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The Cenozoic sedimentation in the Tianshui basin, which is located at the junction of the liupanshan and West Qinling, northeast margin of the Tibetan plateau, provides a record for the regional tectonism and exhumation history of the surrounding mountains. Thermochronologic study on the detrital apatite grains from sandstones at Yaodian, near Tianshui, has revealed two rapid tectonic uplift-exhumation...
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