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October 16, 2025Geophysical Research Letters0 citationsOpen Access

Provenance Shift of Sandy Deserts Surrounding Northeastern Tibetan Plateau Revealed by Geochemical Analysis

Coupled Glacial, Fluvial and Aeolian Processes Induced Provenance Shift of Sandy Deserts Surrounding the Northeastern Tibetan Plateau

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Authors

BLBaofeng LiFWFei WangYFYuxin Fan

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Overview

Analysis reveals provenance changes in sandy deserts, driven by glacial and fluvial processes, implying environmental shifts.

Key Points

  • A major shift in sand provenance occurred around 0.7 Ma, with the northeastern Tibetan Plateau becoming the main source.
  • Geochemical analysis from a borehole in Badain Jaran Desert indicates early sediments were mainly sourced from the Central Asian Orogenic Belt.
  • Coupled glacial, fluvial, and aeolian processes contributed to the formation of mega-dunes in the desert, highlighting environmental dynamics.
  • The results suggest that increased detritus production and enhanced sediment transport were influenced by regional climatic changes.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/68f0492fe559138a1a06e034https://doi.org/10.1029/2024gl114319
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