Three-dimensional constrained gravity inversion of Moho depth and crustal structural characteristics at Mozambique continental margin

Shihao Yang; Zhaocai Wu; Yinxia Fang; Mingju Xu; Jialing Zhang; Fanlin Yang

doi:10.1007/s13131-023-2220-8

Volume 43 Issue 2

Feb. 2024

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Shihao Yang, Zhaocai Wu, Yinxia Fang, Mingju Xu, Jialing Zhang, Fanlin Yang. Three-dimensional constrained gravity inversion of Moho depth and crustal structural characteristics at Mozambique continental margin[J]. Acta Oceanologica Sinica, 2024, 43(2): 120-129. doi: 10.1007/s13131-023-2220-8

Citation:

Shihao Yang, Zhaocai Wu, Yinxia Fang, Mingju Xu, Jialing Zhang, Fanlin Yang. Three-dimensional constrained gravity inversion of Moho depth and crustal structural characteristics at Mozambique continental margin[J]. Acta Oceanologica Sinica, 2024, 43(2): 120-129. doi: 10.1007/s13131-023-2220-8

Citation:

Shihao Yang, Zhaocai Wu, Yinxia Fang, Mingju Xu, Jialing Zhang, Fanlin Yang. Three-dimensional constrained gravity inversion of Moho depth and crustal structural characteristics at Mozambique continental margin[J]. Acta Oceanologica Sinica, 2024, 43(2): 120-129. doi: 10.1007/s13131-023-2220-8

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Three-dimensional constrained gravity inversion of Moho depth and crustal structural characteristics at Mozambique continental margin

doi: 10.1007/s13131-023-2220-8

1.
College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao 266590, China
2.
Key Laboratory of Submarine Geoscience, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
3.
School of Geomatics and Municipal Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China
4.
Ocean College, Zhejiang University, Zhoushan 316021, China

Funds: The National Natural Science Foundation of China under contract No. 42076078; China–Mozambique Joint Cruise under contract No. GASI-01-DLJHJ-CM.

More Information

Corresponding author: E-mail: wuzc@sio.org.cn
Received Date: 2023-02-15
Accepted Date: 2023-05-11

Available Online: 2023-05-30

Publish Date: 2024-02-01

Abstract

Abstract

Mozambique’s continental margin in East Africa was formed during the break-off stage of the east and west Gondwana lands. Studying the geological structure and division of continent-ocean boundary (COB) in Mozambique’s continental margin is considered of great significance to rebuild Gondwana land and understand its movement mode. Along these lines, in this work, the initial Moho was fit using the known Moho depth from reflection seismic profiles, and a 3D multi-point constrained gravity inversion was carried out. Thus, high-accuracy Moho depth and crustal thickness in the study area were acquired. According to the crustal structure distribution based on the inversion results, the continental crust at the narrowest position of the Mozambique Channel was detected. According to the analysis of the crustal thickness, the Mozambique ridge is generally oceanic crust and the COB of the whole Mozambique continental margin is divided.
- 3D constrained gravity inversion,
- continent-ocean boundary,
- Mozambique continental margin,
- Moho depth

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