Geology, Mineralogy, Fluid Inclusion, and H–O–S–Pb Isotope Constraints on Ore Genesis of the Keyue Sb–Pb–Zn–Ag Deposit in Southern Tibet

Table 4

The S isotopic data for sulfides from the Keyue deposit.

Sample number	Mineral	δ^34SCDT‰	Description
D41-2-4	Sp2	10.6	Stage 2 massive sphalerite–galena–chalcopyrite.
	Gn2	8.4
ZK805-H8	Sp2	9.4	Stage 2 massive sphalerite–galena–chalcopyrite.
	Gn2	7.4
Zk1604-H25	Gn2	5.4	Stage 2 massive sphalerite–galena–Mn–Fe carbonate cut by stage 4 quartz–boulangerite vein.
	Sp2	10.2
	Blr4	6.6
D41-3-1	Sp2	11.2	Stage 2 massive sphalerite cut by stage 4 quartz–boulangerite vein.
	Blr4	9.9
D39-4-2	Sp2	11.2	Stage 2 massive sphalerite cut by stage 4 quartz–boulangerite vein.
	Blr4	7.4
D40-2	Sp3	11.2	Stage 3 massive sphalerite–galena–chalcopyrite–galena; there are minor amounts of Mn–Fe carbonate left.
	Gn3	7.4
D39-5-2	Gn3	4.9	Stage 3 massive sphalerite–galena–chalcopyrite cross-cut by quartz veins.
	Ccp3	6.4
D40-1-2	Sp3	7.1	Stage 3 quartz–sphalerite.
D41-5	Sp3	9.6	Stage 3 massive quartz–sphalerite–chalcopyrite cut by stage 4 quartz–boulangerite vein.
	Ccp3	7.0
ZK003-433-1	Sp3	9.9	Stage 3 sphalerite–calcite
D41-8	Py3	6.6	Stage 3 pyrite occurs in quartz; there are minor amounts of Mn–Fe carbonate left.
	D41-7-1 (3)	Py3		5.0	Stage 3 quartz–pyrite–galena vein cut the Mn-Fe carbonate.
KY-1-1	Stb5	8.2	Stage 5 radial stibnite occurs in stage 5 quartz.

Note: Sp2 = stage 2 sphalerite; Gn2 = stage 2 galena; Sp3 = stage 3 sphalerite; Gn3 = stage 3 galena; Ccp3 = stage 3 chalcopyrite; Py3 = stage 3 pyrite; Blr4 = stage 4 boulangerite; Stb5 = stage 5 stibnite.