世界有色金属2023年7月下182广西苍梧县庆安矿区土壤地球化学特征及找矿潜力分析刘振挺(福建省闽西地质大队,福建三明365000)摘要:庆安金矿赋存于寒武系黄洞口组浅变质碎屑岩北东向构造破碎带中,与石英脉、黄铁矿关系较密切。与相邻的板山金矿床①有着相似的成矿地质背景和成因类型。区内开展了1∶1万土壤地球化学测量工作,圈定金异常带2处,异常带与构造破碎带呈北东走向相互套合,认为广西庆安Au异常与控矿断层关系密切,推测广西庆安异常具有寻找构造岩型金矿的找矿前景。关键词:地球化学;找矿潜力;广西庆安;金矿中图分类号:P618.2文献标识码:A文章编号:1002-5065(2023)14-0182-3AnalysisofsoilgeochemicalcharacteristicsandprospectingpotentialinQing'anminingarea,CangwuCounty,GuangxiLIUZhen-ting(FujianProvinceFujianWestGeologicalBrigade,Sanming365000,China).Abstract:Qing'angoldoreisdepositedinthenorth-easttectonicfracturezoneofshallowmetamorphicclasticrocksoftheHuangdongkouFormationoftheCambriansystem,andiscloselyrelatedtoquartzveinsandpyrite.IthasasimilarmetallogenicgeologicalbackgroundandgenesistypetotheadjacentBanshanGoldDeposit(1).The1∶10,000soilgeochemicalsurveyworkwascarriedoutinthearea,and2goldanomalouszonesweredelineated,andtheabnormalzoneandthetectonicfracturezonewereintertwinedinanorth-easttrend,anditwasbelievedthattheGuangxiQing'anAuanomalywascloselyrelatedtotheorecontrolfault,anditwasspeculatedthattheGuangxiQing'ananomalyhadprospectingprospectsforfindingtectonicrock-typegolddeposits.Keywords:Geochemistry;Prospectingpotential;Qing'anguangxi;Goldmine收稿日期:2023-05作者简介:刘振挺,男,生于1983年,汉族,江西赣州人,本科,工程师,研究方向:矿产资源勘查。庆安矿区位于广西大瑶山成矿带,其外围陆续发现了多处的金矿点,如龙珠口矿点②、西六洞矿点②,为能尽快发现庆安矿区覆盖层下方的隐伏金矿床,对区内开展了1:1万土壤地球化学测量工作,发现金异常2处,异常较强,出现明显的浓集分带,与北东向构造破碎带相互套合,相互吻合。从而为区内进一步开展找矿工作提供了依据。1区域地质背景广西庆安矿区区域上出露地层主要为震旦系变质火山岩、千枚岩、板岩、变质碳酸盐岩及变质含砾砂泥质岩,寒武系碎屑岩、复理石建造及泥盆系陆...