Growth of the Tian Shan Drives Migration of the Conglomerate‐Sandstone Transition in the Southern Junggar Foreland Basin - Archive ouverte HAL Access content directly
Journal Articles Geophysical Research Letters Year : 2022

Growth of the Tian Shan Drives Migration of the Conglomerate‐Sandstone Transition in the Southern Junggar Foreland Basin

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Chao Li
Shengli Wang
Yongxiang Li
Hugh Sinclair
  • Function : Author
Dongtao Wei
  • Function : Author
Delong Ma
  • Function : Author
Huayu Lu
Xianyan Wang
Liangshu Wang
  • Function : Author
  • PersonId : 1057390

Abstract

In an orogenic belt-foreland basin setting, sediments from the mountain are transported downstream and accumulate in foreland basins. Sediments routing through the network of rivers display downstream grain size fining due to sorting and abrasion (Paola et al., 1992). A grain size transition from gravel to sand, termed the gravel-sand transition (GST; Ferguson et al., 1996), occurs in a short downstream distance from the sediment source. The GST is preserved in the stratigraphy of a sedimentary basin as the conglomerate-sandstone transition (CST; e.g., Dubille & Lavé, 2015). The position of the CST in a foreland basin succession is determined by basin subsidence, sediment supply, and grain size (Allen et al., 2013; Armitage et al., 2011), and all these factors depend on the interactions of tectonics in the adjacent mountains and regional climate (Dingle et al., 2016, 2017; Duller et al., 2010; Quick et al., 2020). The propagation of the orogenic wedge toward to the foreland drives the forelandward migration of the coupled foreland basin system as well as sedimentary facies (Flemings & Jordan, 1989
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insu-03631181 , version 1 (05-04-2022)

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Chao Li, Shengli Wang, Yongxiang Li, Yan Chen, Hugh Sinclair, et al.. Growth of the Tian Shan Drives Migration of the Conglomerate‐Sandstone Transition in the Southern Junggar Foreland Basin. Geophysical Research Letters, 2022, 49 (4), ⟨10.1029/2021GL097545⟩. ⟨insu-03631181⟩
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