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新疆哈密红石铜矿控矿构造研究
Research on the ore-control structure in Hongshi copper deposit at Hami,Xinjiang
【摘要】 红石铜矿是一个新近发现并勘查的超大中低温火山热液型铜矿床。文章通过对矿区构造特征、控矿构造形式的研究,阐述了红石铜矿的控矿构造主要表现为:矿区的EW-NWW向、SN向断裂是控岩(火山岩)控矿构造;断裂构造类型、活动方式控制着矿脉(体)形态、矿石组构;成矿期后构造叠加改造强烈,NE-NEE向断裂构造是破矿断裂;构造应力场方向为成矿前期近SN向挤压,主成矿期为NNE向,成矿期后变为近SN向。
【Abstract】 Hongshi copper deposit is a super large epithermal-mesothermal volcanic deposit.This paper deals with structural characteristics of the prospecting area and the ore-control structure pattern.In the area faults extending in EW-NWW,SN direction control the volcanics and type and movement pattern of the faults control morphology of ore veins and fabrics of the ore.The post ore structural movement is strong.NE-NEE fault destroys ore bodies.The pre-ore structural stress field extends in SN direction,the syn-ore structural stress field in NNE direction,the post-ore structural stress field in SN direction.
【Key words】 Hongshi copper deposit; ore-control structure; ore-control pattern; metallogenic process; Xinjiang;
- 【文献出处】 地质找矿论丛 ,Contributions to Geology and Mineral Resources Research , 编辑部邮箱 ,2014年02期
- 【分类号】P618.41
- 【被引频次】3
- 【下载频次】116