0.007	0.004	0.017	0.792	1.852	0.079	0.145	5.348	3.452	0.733	0.386	0.347
ZK264-3G11-05	0.158	1.497	0.001	0.001	0.001	0.009	0.201	0.086	0.004	0.000	10.253	0.776	0.211	0.120	0.091
ZK260-2B1-01	0.206	14.396	0.043	0.005	0.000	0.010	5.382	0.242	0.005	0.028	9.493	0.495	1.186	0.792	0.395
ZK264-3G9-05	0.151	3.641	0.019	0.002	0.000	0.002	3.406	0.744	0.012	0.098	3.742	1.825	4.289	1.789	2.499
ZK256-2G2-01	0.370	0.875	0.092	0.017	0.001	0.065	1.327	1.946	0.105	0.115	16.298	5.918	2.360	1.790	0.570
ZK248-4G11-03	0.024	0.387	0.002	0.001	0.001	0.000	0.366	0.007	0.002	0.000	0.414	0.459	0.459	0.270	0.189
ZK256-6B6-01	0.297	13.169	0.098	0.011	0.002	0.026	26.685	0.446	0.014	0.204	1.816	4.979	5.334	4.246	1.089
样品编号	∑Ce/∑Y	La_N/Yb_N	La_N/Lu_N	Ce_N/Yb_N	La_N/Sm_N	Gd_N/Yb_N	δEu	δCe	Hf/Sm	Nb/La	Th/La	Y/Ho	Zr/Hf	Nb/Ta	Sr/Ba
ZK266-2B2-01	3.818	0.843	0.935	1.014	0.086	0.857	0.017	1.428	0.013	0.078	0.279	40.003	145.195	—	0.356
ZK256-6B6-04	4.435	1.646	1.326	1.371	3.224	0.439	0.103	1.065	5.001	0.208	0.964	31.036	23.534	4.682	1.265
ZK264-3G11-05	4.571	0.872	0.722	0.776	0.424	0.405	0.349	1.204	0.133	0.454	0.057	24.062	22.451	14.520	0.135
ZK260-2B1-01	7.834	3.379	3.354	2.833	1.526	0.656	0.564	1.142	0.083	0.062	0.281	36.319	46.043	—	0.374
ZK264-3G9-05	2.350	1.279	1.695	0.912	1.883	0.483	0.608	0.890	0.098	0.006	0.050	35.602	61.339	—	0.935
ZK256-2G2-01	19.427	2.169	5.181	1.853	3.050	0.530	0.838	1.007	1.318	0.169	0.239	35.393	18.593	67.499	1.516
ZK248-4G11-03	5.941	2.383	6.534	1.794	2.147	1.023	0.916	0.986	0.093	0.000	0.024	135.845	3.960	0.000	0.945
ZK256-6B6-01	14.937	7.786	4.910	4.811	5.567	0.731	0.957	0.787	0.109	0.023	0.087	28.282	31.963	11.596	2.026

样号	采样位置	测试矿物	矿物形态	δ³⁴S(‰)
256-6B6-1-S1	256线ZK256-6孔97.3 m	黄铁矿(pyII)	早期黄铁矿,呈立方体,自形晶	6.9
264-3G11-2-S1	264线ZK264-3孔155 m	黄铁矿(pyIV)	黄铁矿呈胶状集合体,矿物表面粗糙	8.1
264-3G11-3-S1	264线ZK264-3孔155 m	黄铁矿(pyIV)	黄铁矿呈胶状集合体,矿物表面粗糙	6.6
264-3G1-6-S1	264线ZK264-3孔141.3 m	黄铁矿(pyIV)	黄铁矿呈胶状集合体,矿物表面粗糙	7.1
264-3G9-2-S3	264线ZK264-3孔152 m	黄铁矿(pyII)	黄铁矿呈粒状,自形-半自形	5.2
264-3G9-4-S1	264线ZK264-3孔152 m	黄铁矿(pyII)	黄铁矿呈粒状,自形-半自形	8.6
264-3G9-4-S2	264线ZK264-3孔152 m	黄铁矿(pyII)	黄铁矿呈粒状,自形-半自形	7.8
266-1B1-3-S1	266线ZK266-1孔61 m	黄铁矿(pyIII)	黄铁矿呈脉状集合体	2.3
266-1B1-3-S2	266线ZK266-1孔61 m	黄铁矿(pyII)	黄铁矿呈粒状,自形-半自形	5.9
268-1B5-5-S1	268线ZK268-1孔51.2 m	黄铁矿(pyII)	早期黄铁矿,呈立方体,自形晶	4.2
274-4B1-9-S2	274线ZK274-4孔182 m	黄铁矿(pyIII)	碎裂状黄铁矿	3.9
326-4B2-1-S1	326线326-4孔84.7 m	黄铁矿(pyIV)	黄铁矿被后来方铅矿交代	6.9