... 块状构造 massive structure 块状硫化物 massive sulfides 沥青铀矿 massive uraninite ...
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The massive sulfides related to felsic volcanic rocks in the back-arc and island arc environments have higher content of gold. According to a vast amount of geo chemical research...
通常形成于弧后或岛弧环境下的同长英质火山岩有关的块状硫化物中的金含量较高。
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