The main gold-carrying minerals are pyrite,chalcopyrite and telluride.The best gold-carrying rock is the biotite-albit schist.
主要的载矿物有矿、铁矿、碲铋矿，含好的岩石类型为只云母钠长片岩。
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The oldest of these is a black rock known as Vishnu Schist.
其中最古老的是一为毗湿奴片岩的黑色岩石。
The temperature remained what it had been during our passage through the lava and schists.
温度保持在我们穿过熔岩和片岩的温度。
In this eastern gallery made up of lavas, schists, and coal, we have not met with a single particle of moisture.
在这个由熔岩、片岩和煤炭组成的东部走廊里，我们没有过一粒湿气。
I even thought I glimpsed Mt. Sarmiento, whose elevation is 2,070 meters above sea level: a pyramid-shaped block of shale with a very sharp summit.
我好像是望见了萨眠图山，这山高出海面两千零七十米，是金字塔形的片岩形成的山，峰顶很尖。
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划词翻译
详细解释
矿物有
矿、铁矿、
碲铋矿，含
好的岩石类型为只云母钠长片岩。
为毗湿奴
过一粒湿气。
