金厂沟梁金矿区中与成矿伴生的暗色脉岩主要是细晶闪长岩石英闪长岩、闪长玢岩英安斑岩类。
The dark dikes associated with mineralization in the Jinchanggouliang mine area, are mostly fine diorite-quartz diorites and diorite porphyrite-dacite porphyries.
三岔口铜矿含矿主岩为海西中期石英闪长岩—闪长岩体边缘相石类闪长（玢）岩和英云闪长斑岩。
The mother rocks of copper deposit in Sanchakou are quartz diorite(porphyrite)and quartz-mica-diorite-porphyrite of marginal facies from quartz-diorite and diorite rock body of middle Hercynian.
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