西北地质2024，Vol.57Issue(4)：135-143,9.DOI:10.12401/j.nwg.2024051
物化探综合找矿方法在内蒙古喀喇沁旗大西沟萤石矿找矿中的应用
Application of Comprehensive Geophysical and Geochemical Exploration Method in the Daxigou Fluorite Deposit,Kalaqin banner,Inner Mongolia
摘要
Abstract
In order to test the effectiveness of fluorite mineralization prospecting,we conducted geological sur-vey,1∶50 000 stream sediment survey,1∶10 000 soil geochemical profile,1∶10 000 high-precision magnet-ic survey,1∶10 000 high-density resistivity profile and 1∶10 000 resistivity profile in the Daxigou hydrother-mal fissure filling fluorite deposit of Inner Mongolia.The results show that the 1∶50 000 stream sediment sur-vey can reduce the target area of prospecting.The geophysical exploration combination of high-precision mag-netic survey,high-density resistivity and apparent resistivity profile can effectively detect the spatial extension and scale of surface ore-controlling faults.In addition,the high F anomalies in the soil geochemical profile can effectively identify the mineralization potential of the fault structure.By applying the combined geophysical and geochemical exploration techniques to the periphery of the Daxigou deposit,it is suggested that the ore-control-ling structure extends to the northwest of more than 1 000 m to the north of Huajianggou Village and two miner-alized outcrops were found on the surface.On the basis of the surface trough exploration,it is revealed that the shallow surface ore body reached the industrial scale,which provided guidance for deep exploration in the peri-phyry.Furthermore,the here untilized exploration methods can provide some reference for prospecting of re-gional hydrothermal fissure filling fluorite deposits.关键词
大西沟/萤石矿/物化探/应用Key words
Daxigou/fluorite/geophysical and geochemical exploration/application分类
天文与地球科学引用本文复制引用
张成信,任永健,金松,魏龙飞,王艳超,赵寒,代小光..物化探综合找矿方法在内蒙古喀喇沁旗大西沟萤石矿找矿中的应用[J].西北地质,2024,57(4):135-143,9.基金项目
河北省战略性关键矿产研究协同创新中心开放基金课题"冀北隆化-围场一带萤石矿成矿规律研究及勘查标识体系探索"(HGUXT-2023-3),中国地质调查局项目"东部地区硼磷萤石等重要非金属矿产调查"(DD20160057)、"内蒙古喀喇沁旗大西沟一带萤石矿资源调查"(DD20160057-07)联合资助. （HGUXT-2023-3）
