湘东北热液型钴矿床中含钴矿物特征及其对成矿的指示意义

宁钧陶,黄宝亮,董国军,周岳强,高卓龙,康博

Characteristics of Cobalt-bearing Minerals in Hydrothermal Cobalt Deposits in Northeastern Hunan Province and Their Implication for Mineralization

Juntao NING,Baoliang HUANG,Guojun DONG,Yueqiang ZHOU,Zhuolong GAO,Bo KANG

表1 横洞矿区黄铁矿EPMA分析结果

Table 1 EPMA results of pyrite from the Hengdong deposit（%）

分析点号 S Fe Co Ni As Se Sb Pb 总计 D01 51.77 47.90 0.25 0.01 0.26 0.10 0.02 0.03 99.93 D02 52.17 47.65 0.47 0.09 0.12 0.03 - 0.01 100.38 D03 52.05 44.36 2.98 0.01 0.33 0.03 0.02 0.01 99.40 D04 51.99 44.52 2.55 - 0.24 0.03 0.07 0.01 99.07 D05 51.33 46.18 1.92 - 0.25 0.11 0.01 0.01 99.43 D06 52.39 43.79 3.41 - 0.33 0.14 0.02 0.01 99.59 D07 52.78 44.99 1.72 0.08 0.26 0.01 0.01 0.01 99.57 D08 52.61 46.98 0.20 0.02 0.19 0.02 0.01 - 99.81 D09 53.60 42.83 2.89 0.01 0.24 0.20 0.04 0.01 99.33 D10 52.74 44.26 1.79 - 0.27 0.02 - - 98.79 D11 53.02 43.91 2.89 0.01 0.28 - - - 99.83 D12 52.33 46.88 0.12 0.01 0.27 - 0.01 - 99.35 D13 53.27 42.89 3.52 - 0.19 0.02 0.02 - 99.68 D14 53.92 42.63 2.95 - 0.34 - 0.03 0.01 99.49 D15 52.14 44.29 2.70 0.03 0.26 - 0.01 0.01 99.16 D16 52.75 44.12 2.56 0.01 0.27 0.01 0.01 - 99.45 D17 52.82 44.37 2.67 - 0.32 0.01 - 0.01 99.86