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通过对火山岩、对面沟花岗（斑）闪长岩和金矿石的稀土元素组成及分布模式的研究对比，表明成矿物质来源于二道沟的火山岩系，成矿热液来源于沿火山岩中裂隙下渗的被加热的大气降水来源的地下水，是一典型的浅成低温热液型金矿床
The comparison and analysis of the REE composition and distribution patterns of volcanic rocks, pluton-granite (plaque) diorite and gold ore indicate that the ore-forming materials originate from the volcanic rocks of Erdaogou, and the hydrothermal fluids originate from the volcanic rocks Groundwater infiltrated by fissures is a typical epithermal gold deposit