The cement anthraxolite and the squama anthraxolite are most important to this deposit.
浸染状碳沥青多属沉积碳沥青,对矿床形仅起一定还沉淀作用。
The cement anthraxolite and the squama anthraxolite are most important to this deposit.
浸染状碳沥青多属沉积碳沥青,对矿床形仅起一定还沉淀作用。
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