The Fe-Zn Isotopic Characteristics and Fractionation Models: Implications for the Genesis of the Zhaxikang Sb-Pb-Zn-Ag Deposit in Southern Tibet

Table 2

EPMA data for sulfides from the Zhaxikang deposit.


Sample number	As (%)	S (%)	Se (%)	Cu (%)	Co (%)	Zn (%)	Sb (%)	Ag (%)	Au (%)	Cd (%)	Bi (%)	Pb (%)	NiO (%)	FeO (%)	Total (%)	Mineral

9-3-1	–	33.165	–	0.133	0.009	59.095	–	–	–	0.171	–	–	–	6.985	99.558	Sp
9-3-2	–	33.423	–	0.015	0.012	58.224	–	0.002	–	0.151	–	–	–	8.060	99.887	Sp
9-3-3	–	33.262	–	–	0.015	57.114	–	–	–	0.159	–	–	–	9.405	99.955	Sp
9-3-6	0.784	52.884	–	0.005	0.044	–	–	–	0.016	–	–	0.134	–	46.585	100.452	Py
9-3-7	2.244	51.934	–	0.002	0.049	–	–	–	0.004	–	–	0.132	–	46.044	100.409	Py
9-8-1	0.002	33.740	–	0.009	0.010	57.705	–	0.004	–	0.160	–	0.018	0.008	8.827	100.483	Sp
9-8-2	–	33.649	–	0.011	0.005	59.584	–	0.005	–	0.150	–	–	–	7.112	100.516	Sp
9-8-3	–	33.500	–	0.006	0.003	56.941	–	–	–	0.160	–	–	0.002	9.424	100.036	Sp
9-8-5	0.009	34.064	–	0.089	0.004	57.475	–	–	–	0.151	–	–	–	8.901	100.693	Sp
9-8-6	0.006	53.867	–	0.033	0.050	0.058	–	0.005	0.012	–	–	0.300	0.002	46.539	100.872	Py
9-8-7	0.015	53.359	–	0.471	0.043	0.044	–	–	–	–	–	0.174	–	46.518	100.624	Py
ZXK-1-1	–	33.502	–	0.012	0.009	57.497	–	–	–	0.172	–	–	–	9.142	100.334	Sp
ZXK-1-2	–	33.428	–	0.036	–	60.190	0.002	0.002	–	0.201	–	–	–	5.810	99.669	Sp
ZXK-1-3(1)	39.757	24.131	–	0.006	0.043	0.009	–	–	0.027	–	–	0.063	0.002	36.340	100.378	Apy
ZXK-1-3(2)	2.435	51.666	–	0.018	0.067	0.185	–	0.007	0.013	–	–	0.113	0.004	45.877	100.385	Py
ZXK-1-3(3)	–	33.337	0.002	0.014	0.012	58.623	–	0.015	–	0.147	–	–	0.003	7.747	99.900	Sp
ZXK-1-4	1.942	51.982	0.001	0.008	0.046	0.015	–	–	0.003	–	–	0.196	–	46.004	100.197	Py
ZXK-1-5	2.056	52.248	–	0.008	0.054	–	–	–	0.013	–	–	0.137	–	46.163	100.679	Py
ZXK-2-1	–	33.684	–	0.061	0.010	59.726	–	–	–	0.170	–	–	0.005	6.904	100.560	Sp
ZXK-2-2	39.643	23.789	–	0.002	0.050	0.008	0.196	0.006	–	–	–	0.081	0.098	36.245	100.118	Apy
ZXK-2-3	–	33.868	–	0.025	0.012	58.034	–	0.001	–	0.196	–	–	0.002	8.714	100.852	Sp
ZXK-2-4	39.444	24.229	–	–	0.041	–	0.173	–	0.026	–	–	0.061	–	36.424	100.398	Apy
ZXK-2-5	2.417	51.755	–	–	0.045	0.027	–	–	–	–	–	0.131	–	46.227	100.602	Py
ZXK-2-6	0.031	53.630	–	0.107	0.047	–	–	–	0.009	–	–	0.168	–	46.654	100.646	Py

Notes. (1) Py = pyrite, Sp = sphalerite, and Apy = arsenopyrite; (2) for the sampling points, please see Figure 5.

Geofluids

The Fe-Zn Isotopic Characteristics and Fractionation Models: Implications for the Genesis of the Zhaxikang Sb-Pb-Zn-Ag Deposit in Southern Tibet

Table 2