2023年7月下世界有色金属95矿产资源Mineralresources江西省彭泽县郭桥砂岩型铜矿地质特征及成因探讨王天晨1,王文锋1,黄群1,柳河清2(1.江西省地质局第三地质大队,江西九江332100;2.江西省地质局第一地质大队,江西南昌330200)摘要:江西省彭泽县郭桥砂岩型铜矿位于扬子准地台、下扬子-钱塘台坳西段(长江中下游凹陷带的中西部),为江南断裂系统之九江坳陷南缘断裂带与长江深断裂带的加持部位。本文通过对郭桥砂岩型铜矿成矿特征及规律进行总结,为赣北长江中下游地区矿田分布及特征提供了新依据。关键词:砂岩铜矿;地质特征;矿床成因;郭桥铜矿中图分类号:P618.41文献标识码:A文章编号:1002-5065(2023)14-0095-3GeologicalcharacteristicsandgenesisofGuoqiaosandstone-typecopperoreinPengzeCounty,JiangxiProvinceWANGTian-Chen1,WANGWen-Feng1,HUANGQun1,LIUHe-Qing2(1.TheThirdGeologicalBrigadeofJiangxiGeologicalBureau,Jiujiang332100,China;2.TheFirstGeologicalBrigadeofJiangxiGeologicalBureau,Nanchang330200,China)Abstract:TheGuoqiaosandstonetypecopperdepositinPengzeCounty,JiangxiProvinceislocatedintheYangtzeparaplatformandthewesternsectionoftheLowerYangtzeQiantangDepression(locatedinthecentralandwesternpartsofthemiddleandlowerreachesoftheYangtzeRiverdepression).ItistheintersectionofthesouthernedgefaultzoneoftheJiujiangDepressionandthedeepfaultzoneoftheYangtzeRiverintheJiangnanfaultsystem.ThisarticleprovidesanewbasisforthedistributionandcharacteristicsoforefieldsinthemiddleandlowerreachesoftheYangtzeRiverinnorthernJiangxibysummarizingthemineralizationcharacteristicsandlawsoftheGuoqiaosandstonetypecopperdeposit.Keywords:Sandstonecopperore;Geologicalfeatures;Theoriginofmineraldeposits;GuoqiaoCopperMine收稿日期:2023-05作者简介:王天晨,男,生于1992年,汉族,江西九江人,本科,工程师,研究方向:地质调查与矿产勘查。1区域地质背景江西省彭泽县郭桥砂岩型铜矿大地构造位于扬子准地台、下扬子-钱塘台坳西段(长江中下游凹陷带的中西部),为江南断裂系统之九江坳陷南缘断裂带与长江深断裂带的夹持部位,属长江中下游铜金成矿带的东南端,是长江中下游铁铜成矿带、大冶成矿亚带的重要组成部分[1]。区内基底为双桥山群复理石建造,主要为一套浅变质的...