quartz diorite porphyrite 石英闪长玢岩
quartz-mica-diorite porphyrite 英云闪长玢岩
diorite porphyrite 闪长玢岩
quartz syenite diorite porphyrite 石英正长闪长玢岩
Quartz diorite-porphyrite body is large in scale, and closely related with Cu mineralization.
石英问长玢岩规模较大者，与铜矿化和其他矿化关系密切。
The upper intercept age is the age of relict zircon, while the lower intercept age represents the formation age of diorite-porphyrite.
上交点年龄为残余锆石年龄，下交点年龄大致代表了闪长玢岩的形成时代。
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.
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。
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