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The thick alluvial conglomerate sequences around the Tibetan Plateau have been notoriously difficult to date. Here we use the cosmogenic nuclide burial dating method to date the Yumen and Jiuquan formations, a ∼900 m thick fanglomerate found in the Hexi Corridor, the foredeep of the Qilian Shan, and exposed in the Laojunmiao anticline. We date 16 sites with simple burial dating and 2 sites with isochron...
The uplift rate and pattern of the Qilian Shan Mountain, which lies in the northeast margin of the Tibetan Plateau, are key to understanding the dynamics of crustal deformation in the northeastern Tibetan Plateau. In this work, late Quaternary terraces in seven river valley sections in the eastern Qilian Shan Mountain are studied to determine terrace abandonment ages by OSL (optical simulating luminescence)...
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