IGGCAS OpenIR  > 页岩气与地质工程院重点实验室
Research on resolving ability of deep subsurface targets from mine roadway using CSAMT method
Gao Ya1,2,3,4; Di QingYun1,2,3,4; Fu ChangMin1,2,3,4; Lei Da1,2,3,4
2019-09-01
Source PublicationCHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
ISSN0001-5733
Volume62Issue:9Pages:3591-3600
AbstractThe rapid development of Chinese economy has led to increase in the demand for mineral resources, while surface and shallow minerals are currently decreasing. Therefore, it is important to explore for new blind ore bodies at depth. The Controlled Source Audio-frequency Magnetotelluric Method (CSAMT) has been highly effective in geophysical prospecting with wide detection range and high resolution. However, CSAMT prospecting for deep subsurface mineral resources in mining areas is subjected to different types of strong electromagnetic interference. Due to the limitation in data resolution at depth, the effective application of CSAMT in mining areas is greatly affected. To solve this problem, this work attempts to place the CSAMT acquisition array system in the roadway, making the receiver system closer to the underground target or passing through different geological boundaries. The proposed array is expected to improve the accuracy of target identification and increase the efficiency and success rate of deep resources exploration. The forward modeling of different types of geological bodies based on the integral equations, and analysis of the CSAMT response characteristics for the different models at different depths are performed. The results obtained from the integral equations are validated by two-dimensional modeling results from MARE2DEM. The results show that in anoise-free environment, although the electromagnetic field signal received in the roadway is weaker than that recorded on the surface, its resolution to the deep blinded ore body or target is better.
KeywordRoadway receiving CSAMT Integral equation method Forward modeling MARE2DEM Resolution
DOI10.6038/cjg2019N0060
Language英语
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000495040900029
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95718
Collection页岩气与地质工程院重点实验室
Corresponding AuthorDi QingYun
Affiliation1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
4.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences;  Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences;  Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Gao Ya,Di QingYun,Fu ChangMin,et al. Research on resolving ability of deep subsurface targets from mine roadway using CSAMT method[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2019,62(9):3591-3600.
APA Gao Ya,Di QingYun,Fu ChangMin,&Lei Da.(2019).Research on resolving ability of deep subsurface targets from mine roadway using CSAMT method.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,62(9),3591-3600.
MLA Gao Ya,et al."Research on resolving ability of deep subsurface targets from mine roadway using CSAMT method".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 62.9(2019):3591-3600.
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