Application of 3D Electrical Resistivity Tomography in the Yeoncheon Titanomagnetite Deposit, South Korea
The Yeoncheon titanomagnetite deposit formed by Precambrian magma differentiation is located in Gyeonggi-do, South Korea. Our team conducted an airborne magnetic survey for multiscale mineral exploration and then selected a promising survey area. An electrical resistivity survey was carried out in t...
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| Veröffentlicht in: | Minerals (Basel) 2021, Vol.11 (6), p.563 |
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| creator | Shin, Youngjae Shin, Seungwook Cho, Seong-Jun Son, Jeong-Sul |
| description | The Yeoncheon titanomagnetite deposit formed by Precambrian magma differentiation is located in Gyeonggi-do, South Korea. Our team conducted an airborne magnetic survey for multiscale mineral exploration and then selected a promising survey area. An electrical resistivity survey was carried out in the potential area to image subsurface structure. Because ore minerals are mainly distributed in gabbro monzodiorite rather than quartz monzodiorite, we applied three-dimensional inversion of electrical resistivity tomography (ERT) data to identify lithology boundaries related to magma differentiation. The resistivity criterion distinguishing the lithologies of gabbro and quartz monzodiorite was determined from laboratory resistivity experimental results performed on drilling cores. The selected region for gabbro monzodiorite extends to the northeast direction, which is consistent with the geology map, magnetic anomaly, and drilling data. The inversion results of ERT can help in selecting the location of geophysical survey or drilling. |
| doi_str_mv | 10.3390/min11060563 |
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Our team conducted an airborne magnetic survey for multiscale mineral exploration and then selected a promising survey area. An electrical resistivity survey was carried out in the potential area to image subsurface structure. Because ore minerals are mainly distributed in gabbro monzodiorite rather than quartz monzodiorite, we applied three-dimensional inversion of electrical resistivity tomography (ERT) data to identify lithology boundaries related to magma differentiation. The resistivity criterion distinguishing the lithologies of gabbro and quartz monzodiorite was determined from laboratory resistivity experimental results performed on drilling cores. The selected region for gabbro monzodiorite extends to the northeast direction, which is consistent with the geology map, magnetic anomaly, and drilling data. The inversion results of ERT can help in selecting the location of geophysical survey or drilling.</description><identifier>ISSN: 2075-163X</identifier><identifier>EISSN: 2075-163X</identifier><identifier>DOI: 10.3390/min11060563</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Algorithms ; Core drilling ; Cores ; Differentiation ; Drilling ; Electrical resistivity ; Electrodes ; Finite element analysis ; Gabbro ; Geology ; Geophysical surveys ; Igneous rocks ; Lagrange multiplier ; Lava ; Lithology ; Magma ; Magnetic anomalies ; Magnetic surveys ; Mineral exploration ; Mineralization ; Minerals ; Polls & surveys ; Precambrian ; Quartz ; Software ; Steel alloys ; Steel production ; Surveying ; Titanium ; Tomography</subject><ispartof>Minerals (Basel), 2021, Vol.11 (6), p.563</ispartof><rights>2021 by the authors. Licensee MDPI, Basel, Switzerland. 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Our team conducted an airborne magnetic survey for multiscale mineral exploration and then selected a promising survey area. An electrical resistivity survey was carried out in the potential area to image subsurface structure. Because ore minerals are mainly distributed in gabbro monzodiorite rather than quartz monzodiorite, we applied three-dimensional inversion of electrical resistivity tomography (ERT) data to identify lithology boundaries related to magma differentiation. The resistivity criterion distinguishing the lithologies of gabbro and quartz monzodiorite was determined from laboratory resistivity experimental results performed on drilling cores. The selected region for gabbro monzodiorite extends to the northeast direction, which is consistent with the geology map, magnetic anomaly, and drilling data. 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| subjects | Algorithms Core drilling Cores Differentiation Drilling Electrical resistivity Electrodes Finite element analysis Gabbro Geology Geophysical surveys Igneous rocks Lagrange multiplier Lava Lithology Magma Magnetic anomalies Magnetic surveys Mineral exploration Mineralization Minerals Polls & surveys Precambrian Quartz Software Steel alloys Steel production Surveying Titanium Tomography |
| title | Application of 3D Electrical Resistivity Tomography in the Yeoncheon Titanomagnetite Deposit, South Korea |
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