南秦岭二台子含金角砾岩地质特征及成因探讨

Xiao-zhao WEI,Tao REN, Jian-ping WANG, Zheng-hui DUAN

Mineral Exploration(2017)

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Abstract
二台子金矿床是秦岭泥盆系中一种特殊的角砾岩型中型金矿床,矿床位于南秦岭镇安华力西褶皱带中段小磨岭—磨沟峡复式背斜南翼,金矿体主要赋存在中泥盆统古道岭组中上部及其与星红铺组界面处的含金角砾岩中.通过观察和研究矿区含金角砾岩的地质特征,认为区内(含金)角砾岩为海底喷气、喷液角砾岩,主要形成于沉积—成矿期,并受到后期构造、热液作用的改造,是同生断裂及其与之相伴生的海底喷气、喷液及热水沉积作用的产物.
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