The cement anthraxolite and the squama anthraxolite are most important to this deposit.
浸染状碳沥多属于原生沉积碳沥,对矿床形成仅起一定还原沉淀作用。
The cement anthraxolite and the squama anthraxolite are most important to this deposit.
浸染状碳沥多属于原生沉积碳沥,对矿床形成仅起一定还原沉淀作用。
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