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首页> 外文会议>Chinesee science bulletin >Erentaolegai silver deposit in Inner mongolia as an example of epithermal deposit
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Erentaolegai silver deposit in Inner mongolia as an example of epithermal deposit

机译：内蒙古的Erentaolegai银矿床为超热矿床的一个例子

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Erentaolegai silver deposit is located to the west bank of Kelulun river in the Xibarhuyou Banner, south-west of Manzhouli. The geotectonic is the joint of Hailar basin and Manzhouli-Xinbarhuyou Bnner's volceanic mole track. The stratas in the mining ear are upper Jurassic Tamolangou formation and Shangkuli formation: the former consists of andesite mainly and the latter is divided into three parts from top to bottom, namely rhyolite, decite, trachyte. The types of igeous rock in the mining area are granite and quartz porphyry, both with age (120+-6) Ma as determined by the Rb-Sr isochron. The principal structures in the mining areas are faults, trending SN, NW, NE, mainly SN. The ore bodies are controlled by faults. It is a large-scale silver deposit found recently. Many years' research shows that it is a silver epithermal deposit. Table 1 lists a comparison with the typical silver epithermal deposits.
机译：Erentaolegai银矿床位于满洲里西南部Xibarhuyou Banner的Kelulun河西岸。大地构造是海拉尔盆地与满洲里—新巴胡尤·本纳的火山泥mole轨道的交汇处。采耳地层为上侏罗统塔莫兰沟组和上库里组：前者主要由安山岩组成，后者从上到下分为流纹岩，分枝岩，曲折岩三部分。矿区的硬质岩类型为花岗岩和石英斑岩，两者的年龄均由（Rb-Sr）等时线确定，年龄为（120 + -6）Ma。矿区的主要构造是断层，趋势为SN，NW，NE，主要是SN。矿体受断层控制。这是最近发现的大型银矿。多年的研究表明，它是银的超热矿床。表1列出了与典型的银超热沉积物的比较。

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