湘东北万古金矿田江东金矿床成因——流体包裹体和H-O同位素制约
袁梓焜,邵拥军,刘清泉,张毓策,王智琳

Genesis of Jiangdong Gold Deposit in Wangu Gold Field,Northeast Hunan:Constraints from Fluid Inclusions and H-O Isotope
Zikun YUAN,Yongjun SHAO,Qingquan LIU,Yuce ZHANG,Zhilin WANG
表2 江东金矿床中不同阶段的流体包裹体测温结果
Table 2 Thermometry results of fluid inclusions at different stages in the Jiangdong gold deposit
成矿阶段

包裹体

类型

Tm,CO2/°CTm,ice/°CTm,clath/°CTh,CO2/°CTh,total/°C

盐度

w(NaCl)]/%

密度/(g·cm-3
第Ⅰ阶段Type Ⅰ--5.38~-1.66--264~342(L/V)2.83~8.380.684~0.827
Type Ⅱ-59.7~-56.8-5.3~8.622.7~29.1275~347(L/V)2.82~8.560.767~0.969
第Ⅱ阶段Type Ⅰ-4.62~-1.52--255~318(L/V)2.60~7.330.730~0.845
Type Ⅱ-59.2~-56.75.0~9.121.2~28.7271~329(L/V)1.84~9.040.779~0.982
第Ⅲ阶段Type Ⅰ--6.86~-1.67--194~261(L/V)2.85~10.310.828~0.937
Type Ⅱ-59.8~-56.83.5~8.919.7~29.3216~271(L/V)2.24~11.230.703~0.982
第Ⅳ阶段Type Ⅰ--5.82~-1.08--157~235(L/V)1.87~8.710.853~0.963