经火山

经火山经火山
  1. 由此确定本矿床系后成中低温热液铀矿床,成矿物质主要来源于基底岩石,经重熔的火山岩浆富集后提供成矿。

    Metallogenetic material was mainly derived from basement rocks , and provided to form ore deposit through enrichment by remelted volcanic magma .