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Analysis of Tectonic Uplift and Heavy Minerals of Sediments on Jiuxi Basin in the Northern Margin of Tibetan Plateau since the Late Cenozoic
Author(s): 
Pages: 552-559
Year: Issue:  4
Journal: ACTA SEDIMENTOLOGICA SINICA

Keyword:  重矿物构造隆升晚新生代酒西盆地青藏高原;
Abstract: 沉积物的形成是地壳差异升降运动的物质记录.位于青藏高原北缘的酒西盆地晚新生代沉积比较敏感和全面记录了高原北部的构造运动和隆升过程.老君庙剖面晚新生代沉积物重矿物分析表明13 MaBP以来酒西盆地南部沉积物中重矿物具规律性变化;依据重矿物具规律性变化和沉积特征,揭示了青藏高原北缘晚新生代以来地壳运动经历了稳定期(13~8.26 Ma)、逐步阶段性隆升期(8.26~<4.9 Ma)和急剧强烈整体阶段性隆升期(>3.66~0 Ma)三个重大构造演化过程.
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