Surface uplift of the Tibetan Plateau: constraints from isostatic effects of Cenozoic sedimentary accumulation
2021
Abstract The surface uplift history of the Tibetan Plateau remains one of the most important unresolved issues in geosciences. Numerous models have been proposed to account for the growth of the Tibetan Plateau. This paper tries to analyze the surface uplift of the Tibetan Plateau from isostatic effects of the Cenozoic sedimentary accumulation. Based on isostatically-compensated basin infilling model, we show that the surface uplift magnitudes caused by the Cenozoic sedimentary accumulation constitute the main part of the modern elevations of the Qaidam and Tarim basins around the Tibetan Plateau, but only a small part of the modern elevations of the Hoh Xil and Lunpola basins inside the Tibetan Plateau. Paleogene sediments account for the uplift magnitudes of >900 m in both the Hoh Xil and Lunpola basins, while the uplift magnitudes caused by Neogene sediments are
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