{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T17:16:11Z","timestamp":1770138971471,"version":"3.49.0"},"reference-count":49,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T00:00:00Z","timestamp":1704067200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Key R&amp;D Program of China","award":["2021YFB3900201"],"award-info":[{"award-number":["2021YFB3900201"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Three-dimensional resistivity\/chargeability tomography based on distributed data acquisition technology is likely to provide abundant information for mineral exploration. To realize true 3D tomography, establishing transmitter sources with different injection directions and collecting vector signals at receiver points is necessary. We implemented 3D resistivity\/ chargeability tomography to search for new ore bodies in the deep and peripheral areas of Huaniushan, China. A distributed data acquisition system was used to form a vector receiver array in the survey area. First, by using the expanding gradient array composed of 11 pairs of transmitter electrodes, we quickly obtained the 3D distributions of the resistivity and chargeability of the whole area. Based on the electrical structure and geological setting, a NE-striking potential area for mineral exploration was determined. Next, a pole\u2013dipole array was employed to depict the locations and shapes of the potential ore bodies in detail. The results showed that the inversion data for the two arrays corresponded well with the known geological setting and that the ore veins controlled by boreholes were located in the low-resistivity and high-chargeability zone. These results provided data for future mineral evaluation. Further research showed that true 3D tomography has obvious advantages over quasi-3D tomography. The expanding gradient array, characterized by a good signal strength and field efficiency, was suitable for the target determination in the early exploration stage. The pole\u2013dipole array with high spatial resolution can be used for detailed investigations. Choosing a reasonable data acquisition scheme is helpful to improve the spatial resolution and economic efficiency.<\/jats:p>","DOI":"10.3390\/rs16010186","type":"journal-article","created":{"date-parts":[[2024,1,1]],"date-time":"2024-01-01T13:02:58Z","timestamp":1704114178000},"page":"186","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Three-Dimensional Resistivity and Chargeability Tomography with Expanding Gradient and Pole\u2013Dipole Arrays in a Polymetallic Mine, China"],"prefix":"10.3390","volume":"16","author":[{"given":"Meng","family":"Wang","sequence":"first","affiliation":[{"name":"School of Geophysics and Information Technology, China University of Geosciences, Beijing 100083, China"},{"name":"China Aero Geophysical Survey and Remote Sensing Center for Natural Resources, Beijing 100083, China"},{"name":"National Engineering Research Center of Offshore Oil and Gas Exploration, Beijing 100028, China"}]},{"given":"Junlu","family":"Wang","sequence":"additional","affiliation":[{"name":"Development and Research Center, China Geology Survey, Beijing 100037, China"}]},{"given":"Pinrong","family":"Lin","sequence":"additional","affiliation":[{"name":"Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China"}]},{"given":"Xiaohong","family":"Meng","sequence":"additional","affiliation":[{"name":"School of Geophysics and Information Technology, China University of Geosciences, Beijing 100083, China"}]}],"member":"1968","published-online":{"date-parts":[[2024,1,1]]},"reference":[{"key":"ref_1","first-page":"1","article-title":"Full 3D acquisition and modelling with the Quantec 3D system The Hidden Hill Deposit Case Study","volume":"1","author":"Gharibi","year":"2012","journal-title":"ASEG Ext. 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