音频大地电磁法和氡气测试在某地热勘察中的应用  

Application of Audio-frequency Magnetotelluric Method and Radon Testingin a Certain Geothermal Investagation

作　　者：李彬 冯连军 沈伟新 Li Bin;Feng Lianjun;Shen Weixin(Sichuan Institute of Geological Engineering Investigation Group Co.,Ltd;The First Geological Brigade of Sichuan Bureau of Geology&Mineral Resources)

机构地区：[1]四川省地质工程勘察院集团有限公司,成都市610072 [2]四川省地质局第一地质大队,成都市610072

出　　处：《勘察科学技术》2024年第4期59-64,共6页Site Investigation Science and Technology

摘　　要：近年来,音频大地电磁法和土壤氡气测试,在大深度地质及区域构造调查领域内取得了优异的勘探效果。该文介绍了应用音频大地电磁法和氡气测试法两种手段对川西某地热构造进行探测的实例,通过数据处理及解译,综合分析判断,查明了该岩浆岩地区地热分布情况,经钻探验证,成功开采出地热水。该实例表明,音频大地电磁法和氡气测试法,在地热勘察中具有较高的实用和推广价值。In recent years,audio-frequency magnetotelluric(AMT)method and soil radon testing have achieved excellent exploration results in the field of large-deepth geological and regional tectonic investigation.This paper introduces a comprehensive application of these two methods to detect a geothermal structure in western Sichuan Province.Through data processing and interpretation,comprehensive analysis and judegment,the geothermal distribution in the magmatic rock area is identified.After drilling verification,geothermal water is successfully mined.Practice has shown that audio-frequency magnetotelluric method and radon testing method have high practical and popularization value in geothermal exploration.

关 键 词：音频大地电磁法 土壤氡气测试 岩浆岩 地热勘探 地质构造 

分 类 号：P314[天文地球—固体地球物理学] P631.325[天文地球—地球物理学]