Geodynamic model and tectono-structural framework of the Bengal Basin and its surroundings

Md. Sakawat Hossain, Wenjiao Xiao, Md. Sharif Hossain Khan, Khalil R. Chowdhury and Songjian Ao

Journal of Maps, 2020, vol. 16, issue 2, 445-458

Abstract: We present a brief, but precise description of the geodynamic evolution, and tectono-structural framework of the Bengal Basin. The tectonic map (Main Map) at 1:12,50,000 scale should be considered as a first attempt to provide a more comprehensive and accurate geotectonic cartography of the entire region, with respect to the available maps in the published literatures, and in the light of scientific advances in geodynamics, tectonics and structures reached in the last decades plus new geological field works carried out in some key sectors of the Bengal Basin. The tectonic map of the Bengal Basin improves the knowledge of the geometry of the basin boundary, tectonic settings and relevant structures, and its relation to the collision of the Indian and the Burmese plates. Three schematic geological cross-sections illustrate the tectonic architecture of the basin in depth as well as surroundings. The latest understanding of the present-day geodynamics would help to develop advanced kinematic and dynamic modelling of the Bengal Basin in relation to the pre- and post-collisional stages of the Indian Plate.

Date: 2020
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DOI: 10.1080/17445647.2020.1770136

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