The Pre-cambrian alumino-siliceous slate is the host rock of antimony deposit inHunan. 湖南前寒武系的硅鋁質(zhì)板巖是銻礦主要賦礦巖性。
The ore structure of Daling Mine is complex in Jilin Nickel Industry Corporation, it is typical low grade difficulty mining deposit. 吉林鎳業(yè)公司大嶺礦礦巖結構復雜，為典型的低品位難采礦床。
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