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Dynamic Mechanism of Transition from Basin to Plateau in Ordos
Author(s): 
Pages: 144-148
Year: Issue:  2
Journal: JOURNAL OF EARCH SCIENCES AND ENVIRONMENT

Keyword:  新生代盆地-高原转型期动力学机制区域构造应力场鄂尔多斯盆地;
Abstract: 通过分析新生代以来亚洲板块与周邻板块运动学特征、鄂尔多斯盆地区域构造应力场变化及盆地抬升的地质学证据,探讨鄂尔多斯盆地-高原转型期的地球动力学机制.研究结果表明,新生代以来鄂尔多斯盆地-高原转型期的驱动力主要源于印度板块北移、青藏高原隆升和太平洋板块向西俯冲产生的远源波及力.鄂尔多斯盆地抬升的时期主要分为:新生代早期(65~45、45~25) Ma BP,盆地处于缓慢阶段性抬升期;新生代晚期(25~0.78、0.78) Ma BP,盆地处于快速阶段性抬升期,且抬升的频次有逐渐加大的趋势.
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