Advances in Earth Science ›› 2025, Vol. 40 ›› Issue (7): 704-724. doi: 10.11867/j.issn.1001-8166.2025.048

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Research Progress on the Controlling Effect of Salt Deposition on Salt Tectonics

Wei LI1,2,3(), Zhiyuan GE1,2,3()   

  1. 1.Hainan Institute of China University of Petroleum (Beijing), Sanya Hainan 572025, China
    2.National Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing 102249, China
    3.College of Geosciences, China University of Petroleum (Beijing), Beijing 102249, China
  • Received:2025-05-12 Revised:2025-06-16 Online:2025-07-10 Published:2025-09-15
  • Contact: Zhiyuan GE E-mail:liwei.time@foxmail.com;gezhiyuan@cup.edu.cn
  • About author:LI Wei, research area includes salt-bearing basins. E-mail: liwei.time@foxmail.com
  • Supported by:
    the National Natural Science Foundation of China(42472183)

Wei LI, Zhiyuan GE. Research Progress on the Controlling Effect of Salt Deposition on Salt Tectonics[J]. Advances in Earth Science, 2025, 40(7): 704-724.

Salt flowability complicates the patterns and evolutionary processes of salt-related tectonics. Current research has predominantly focused on the deformation processes of salt flows driven by tectonic stresses and the resulting salt tectonic types, with less attention paid to the influence of the inherent processes of salt deposition on the evolution of salt tectonics. In this study, we focused on the relationship between salt deposition and evolution of salt tectonics. By reviewing the development of salt depositional patterns, we clarified the key depositional characteristics that control the development of salt tectonics and elaborated on how salt deposition controls salt mobility and influences the evolutionary style of salt-bearing basins. Salt deposition can be categorized into two main types based on the development of salt tectonics: platform margin and basin-wide. Within this classification, a platform-margin-type sedimentary model with limited salt thickness has been established for the sedimentary mechanism of modern salt lakes, and the basin-wide type has been widely used to explain the depositional processes of giant salt deposits. Traditionally, the most significant influences of salt deposition on salt tectonics have been considered to be thickness and purity, where thickness affects mobility through boundary drag effects, and purity affects mobility through viscosity differences among various components. Recent studies have shown that salt deposition also exerts important controls on salt tectonics, including the depositional location of the salt and the development of layered evaporite sequences. The former affects the spatial relationship between salt and overlying sedimentary systems, whereas the latter promotes salt mobility and triggers syndepositional salt tectonics. Therefore, the thickness, purity, location, and depositional sequence of salt layers, which are controlled by salt depositional patterns, strongly influenced the style of salt tectonics throughout the evolutionary processes of salt-bearing basins. Further clarification of the role of salt deposition in basin evolution will contribute to a better understanding of the mechanisms underlying the complex evolution of salt-related tectonics.

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