地球物理学进展 ›› 2018, Vol. 33 ›› Issue (4): 1707-1712.doi: 10.6038/pg2018BB0271

• 应用地球物理学Ⅱ(海洋、工程、环境、仪器等) • 上一篇    下一篇

深度视电阻率成像在航空瞬变电磁法探测矿体的研究及应用

王笠洁1,龚育龄1,*(),杨海燕1,骆燕2,3,王培建2,3   

  1. 1. 东华理工大学地球物理与测控技术学院,南昌 330013
    2. 核工业航测遥感中心,石家庄 050002
    3. 铀资源地球物理勘查技术中心重点实验室,石家庄 050002;
  • 收稿日期:2017-10-16 修回日期:2018-06-03 出版日期:2018-08-20 发布日期:2018-09-14
  • 通讯作者: 龚育龄 E-mail:ylgong@ecit.cn
  • 作者简介:王笠洁,女,1991年生,硕士研究生,地质资源与地质工程专业,研究方向为地球探测与信息技术.(E-mail: 2568907018@qq.com)
  • 基金资助:
    国家自然科学基金项目(41674077)

Research and application of RDI in detecting orebody by aeronautical transient electromagnetic method

WANG Li-jie1,GONG Yu-ling1,*(),YANG Hai-yan1,LUO Yan2,3,WANG Pei-jian2,3   

  1. 1. East China University of Technology, School of Geophysics and Measurement-Control Technology(SGMT), Nanchang 330013,China
    2. Airborne Survey and Remote Sensing Center of Nuclear Industry, Shijiazhuang 050002, China
    3. Key Laboratory of Uranium Resources Geophysical Exploration Technology, China NuclearIndustry Group Company, Shijiazhuang 050002, China;;
  • Received:2017-10-16 Revised:2018-06-03 Online:2018-08-20 Published:2018-09-14
  • Contact: Yu-ling GONG E-mail:ylgong@ecit.cn

摘要:

深度视电阻率成像是航空瞬变电磁法中数据处理及分析的重要过程,能够提供具有参考价值的导体深度、垂向延伸等信息,并能准确提供每条航空瞬变电磁测量系统测线上的一维层状介质视导电率结构断面.而航空瞬变电磁法作为一种先进的地球物理勘探技术,近年来在国外多金属矿产勘查中应用效果显著.本文简要介绍了视电阻率的分析处理方法,以几组不同导体的MAXWELL板状模型为例,计算一维视电阻率深度,得到直观的视电阻率深度成像图.此项技术首次在黄土坡矿床开展测量试验的处理中,获得良好的效果,加快了航空瞬变电磁法的处理工作进程.

关键词: 航空瞬变电磁法, RDI, 视电阻率, 新疆黄土坡

Abstract:

The RDI is an important process for data processing and analysis in aeronautical transient electromagnetic methods, providing information on conductor depths and vertical extensions with reference values and accurate information on each aeronautical transient electromagnetic measurement system of the one-dimensional layered dielectric as the conductive structure of the cross-section. Airborne transient electromagnetic, as the advanced geophysical prospecting technology, has significant effect application in polymetallic mineral exploration in oversea countries.The apparent resistivity is calculated, and the RDI is obtained using the one-dimensional apparent resistivity depth calculated by Meju. RDI has a good result in the application of airborne transient electromagnetic measurement experiment in Huangtupo, and it will speed up the process of airborne transient electromagnetic processing.

Key words: airborne transient electromagnetic method, RDI, apparent resistivity, Xinjiang Huangtupo

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