Used of minerals or stone in its natural state and place; not mined or quarried.
处在自身的自然状态和位置；没有被开采或者挖掘。
Conflict Minerals: Any amount of tin, tantalum, tungsten or gold, regardless of where it is mined.
冲突矿产：指在任何地方开采出的任何含量的锡、钽、钨或金。
The research results may be of value to mining of rock salt or other minerals to be mined by solution.
研究的结果可为岩盐开采和其他水溶法矿物开采提供参考。
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