闽北地区萤石矿综合信息找矿方法研究
投稿时间:2021-12-02  修订日期:2022-04-05  点此下载全文
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栗克坤 中化地质矿山总局河南地质局 450011
商朋强 中化地质矿山总局 
韩志坤 中化地质矿山总局河南地质局 
王春连 中国地质科学院矿产资源研究所
中国地质科学院矿产资源研究所 
焦森 中化地质矿山总局 
王桂香 中化地质矿山总局河南地质局 
袁昌盛 中化地质矿山总局河南地质局 
张青松 中化地质矿山总局河南地质局 
刘增政 中化地质矿山总局河南地质局 
闫晓博 中化地质矿山总局河南地质局 
范亚洲 华北水利水电大学地球科学与工程学院 
蒋济勇 中化地质矿山总局河南地质局 
靳乾峰 中化地质矿山总局河南地质局 
基金项目:中国地质调查局“江西赣南-福建浦城地区战略性萤石硼资源调查(编号:DD20190816)”项目资助。第一
中文摘要:福建邵武地区是闽北地区重要的萤石矿成矿远景区,具有寻找隐伏—半隐伏萤石矿的潜力,但目前该区隐伏—半隐伏萤石矿找矿成果较少。通过对福建邵武地区张厝萤石矿预测区开展物化探综合信息找矿方法应用研究,探讨物化探综合信息找矿方法在隐伏-半隐伏萤石矿找矿中的应用效果。结果表明:区域水系沉积物测量和大比例尺化探剖面测量圈出的F、Ca等综合异常信息可协助筛选、确定萤石矿找矿目标区;高精度磁法测量、视电阻率联合剖面测量可进一步判断萤石矿控矿构造的位置和规模;可控源大地音频电磁测深可协助确定控矿构造的深部延伸情况。地表检查和钻探深部验证表明:区域化探、高精度磁测、视电阻率联合剖面和可控源大地音频电磁测深等物化探综合信息找矿方法组合可指导隐伏—半隐伏萤石矿找矿工作。
中文关键词:萤石矿  视电阻率联合剖面测量  可控源大地音频电磁测深  闽北邵武地区
 
comprehensive information prospecting method of fluorite deposits in Northern Fujian
Abstract:Shaowu county is an important fluorite deposits metallogenic prospective area in north Fujian Province, with great potential ofprospecting the concealed-semi-concealed fluorite deposits. But,until now, the exploration of this kind of fluorite deposits is not effective in this area. In this paper, the authors discussed the combination of effective geophysical and geochemical prospecting methods in exploration of these fluorite deposits in No. Zhang cuoprospectivearea in Shao wu area.The results show that the integrated elemental anomalies (e.g. F. Ca), through regionalstream sediments and large-scale geochemical exploration,can be used to screen and confirm the prospecting target area of fluorite deposits.The combination of high precisionmagnetic survey and apparent resistivity joint section can further determine the location and scale of the controlling structure of fluorite deposits.Besidesthe Controlled Source Audio Magnetotelluric methodcan ascertain the deep extension of ore-controlling structures.The integrated information of geophysicaland geochemical prospecting, such as regional geochemical prospecting, high precision magnetic survey,apparent resistivity joint section and Controlled Source Audio Magnetotelluric method can be used to detect the concealed - semi-concealedfluorite deposits.
keywords:fluorite deposits  apparent resistivity joint section  Controlled Source Audio Magnetotelluric method  Shaowu area of North Fujian
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