Fluid Inclusions and C-H-O-S-Pb Isotope Systematics of the Changfagou Deposit, Jilin Province, Northeast China

Table 6

Ore-forming fluids characteristics of typical deposits.

Deposit	Fluid inclusion type	Homogenization temperature	Salinity	Initial ore-forming fluids	Metallogenic epoch	Analytical methods	Geodynamic setting	Reference
Chehugou	CO2-bearing multiphase; daughter mineral-bearing multiphase; liquid-rich two-phase; gas-rich two-phase; pure gas phase	Early: 400–270°C; Middle: 370–160°C; Late: 230–120°C	Early: 58.41–1.06% Nacleqv; Middle: 48.21–0.88% Nacleqv; Late: 8.41–0.71% Nacleqv	High temperature, high salinity, CO2-bearing, CO2-NaCl-H2O system	250.2 ± 7.2 Ma	Molybdenite Re-Os dating	Postcollision local extension	[1, 2]
Jiguanshan	CO2-bearing multiphase; daughter mineral-bearing multiphase; liquid-rich two-phase; gas-rich two-phase; pure CO2-bearing; pure liquid phase	Early: >480°C; Middle: 480–320°C; Late: 320–180°C	Early: >66.75% Nacleqv; Middle: 56.76–4.65% Nacleqv; Late: <10.86% Nacleqv	High temperature, high salinity, CO2-bearing, high oxygen fugacity, magmatic hydrothermal	151.1 ± 1.3 Ma	Molybdenite Re-Os dating	Tectonic regime transformation	[3, 4]
Aolunhua	CO2-bearing multiphase; daughter mineral-bearing multiphase; liquid-rich two-phase; gas-rich two-phase; pure gas phase	Early: 430–330°C; Middle: 350–250°C; Late: 270°C	Early: 58.41–1.06% Nacleqv; Middle: 48.21–0.88% Nacleqv; Late: 8.41–0.71% Nacleqv	High temperature, high salinity, CO2-bearing, high oxygen fugacity, CO2-NaCl-H2O system	129.4 ± 3.4 Ma	Molybdenite Re-Os dating	Continental extension related to lithosphere thinning	[13],; Ma et al., 2009
Daheishan	CO2-bearing multiphase; daughter mineral-bearing multiphase; gas-liquid two-phase	Early: 391–286°C; Late: 379–232°C	Early: 44–3% Nacleq; Late: 9–1% Nacleqv	Medium-high temperature, high salinity, NaCl-H2O system	168.2 ± 3.2 Ma	Molybdenite Re-Os dating	Active continental margin or island arc	[6, 7, 14]
Luming	Daughter mineral-bearing multiphase; liquid-rich two-phase; gas-rich two-phase; CH4-bearing	449–133°C	53.1–1.2% Nacleqv	High temperature, medium salinity NaCl-H2O±CH4 system	176.7 ± 4.4 Ma	Molybdenite Re-Os dating	Plate subduction	[23]
Fu’anpu	Gas-liquid two-phase	257.8–123.8°C	17.47–1.39% Nacleqv	Medium-low temperature, medium salinity NaCl-H2O ± CH4 system	168.22 ± 0.87 Ma	Molybdenite Re-Os dating	Plate subduction	[11]