Research Article

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 2

Microthermometric results of fluid inclusions from minerals in the Keyue deposit.

Sample numberMineralGenetic type (°C) (°C)Salinity (wt%)Density (g/cm3)

D41-1-2Sp2Primary220.3~261.6 ()−9.4~−5.6 ()8.7~13.3 ()0.86~0.92 ()
ZK3603-H8-1Sp2Primary216.5~254.3 ()−11.0~−4.7 ()7.4~15.0 ()0.86~0.93 ()
D41-1-1Sp2Primary213.5~277.2 ()−5.2~−13.1 ()8.1~17.0 ()0.86~0.96 ()
ZK805-H10-1Sp2Primary172.9~241.5 ()−12.7~−5.8 ()8.9~16.6 ()0.90~0.98 ()
Average233.66 ()−7.4 ()10.97 ()0.91 ()
ZK3603-397Qtz3Primary188.7~245.9 ()−6.7~−2.0 ()3.4~10.1 ()0.895~0.94 ()
D41-7-1Qtz3Primary183.5~271.7 ()−11.5~−1.9 ()3.2~15.5 ()0.84~1.02 ()
ZK4801-108-1Qtz3Primary175.0~302.7 ()−7.7~−4.1 ()6.6~11.3 ()0.79~0.96 ()
Average229.13 ()−5.8 ()8.88 ()0.90 ()
D41-1-2Qtz4primary175.0~270.6 ()−6.9~−5.1 ()8.0~10.1 ()0.84~0.94 ()
D41-4-2Qtz4primary205.0~250.0 ()−14.2~−2.0 ()3.4~17.96 ()0.84~0.98 ()
D41-1-1Qtz4primary190.0~283.4 ()−7.5~−3.7 ()6.0~11.1 ()0.81~0.94 ()
ZK805-H10-1Qtz4primary188.7~321.0 ()−8.9~−4.5 ()7.2~12.7 ()0.78~0.95 ()
D39-4-2Qtz4primary142.1~232.3 ()−9.7~−3.2 ()5.3~13.6 ()0.90~1.02 ()
D41-3-2Qtz4primary172.6~252.0 ()−5.8~−1.6 ()2.7~8.9 ()0.82~0.93 ()
Average220.95 ()−5.7 ()8.69 ()0.91 ()

Note: Sp2 = stage 2 sphalerite; Qtz3 = stage 3 quartz; Qtz4 = stage 4 quartz.