第44卷第6期2022年12月甘肃冶金GANSUMETALLURGYVol.44No.6Dec.,2022文章编号:1672⁃4461(2022)06⁃0094⁃06甘肃瓜州大庙金矿地质特征及找矿标志洪栋栋1,张志旺2(1.甘肃智广地质工程勘察设计有限公司,甘肃兰州730000;2.中国建筑材料工业地质勘查中心甘肃总队,甘肃天水741000)摘要:大庙金矿位于北山南带西段,塔里木板块东段,为塔里木地台与北山古生代褶皱带的衔接部位。金矿体的形成受白墩子-石板墩韧性剪切带西部的平梁东韧性剪切带控制,主要产于前长城系敦煌岩群黑色二云母石英片岩和早三叠世闪长岩中,碎裂闪长岩及花岗闪长岩脉是重要的找矿标志,褐铁矿化、硅化、高岭土化是找金的直接标志。关键词:金矿;地质特征;找矿标志;大庙中图分类号:P618.51文献标识码:AGeologicalCharacteristicsandProspectingCriteriaofGoldDepositinDamiaoGold,Guazhou,GansuProvinceHONGDong⁃dong1,ZHANGZhi⁃wang2(1.GansuZhiguangEngineeringSurverandDesignCo.Ltd.,Lanzhou730000,China;2.GeologicalExplorationintheChineseBuildingMaterialsCenterTeaminGansuProvince,Tianshui741000,China)Abstract:DamiaogolddepositislocatedinthewesternsectionofBeishanSouthernbeltandtheeasternsectionofTarimplate,whichisthejunctionofTarimplatformandBeishanPaleozoicfoldbelt.Theformationofthegoldorebodyiscon⁃trolledbytheeastPingliangductileshearzoneinthewestofBaidunzi⁃Shibandunblockductileshearzone,whichmainlyoc⁃cursintheblacktwo⁃micaquartzschista...