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黑龙江团结沟金矿床流体包裹体研究及矿床成因

, PP. 171-178

Keywords: 金矿床,流体包裹体,矿床成因,黑龙江

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Abstract:

对团结沟金矿床赋矿岩体石英斑晶及矿石中玉髓状石英内发育的原生流体包裹体进行了系统研究,结果表明,赋矿岩体石英斑晶中主要发育含子矿物三相、气液两相、纯液相等类型包裹体,而矿石玉髓状石英中主要发育气液两相包裹体。测温结果显示成矿流体温度为130~370℃,盐度2~10wt%NaCl;与赋矿岩体石英斑晶中发育的气液两相包体温度、盐度范围相近,结合成分及氢氧同位素特征,认为成矿流体主要来自岩浆热液及大气降水,矿床成因属与中酸性斑岩侵入活动有关的中低温浅成热液金矿床。

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