At a surface exposure the host rock dips steeply to the east.
在一个露头处，含矿主岩向东陡倾。
Two mica schists are considered to be the source bed and host rock of gold.
二云母片岩不仅是矿源层，而且还是赋矿围岩。
Different cryptoexplosion breccia is the host rock of the gold deposit.
隐爆角砾岩型金矿是国内外一种具有重要经济价值的矿床类型。
Different cryptoexplosion breccia is the host rock of the gold deposit.
隐爆角砾岩型金矿是国内外一种具有重要经济价值的矿床类型。
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