3D joint inversion of gravity and MT data for Alxa Block deep structure analysis

Yulong Dong; Hao Wang; Qiang Sun; Wuxu Peng; Jiande Li; Guangqi Li; Yang Liu

doi:10.1117/12.3048711

27 November 2024 3D joint inversion of gravity and MT data for Alxa Block deep structure analysis

Yulong Dong, Hao Wang, Qiang Sun, Wuxu Peng, Jiande Li, Guangqi Li, Yang Liu

Proceedings Volume 13402, International Conference on Remote Sensing, Mapping, and Geographic Information Systems (RSMG 2024); 134021B (2024) https://doi.org/10.1117/12.3048711
Event: International Conference on Remote Sensing, Mapping, and Geographic Information Systems (RSMG 2024), 2024, Zhengzhou, China

Abstract

The Alxa Block, located on the northeastern edge of the Tibetan Plateau, is largely covered by deserts. In this study, gravity and magnetotelluric (MT) data measured within the range of (38°N-40°N, 102°E-105°E), as well as three-dimensional joint inversion technology, were used to generate a geophysical dataset for the study area. Three-dimensional density and resistivity models were created. By analyzing overlays and RGB composites of the density and resistivity models at different depths, we have deepened our understanding of deformation mechanisms at the front edge of the Tibetan Plateau and the western margin of the Ordos block. This study has important scientific significance in expanding the resource potential of the region and reassessing the background and mechanisms of basin formation.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yulong Dong, Hao Wang, Qiang Sun, Wuxu Peng, Jiande Li, Guangqi Li, and Yang Liu "3D joint inversion of gravity and MT data for Alxa Block deep structure analysis", Proc. SPIE 13402, International Conference on Remote Sensing, Mapping, and Geographic Information Systems (RSMG 2024), 134021B (27 November 2024); https://doi.org/10.1117/12.3048711

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KEYWORDS

3D modeling

Data modeling

RGB color model

Earthquakes

3D acquisition

Magnetism

Deformation

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