湘东北正冲金矿床成因:年代学和硫同位素制约
吴华浩,邵拥军,刘清泉,王智琳,张毓策,袁梓焜

Genesis of the Zhengchong Gold Deposit in Northeast Hunan—Constraints from Geochronology and In-situ Sulfur Isotope
Huahao WU,Yongjun SHAO,Qingquan LIU,Zhilin WANG,Yuce ZHANG,Zikun YUAN
表4 正冲金矿床绢云母原位Rb-Sr同位素测试结果
Table 4 In-situ Rb-Sr isotopes test results of sericite in Zhengchong gold deposit
成矿阶段87Rb/86Sr±1s87Sr/86Sr±1s
石英—黄铁矿—自然金阶段16.4580.9150.8140.005
17.0950.2530.8170.006
17.5260.7560.8110.005
19.5771.3760.8160.007
23.6090.8430.8250.007
19.7250.4160.8200.005
21.8800.6530.8300.008
31.1390.7860.8450.009
23.2100.6710.8130.008
27.0850.7540.8320.013
31.9051.2930.8510.010
24.5941.5520.8440.016
25.6242.2830.8500.008
18.5470.4250.8030.006
20.0720.5560.8170.006
19.8580.7930.8230.009
44.9921.4130.8910.012
45.7782.3750.9150.017
16.8350.7400.8120.005
31.7800.7280.8610.010
14.9590.9640.8130.012
70.9530.1400.9760.004
36.2661.0350.8900.018
26.3950.6880.8540.007
31.4720.7610.8500.008
石英—黄铁矿—毒砂多金属硫化物阶段33.4240.9640.8830.010
31.2540.9810.8760.007
28.2071.6550.8580.008
33.5390.8230.8810.010
36.4990.9970.8830.009
70.4942.5910.9960.013
67.2042.5280.9670.013
81.8454.5801.0280.022
33.0161.2460.8480.013
66.1802.8150.9740.020
59.6091.6680.9430.020
97.5670.1901.0700.006