| Citation: | Xiaobo Zhang, Penghui Zhang, Meixing He, Dashuang He, Fagen Pei, Yaoyang Zhang, Yan Peng. Crustal Electrical Structure of the Wuwei Basin, Lower Yangtze Region of China, and Its Geological Implications. Journal of Earth Science, 2023, 34(6): 1744-1757. doi: 10.1007/s12583-022-1682-5
|
The Wuwei Basin is one of the most important oil- and gas-bearing basins in the Meso–Cenozoic basin groups in the Lower Yangtze River region. It has great shale gas resource prospects. The formation mechanism of this basin is poorly studied for lack of constraining data for deep structures. In this paper, a crustal electrical structure model of the Wuwei Basin and the adjacent areas is constructed based on the two-dimensional inversion of a magnetotelluric (MT) sounding profile achieved with the nonlinear conjugate gradient method. The results show that large-scale low-resistance bodies have developed in the underlying middle and lower crust of the Wuwei Basin, and are different from the uplifts on the two sides according to their high-resistance electrical characteristics. The electrical structure and regional geological and geophysical data suggest that the peak zone of the Chuzhou-Chaohu foreland fold-and-thrust belt is located on the east bank of the Yangtze River (Wuhu Section), which, together with the main thrust fault belt in the east, forms a typical thrust structure belt. An early Yanshanian sinistral strike-slip fault developed in the deep part of the Wuwei Basin, which may have controlled the formation and evolution of the basin, whereas the tectonic inversion of the early-developed thrust faults is relatively weak. These findings provide a geophysical basis for future studies of basin tectonic evolution and regional tectonic frameworks.
| Bai, L. H., Shi, W. Z., Zhang, X. M., et al., 2021. Characteristics of Permian Marine Shale and Its Sedimentary Environment in Xuanjing Area, South Anhui Province, Lower Yangtze Area. Earth Science, 46(6): 2204–2217. https://doi.org/10.3799/dqkx.2020.372 (in Chinese with English Abstract) |
| Berdichevsky, M. N., Dmitriev, V. I., 2002. Magnetotellurics in the Context of the Theory of Ill-Posed Problems. Society of Exploration Geophysicists. https://doi.org/10.1190/1.9781560802068 |
| Cai, J. T., Chen, X. B., 2010. Refined Techniques for Data Processing and Two-Dimensional Inversion in Magnetotelluric Ⅱ: Which Data Polarization Mode should be Used in 2D Inversion. Chinese Journal of Geophysics, 53(11): 2703–2714. https://doi.org/10.3969/j.issn.0001-5733.2010.11.018 (in Chinese with English Abstract) |
| Cai, J. T., Chen, X. B., Xu, X. W., et al., 2017. Rupture Mechanism and Seismotectonics of the M(s) 6.5 Ludian Earthquake Inferred from Three-Dimensional Magnetotelluric Imaging: 3D Electrical Model of Ludian Earthquake. Geophysical Research Letters, 44(3): 1275–1285. https://doi.org/10.1002/2016gl071855 |
| Chang, Y. F., Zhou, T. F., Fan, Y., 2012. Polygenetic Compound Mineralization and Tectonic Evolution: Study in the Middle Lower Yangtze River Valley Metallogenic Belt. Acta Petrologica Sinica, 28(10): 3067–3075 (in Chinese with English Abstract) |
| Chang, Y. F., Li, J. H., Song, C. Z., 2019. The Regional Tectonic Framework and some New Understandings of the Middle-Lower Yangtze River Valley Metallogenic Belt. Acta Petrologica Sinica, 35(12): 3579–3591 (in Chinese with English Abstract) doi: 10.18654/1000-0569/2019.12.01 |
| Chen, X. B., Cai, J. T., Wang, L. F., 2014. Refined Techniques for Magnetotelluric Data Processing and Two-Dimensional Inversion (Ⅳ): Statistical Image Method Based on Multi-Site, Multi-Frequency Tensor Decomposition. Chinese Journal of Geophysics, 57(6): 1946–1957 (in Chinese with English Abstract) |
| Chen, Y., Xiong, Q. Q., 2020. Application Effect of 2D Seismic Exploration in Shale Gas Exploration Blank Area: A Case Study of the Wufeng Formation-Gaojiabian Formation Lower-Member in Chaohu Area. Science Technology and Engineering, 20(17): 6822–6829 (in Chinese with English Abstract) |
| Cheng, Y. Z., Tang, J., Cai, J. T., et al., 2017. Deep Electrical Structure beneath the Sichuan-Yunnan Area in the Eastern Margin of the Tibetan Plateau. Chinese Journal of Geophysics, 60(6): 2425–2441. https://doi.org/10.6038/cjg20170631 (in Chinese with English Abstract) |
| Cottrel, R. D., Tarduno, J. A., 2003. A Late Cretaceous Pole for the Pacific Plate: Implications for Apparent and True Polar Wander and the Drift of Hotspots. Tectonophysics, 362(1): 321–333. https://doi org/10.1016/s0040-1951(02)00643-1 doi: 10.1016/s0040-1951(02)00643-1 |
| Dai, X. Y., 2012. The Research of Deep Electrical Structure in West Ujimqin Banner-Balin Left Banner of Inner Mongolia: [Dissertation]. China University of Geosciences, Wuhan (in Chinese with English Abstract) |
| Egbert, G. D., 1997. Robust Multiple-Station Magnetotelluric Data Processing. Geophysical Journal International, 130(2): 475–496. https://doi.org/10.1111/j.1365-246x.1997.tb05663.x |
| Guo, N. F., Yao, B. P., Wu, Q., 1999. The Appraisal of Oil and Gas Geological Conditions of the Wuwei Bains, Anhui. Geology of Anhui, (4): 289–294, 311 (in Chinese with English Abstract) |
| Guo, W., Feng, Q. L., Maliha, Z. K., 2021. Organic Matter Enrichment Mechnism of Black Shale in Wufeng-Longmaxi Formations: A Case Study from Jiaoye 143-5 Well at Chongqing. Earth Science, 46(2): 572–582. https://doi.org/10.3799/dqkx.2020.049 (in Chinese with English Abstract) |
| Gong, X. X., She, X. Y., Pei, Z. H., et al., 2017. Comparison and Analysis of Meso–Paleozoic Tectonic Framework for North Jiangsu-South Yellow Sea, Lower Yangtze. Geological Review, 63(4): 941–954 (in Chinese with English Abstract) |
| Han, J. T., Guo, Z. Y., Liu, W. Y., et al., 2018. Deep Dynamic Process of Lithosphere Thinning in Songliao Basin. Chinese Journal of Geophysics, 61(6): 2265–2279 (in Chinese with English Abstract) |
| Hu, H. Y., Ye, G. F., Dong, J. E., et al., 2020. 3-D Lithospheric Conductivity Structures in the Cathaysia Block and the Jiangnan Suture Zone: Implica-tions for Origins of Metallogenic Belts. Journal of Applied Geophysics, 177: 104045. https://doi.org/10.1016/j.jappgeo.2020.104045 |
| Hu, D. Z., Xu, M. J., Huang, Z. J., 1996. A Study on the Balandced Cross Section of Wuwei Basin, Anhui Province. Geological Journal of China Universities, (4): 72–77 (in Chinese with English Abstract) |
| Hu, X. Y., Lin, W. L., Yang, W. C., et al., 2020. A Review on Developments in the Electrical Structure of Craton Lithosphere. Science China Earth Sciences, 63(11): 1661–1677 (in Chinese) doi: 10.1007/s11430-019-9653-2 |
| Jin, S., 2009. The Characteristics of Crust-Mantle Electrical Structure and Dynamics within Tibetan Plateau: [Dissertation]. China University of Geosciences, Beijing (in Chinese with English Abstract) |
| Li, H. B., Jia, D., Wu, L., et al., 2011. The Mesozoic–Cenozoic Compres-sional Deformation, Extensional Modification and Their Significance for Hydrocarbon Exploration in Lower Yangtze Region. Acta Petrolo-gica Sinica, 27(3): 770–778 (in Chinese with English Abstract) |
| Li, S. Z., Kusky, T. M., Wang, L., et al., 2007. Collision Leading to Multiple-Stage Large-Scale Extrusion in the Qinling Orogen: Insights from the Mianlue Suture. Gondwana Research, 12(1/2): 121–143. https://doi.org/10.1016/j.gr.2006.11.011 |
| Li, S. Z., Li, A. L., Fang, D. J., et al., 2009. Mesozoic Structure Deformation of the Chaobei Region, Anhui Province and Its Tectonic Setting. Acta Geologica Sinica, 83(2): 208–217 (in Chinese with English Abstract) |
| Li, S. Z., Zhao, G. C., Zhang, G. W., et al., 2010. Not all Folds and Thrusts in the Yangtze Foreland Thrust Belt are Related to the Dabie Orogen: Insights from Mesozoic Deformation South of the Yangtze River. Geological Journal, 45(5/6): 650–663. https://doi.org/10.1002/gj.1214 |
| Li, J. H., Hu, X. Y., Zhu, S. W., 2022. Can High-Voltage Transmission Lines be Viewed as Transmitting Sources for Electromagnetic Methods?. Earth Science, 47(10): 3851–3852. https://doi.org/10.3799/dqkx.2022.837 (in Chinese with English Abstract) |
| Li, T. L., Liu, F., C., Han, Y. J., et al., 2000. The Study of Electromagnetic Noise Created by High Voltage Transmission Line. Journal of Changchun University of Science and Technology, 30(1): 80–83 (in Chinese with English Abstract) |
| Liang, H. D., Gao, R., Hou, H. S., et al., 2015. Lithospheric Electrical Structure of the Great Xing'an Range. Journal of Asian Earth Sciences, 113: 501–507. https://doi.org/10.1016/j.jseaes.2015.01.026 |
| Liang, F., Lü, Q. T., Yan, J. Y., et al., 2017. Crustal Structure and Shape of Deep Magma Intrusion, and Their Implications for Mineralization in Ningwu Basin. Earth Science Frontiers, 24(5): 138–148 (in Chinese with English Abstract) |
| Liu, W. C., Li, B. W., Pan, B. Y., et al., 2001. Characteristics of Deformation during Mesozonic Era in the Chaohu Chuzhou Region, Anhui Province. Geosciences, (1): 13–20 (in Chinese with English Abstract) |
| Lü, Q. T., Yan, J. Y., Shi, D. N., et al., 2013. Reflection Seismic Imaging of the Lujiang-Zongyang Volcanic Basin, Yangtze Metallogenic Belt: An Insight into the Crustal Structure and Geodynamics of an Ore District. Tectonophysics, 606: 60–77. https://doi.org/10.1016/j.tecto.2013.04.006 |
| Lü, Q. T., Shi, D. N., Liu, Z. D., et al., 2015a. Crustal Structure and Geodynamics of the Middle and Lower Reaches of Yangtze Metallogenic Belt and Neighboring Areas: Insights from Deep Seismic Reflection Profiling. Journal of Asian Earth Sciences, 114: 704–716. https://doi.org/10.1016/j.jseaes.2015.03.022 |
| Lü, Q. T., Liu, Z. D., Dong, S. W., et al., 2015b. The Nature of Yangtze River Deep Fault Zone: Evidence from Deep Seismic Data. Chinese Journal of Geophysics, 58(12): 4344–4359 (in Chinese with English Abstract) |
| Lü, Q. T., Meng, G. X., Zhang, K., et al., 2021. The Lithospheric Architecture of the Lower Yangtze Metallogenic Belt, East China: Insights into an Extensive Fe-Cu Mineral System. Ore Geology Reviews, 132: 103989. https://doi.org/10.1016/j.oregeorev.2021.103989 |
| Pan, Y. M., Dong, P., 1999. The Lower Changjiang (Yangzi/Yangtze River) Metallogenic Belt, East Central China: Intrusion- and Wall Rock-Hosted Cu-Fe-Au, Mo, Zn, Pb, Ag Deposits. Ore Geology Reviews, 15(4): 177–242. https://doi.org/10.1016/s0169-1368(99)00022-0 |
| Maruyama, S., Isozaki, Y., Kimura, G., et al., 1997. Paleogeographic Maps of the Japanese Islands: Plate Tectonic Synthesis from 750 Ma to the Present. The Island Arc, 6(1): 121–142. https://doi.org/10.1111/j.1440-1738.1997.tb00043.x |
| Mei, L. F., Dai, S. W., Shen, C. B., et al., 2008. Formation and Disintegration of Mesozoic–Cenozoic Intra-Continental Ramp Zone in Middle and Lower Yangtze Region. Geological Science and Technology Information, 27(4): 1–7 (in Chinese with English Abstract) |
| Qiu, X. M., 2011. Geologic Origin of the Internal Seismic Reflection of Marine Strata in the Lower Yangtze Region. Oil and Gas Geology, 32(3): 397–403 (in Chinese with English Abstract) |
| Qi, H. S., Yang, X. Y., Lu, S. M., et al., 2020. Ore Genesis and Fluid Evolution of the Qiaomaishan Cu-W Deposit, in the Middle-Lower Yangtze River Metallogenic Belt: Evidence from in situ Analyses of Apatite and Scheelite. Ore Geology Reviews, 127: 103864. https://doi.org/10.1016/j.oregeorev.2020.103864 |
| Ren, J. Y., Tamaki, K., Li, S. T., et al., 2002. Late Mesozoic and Cenozoic Rifting and Its Dynamic Setting in Eastern China and Adjacent Areas. Tectonophysics, 344(3/4): 175–205. https://doi.org/10.1016/s0040-1951(01)00271-2 |
| Shi, D. N., Lü, Q. T., Xu, W. Y., et al., 2013. Crustal Structure beneath the Middle-Lower Yangtze Metallogenic Belt in East China: Constraints from Passive Source Seismic Experiment on the Mesozoic Intra-Continental Mineralization. Tectonophysics, 606: 48–59. https://doi.org/10.1016/j.tecto.2013.01.012 |
| Shi, G., Huang, Z. Q., Zhen, H. J., et al., 2018. Drilling Discovery of "Three Gas One Oil" in the Permian Strata of Lower Yangtze Area. Geological Survey of China, 45(2): 416–417 (in Chinese with English Abstract) |
| Song, T., Lin, T., Chen, K., et al., 2017. The Discovery of Shale Gas in Upper Permian Transitional Facies at Jingye-1 Well in Lower Yangtze Region. Geological Survey of China, 44(3): 606–607 (in Chinese with English Abstract) |
| Song, T., Chen, K., Lin, T., et al., 2019. Study on Geological Conditions of Upper Permian Shale Oil and Gas in Lower Yangtze Area of Southern Jiangsu, Anhui Province. Geological Survey of China, 6(2): 18–25 (in Chinese with English Abstract) http://en.cnki.com.cn/Article_en/CJFDTotal-DZDC201902002.htm |
| Sun, H., Liu, Y., Wang, Z., et al., 2022. Constrained Inversion of Audio Magnetotelluric for Identifying Strata: A Case Study in Hami Basin. Earth Science, 47(11): 4280–4293. https://doi.org/10.3799/dqkx. 2022.207 (in Chinese with English Abstract) doi: 10.3799/dqkx.2022.207 |
| Swift, C. M., 1967. A Magnetotelluric Investigation of an Electrical Conductivity Anomaly in the Southwestern United States: [Disser-tation]. Massachusetts Institute of Technology, Boston |
| Tu, Y. J., Liu, X. P., Wang, X. Y., et al., 2001. Study on the Chuzhou Chaohu Foreland Fold Thrust Zone at the Northern Margin of the Lower Yangtze Landmass. Geotectonica et Metallogenia, (1): 9–26 (in Chinese with English Abstract) |
| Wang, P. C., Zhao, S. J., Li, S. Z., et al., 2015. The Styles and Dynamics of Thrust in the South of the Middle-Lower Yangtze River Area, China. Acta Petrologica Sinica, 31(1): 230–244 (in Chinese with English Abstract) |
| Wang, G., Fang, H., Qiu, G. G., et al., 2019. The Deep Electrical Structure across Anqing-Guichi Ore Concentration Area. Geology in China, 46(4): 795–806 (in Chinese with English Abstract) |
| Wei, W. B., Jin, S., Ye, G. F., et al., 2006. MT Sounding and Lithosphere Thickness in North China. Geology in China, (4): 762–772 (in Chinese with English Abstract) |
| Wu, T., Li, J. Q., Zhang, C. C., et al., 2020. Analysis on the Gas Reservoir Forming Conditions of Middle Triassic Zhouchongcun Formation in Wuwei Depression, Lower Yangtze Basin. East China Geology, 41(4): 425–433 (in Chinese with English Abstract) |
| Xiao, X., Wang, X. Y., Tang, J. T., et al., 2014. Conductivity Structure of the Lujiang-Zongyang Ore Concentrated Area, Anhui Province: Con-straints from Magnetotelluric Data. Acta Geologica Sinica, 88(4): 478–495 (in Chinese with English Abstract) |
| Xu, C. H., Qiu, W. D., Qin, X. L., et al., 2019. New Acquirement of Shale Gas Exploration and Development in the Lower Yangtze Region. Journal of Hebei GEO University, 42(3): 32–39 (in Chinese with English Abstract) |
| Xu, X., Gao, S. L., 2015. The Structure and Formation of the Cenozoic Fault Basin in the Lower Yangtze Region. Earth Science Frontiers, 22(6): 148–166 (in Chinese with English Abstract) |
| Xu, X., Zhu, X. Y., Shan, X. P., et al., 2018. Structure and Sedimentary Characteristics of the Meso–Cenozoic Basin Group along the Yangtze River in the Lower Yangtze Region. Petroleum Geology & Experiment, 40(3): 303–314 (in Chinese with English Abstract) |
| Xu, S., Unsworth, M. J., Hu, X. Y., et al., 2019. Magnetotelluric Evidence for Asymmetric Simple Shear Extension and Lithospheric Thinning in South China. Journal of Geophysical Research: Solid Earth, 124(1): 104–124. https://doi.org/10.1029/2018jb016505 |
| Yang, C., Yan, J., Wang, S. N., et al., 2020. Geochronology and Geochemistry of the Late Mesozoic Magmatic Rocks in the Chizhou Area, Lower Yangtze River Metallogenic Belt: Constraints on Petrogenesis and Tectonic Setting. Journal of Geochemical Exploration, 213: 106515. https://doi.org/10.1016/j.gexplo.2020.106515 |
| Yin, Q. C., Zheng, H. J., Pu, K. Y., et al., 2019. Two-Dimensional Seismic Exploration of Shale Gas in the Chaohu-Hanshan Area, Anhui Province. Geology of Anhui, 29(1): 49–54 (in Chinese with English Abstract) |
| Zhang, Z. Y., He, W. H., Wei, Y., et al., 2014. Evolution of Mesozoic Sedimentary Basins in the Lower Yangtze. Earth Science, 39(8): 1017–1034 (in Chinese with English Abstract) |
| Zhang, Y. Q., Shi, D. N., Lü, Q. T., et al., 2021. The Crustal Thickness and Composition in the Eastern South China Block Constrained by Receiver Functions: Implications for the Geological Setting and Meta-llogenesis. Ore Geology Reviews, 130: 103988. https://doi.org/10.1016/j.oregeorev.2021.103988 |
| Zhang, K., Yan, J. Y., Lü, Q. T., et al., 2014. The Crust-Mantle Conductivity Structure of Nanjing (Ning)-Wuhu (Wu) in the Middle and Lower Reaches of Yangtze River: Broadband Magnetotelluric Sounding Research. Acta Petrologica Sinica, 30(4): 966–978 (in Chinese with English Abstract) |
| Zhang, K., Lü, Q. T., Yan, J. Y., 2015. The Lower Crust Conductor from Nanjing (Ning)-Wuhu (Wu) Area in the Middle and Lower Reaches of Yangtze River: Preliminary Results from 3D Inversion of Magneto-telluric Data. Journal of Asian Earth Sciences, 101: 20–29. https://doi.org/10.1016/j.jseaes.2015.01.007 |
| Zhang, P. H., Fang, H., Zhong, Q., et al., 2021. Structural Features and Tectonic Evolution of the Nenjiang-Balihan Fault in the Western Margin of the Songliao Basin, NE China, Inferred from 2D Inversion of Magnetotelluric Data. Journal of Asian Earth Sciences, 206: 104628. https://doi.org/10.1016/j.jseaes.2020.104628 |
| Zheng, H. J., Zhou, D. R., Yin, Q. C., et al., 2020. New Progress and Breakthrough Difficulties on Shale Gas Geological Survey in the Lower Yangtze area. Journal of Geomechanics, 26(6): 852–871 (in Chinese with English Abstract) |
| Zhou, T. F., Wang, S. W., Fan, Y., et al., 2014. Characteristics of the Intracontinental Porphyry Deposits in the Middle-Lower Yangtze River Valley Metallogenic Belt, Eastern China. Acta Geologica Sinica—English Edition, 88(Suppl. 2): 667–669. https://doi.org/10.1111/1755-6724.12374_80 |
| Zhou, T. F., Fan, Y., Wang, S. W., et al., 2017. Metallogenic Regularity and Metallogenic Model of the Middle-Lower Yangtze River Valley Metallogenic Belt. Acta Petrologica Sinica, 33(11): 3353–3372 (in Chinese with English Abstract) |
| Zhu, G., Wang, Y. S., Liu, G. S., et al., 2005. 40Ar/39Ar Dating of Strike-Slip Motion on the Tan-Lu Fault Zone, East China. Journal of Structural Geology, 27(8): 1379–1398. https://doi.org/10.1016/j.jsg.2005.04.007 |
| Zhu, G., Niu, M. L., Liu, G. S., et al., 2002. Structural, Magmatic and Sedimentary Events of the Tan-Lu Fault Belt during Its Early Cretaceous Strike-Slip Movement. Acta Geologica Sinica, 76: 325–334 (in Chinese with English Abstract) |
| Zhu, G., Niu, M. L., Xie, C. L., et al., 2010. Sinistral to Normal Faulting along the Tan-Lu Fault Zone: Evidence for Geodynamic Switching of the East China Continental Margin. The Journal of Geology, 118(3): 277–293. https://doi.org/10.1086/651540 |
Figures(11)
Copyright © 2013-2020 Journal of Earth Science 鄂ICP备15021562号-2
Tel: +86-27-67885075 Fax: +86-27-67885075 E-mail: xbb@cug.edu.cn
Address: Editorial Office of Journal, China University of Geosciences, Yujiashan, Wuhan, Hubei 430074, P. R. China
Supported by:
Beijing Renhe Information Technology Co. Ltd
E-mail:
info@rhhz.net
DownLoad:
