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青海省兴海县赛什塘铜矿的斑岩型矿化特征及其找矿前景
引用本文:卫岗,张普斌,李宏录,张尊侠.青海省兴海县赛什塘铜矿的斑岩型矿化特征及其找矿前景[J].矿物岩石地球化学通报,2012,31(5):510-515.
作者姓名:卫岗  张普斌  李宏录  张尊侠
作者单位:1. 中国地质大学(北京),北京100083;青海省有色地勘局地质矿产勘查院,西宁810007
2. 有色金属矿产地质调查中心,北京,100012
3. 青海省有色地勘局地质矿产勘查院,西宁,810007
基金项目:全国危机矿山接替资源勘查项目(200563033)
摘    要:青海省兴海县赛什塘铜矿床中局部具斑岩型矿化的特征,该矿区中酸性侵入岩发育并具明显的多期次和多类型.该类铜矿化发生于中-酸性岩浆侵入活动末期的闪长玢岩、花岗闪长斑岩、斜长花岗斑岩、石英斑岩、爆破角砾岩中,围岩蚀变强烈且具分带性.加强对蚀变闪长玢岩、花岗闪长斑岩、斜长花岗斑岩、石英斑岩、爆破角砾岩发育地段的找矿工作,有望实现本区找矿新突破.

关 键 词:赛什塘铜矿床  岩浆  蚀变分带  斑岩型矿化  找矿勘探

Characteristics and Prospective of the Porphyry Cu Mineralization in the Saishitang Cu Deposit,Xinghai,Qinghai,China
WEI Gang , ZHANG Pu-bin , LI Hong-lu , ZHANG Zun-xia.Characteristics and Prospective of the Porphyry Cu Mineralization in the Saishitang Cu Deposit,Xinghai,Qinghai,China[J].Bulletin of Mineralogy Petrology and Geochemistry,2012,31(5):510-515.
Authors:WEI Gang  ZHANG Pu-bin  LI Hong-lu  ZHANG Zun-xia
Institution:1.China University of Geosciences(Beijing),Beijing 100083,China;2.China Non-ferrous Metal Resource Geological Survey,Beijing 100012,China;3.Mineral Resource Exploration Center of Qinghai Bureau of Nonferrous Metal Geology and Exploration,Xining 810007,China
Abstract:The Saishitang Cu deposit,which locates in Xinghai,Qinghai,has features of porphyry copper mineralization.The deposit area contains multi stages and various types of intermediate-acidic intrusive bodies.The Cu mineralization of the Saishitang deposit occurred mainly in diorite porphyrite,granodiorite porphyry,plagioclase granite porphyry,quartz porphyry,and explosion breccias at the end of the intermediate-acidic magmatic activities.Host-rock alterations are strongly developed with zonations.A breakthrough on copper exploration in this deposit area may have achieved if more attentions on the prospecting alteration zones of diorite porphyrite,granodiorite porphyry,plagioclase granite porphyry,quartz porphyry,and explosion breccias were paid.
Keywords:Saishitang copper deposit  magma  alteration  porphyry Cu mineralization  prospecting
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