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1矿田地质背景相山矿田位于赣杭火山岩带西南端的一个上侏罗系中酸性火山塌陷盆地(或称破火山口)内。相山破火山口,是一个发育于前寒武系褶皱基底上的上侏罗系的中心式火山口塌陷而成的。破火山口呈东西向的椭圆形,面积约300km2。
1 Geological background of the ore field Xiangshan ore field is located in the upper Jurassic intermediate-acid volcanic collapse basin (or caldera) at the southwestern end of the Gan-Hang volcanic belt. The Xiangshan caldera is a subterranean Jurassic central crater developed on the Precambrian folds. Caldera was oval-shaped east-west, an area of about 300km2.