微动技术在登科地区深部找矿中的应用效果研究  

Application Results Study of Micro Motion Technology on Deep Section Mineral Exploration in Dengke Region

作　　者：葛红旗 王洪 朱钦银 GE Hongqi;WANG Hong;ZHU Qinyin(Physical and Chemical Exploration Corps,Non-ferrous Metals and Nuclear Industry Geological Exploration Bureau of Guizhou,Guiyang,Dujun 558000,China)

机构地区：[1]贵州省有色金属和核工业地质勘查局物化探总队,贵州都匀558000

出　　处：《云南冶金》2024年第4期21-29,共9页Yunnan Metallurgy

基　　金：新一轮找矿突破战略行动《贵州省瓮安县登科磷矿普查》基金编号(黔自然资函[2022]632号-附23号)。

摘　　要：为开拓深部找矿新方法,特引入地球物理探测新技术-微动,并探索分析其应用效果。首先介绍微动探测方法原理和数据采集与处理,其次在CSAMT推测的建议钻孔位置开展微动勘探工作,分析单点频散曲线特征,识别深部地层界面;最后根据钻孔验证结果,综合对比CSAMT和微动勘探在深部重点地层界面识别效果。结果显示,微动勘探识别深部层界面效果明显,CSAMT联合微动技术可以提高物探解译的精准度。New technology for geophysical exploration-micro motion was brought in to explore new methods for deep section mineral exploration and analyze its application results.The principle of micro-motion detection method and data acquisition and processing are adopted,secondly,fretting exploration was carried out at the proposed drill hole location speculated by CSAMT,the characteristics of single-point dispersion curves were analyzed to identify the deep stratigraphic interfaces;Finally,according to the boreholes verification results,the identification effect of CSAMT and micro-motion exploration in the interface of deep key strata is comprehensively compared.The results show that the micro-motion exploration has a significant effect on identifying the deep layer interface,and the CSAMT combined with the micro-motion technology can improve the accuracy of geophysical exploration.

关 键 词：微动技术 ESPAC法 频散曲线 深部地层界面 识别效果 

分 类 号：TD263[矿业工程—矿井建设]