Three‐dimensional electrical structure of the crust and upper mantle in Ordos Block and adjacent area: Evidence of regional lithospheric modification
Abstract Long‐period magnetotelluric (MT) data from project SINOPROBE were acquired and modeled, using three‐dimensional (3D) MT inversion, to study the electrical structure of Ordos Block, a component of the North China Craton. For the first time, a high‐resolution 3D resistivity model of the litho...
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| Format: | Article |
| Language: | English |
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Wiley
2014-06-01
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| Series: | Geochemistry, Geophysics, Geosystems |
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| Online Access: | https://doi.org/10.1002/2014GC005270 |
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| author | Hao Dong Wenbo Wei Gaofeng Ye Sheng Jin Alan G. Jones Jianen Jing Letian Zhang Chengliang Xie Fan Zhang Hui Wang |
| author_facet | Hao Dong Wenbo Wei Gaofeng Ye Sheng Jin Alan G. Jones Jianen Jing Letian Zhang Chengliang Xie Fan Zhang Hui Wang |
| author_sort | Hao Dong |
| collection | DOAJ |
| description | Abstract Long‐period magnetotelluric (MT) data from project SINOPROBE were acquired and modeled, using three‐dimensional (3D) MT inversion, to study the electrical structure of Ordos Block, a component of the North China Craton. For the first time, a high‐resolution 3D resistivity model of the lithosphere is defined for the region. Contrary to what would be expected for a stable cratonic block, a prominent lithospheric conductive complex is revealed extending from the upper mantle to the mid‐to‐lower crust beneath the northern part of Ordos. Correlating well with results of seismic studies, the evidence from our independent magnetotelluric data supports regional modification of the lithosphere under the north Ordos and lithosphere thinning beneath Hetao Graben. The abnormally conductive structure may result from upwelling of mantle material in mid‐to‐late Mesozoic beneath the northern margin of the Ordos block. |
| format | Article |
| id | doaj-art-75fef418554b4ddf9f957c36096202cd |
| institution | OA Journals |
| issn | 1525-2027 |
| language | English |
| publishDate | 2014-06-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geochemistry, Geophysics, Geosystems |
| spelling | doaj-art-75fef418554b4ddf9f957c36096202cd2025-08-20T02:35:19ZengWileyGeochemistry, Geophysics, Geosystems1525-20272014-06-011562414242510.1002/2014GC005270Three‐dimensional electrical structure of the crust and upper mantle in Ordos Block and adjacent area: Evidence of regional lithospheric modificationHao Dong0Wenbo Wei1Gaofeng Ye2Sheng Jin3Alan G. Jones4Jianen Jing5Letian Zhang6Chengliang Xie7Fan Zhang8Hui Wang9School of Geophysics and Information TechnologyChina University of GeosciencesBeijing ChinaSchool of Geophysics and Information TechnologyChina University of GeosciencesBeijing ChinaSchool of Geophysics and Information TechnologyChina University of GeosciencesBeijing ChinaSchool of Geophysics and Information TechnologyChina University of GeosciencesBeijing ChinaDublin Institute for Advanced StudiesDublin IrelandSchool of Geophysics and Information TechnologyChina University of GeosciencesBeijing ChinaSchool of Geophysics and Information TechnologyChina University of GeosciencesBeijing ChinaSchool of Geophysics and Information TechnologyChina University of GeosciencesBeijing ChinaSchool of Geophysics and Information TechnologyChina University of GeosciencesBeijing ChinaSchool of Geophysics and Information TechnologyChina University of GeosciencesBeijing ChinaAbstract Long‐period magnetotelluric (MT) data from project SINOPROBE were acquired and modeled, using three‐dimensional (3D) MT inversion, to study the electrical structure of Ordos Block, a component of the North China Craton. For the first time, a high‐resolution 3D resistivity model of the lithosphere is defined for the region. Contrary to what would be expected for a stable cratonic block, a prominent lithospheric conductive complex is revealed extending from the upper mantle to the mid‐to‐lower crust beneath the northern part of Ordos. Correlating well with results of seismic studies, the evidence from our independent magnetotelluric data supports regional modification of the lithosphere under the north Ordos and lithosphere thinning beneath Hetao Graben. The abnormally conductive structure may result from upwelling of mantle material in mid‐to‐late Mesozoic beneath the northern margin of the Ordos block.https://doi.org/10.1002/2014GC005270lithosphere modificationmagnetotelluricsOrdos BlockSINOPROBENorth China |
| spellingShingle | Hao Dong Wenbo Wei Gaofeng Ye Sheng Jin Alan G. Jones Jianen Jing Letian Zhang Chengliang Xie Fan Zhang Hui Wang Three‐dimensional electrical structure of the crust and upper mantle in Ordos Block and adjacent area: Evidence of regional lithospheric modification Geochemistry, Geophysics, Geosystems lithosphere modification magnetotellurics Ordos Block SINOPROBE North China |
| title | Three‐dimensional electrical structure of the crust and upper mantle in Ordos Block and adjacent area: Evidence of regional lithospheric modification |
| title_full | Three‐dimensional electrical structure of the crust and upper mantle in Ordos Block and adjacent area: Evidence of regional lithospheric modification |
| title_fullStr | Three‐dimensional electrical structure of the crust and upper mantle in Ordos Block and adjacent area: Evidence of regional lithospheric modification |
| title_full_unstemmed | Three‐dimensional electrical structure of the crust and upper mantle in Ordos Block and adjacent area: Evidence of regional lithospheric modification |
| title_short | Three‐dimensional electrical structure of the crust and upper mantle in Ordos Block and adjacent area: Evidence of regional lithospheric modification |
| title_sort | three dimensional electrical structure of the crust and upper mantle in ordos block and adjacent area evidence of regional lithospheric modification |
| topic | lithosphere modification magnetotellurics Ordos Block SINOPROBE North China |
| url | https://doi.org/10.1002/2014GC005270 |
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