The Influence of Fault Zone behavior on the Geometry of Thrust Systems and Emplacement History of Thrust Sheets
The Influence of Fault Zone behavior on the Geometry of Thrust Systems and Emplacement History of Thrust Sheets
批准号:
9005478
负责人:
Gautam Mitra
金额:
$7.72万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1990
资助国家:
美国
项目状态:
已结题
起止时间:
1990-06-15 至 1993-05-31
中文摘要
大型逆冲层的侵位模型简化了断层性质和整个断层表面同时存在滑动的假设。在实际的逆冲系统中,断层特征随断层的不同而不同,沿走向和跨走向从一个地方到另一个地方也不同,反映了断层系统力学的变化和单个断裂带内条件的变化。本研究将探讨田纳西州山城窗断层变形的复杂性,以及断裂带沿走向的变化,以及这些断层行为的变化如何影响逆冲系统的整体几何形状。研究结果将有助于开发更真实的推力发展模型。
英文摘要
Models for emplacement of large thrust sheets make simplifying assumptions regarding fault properties and presence of simultaneous slip over the entire fault surface. In an actual thrust system fault characteristics vary from fault to fault and from one place to the next along and across strike, reflecting changes in mechanics of the fault system and variations of conditions within individual fault zones. This research will address the complexities of fault deformation in the Mountain City Window of Tennessee, and the along-strike variations of fault zones and how these variations in fault behavior have influenced the overall geometry of the thrust system. Results will contribute to developing more realistic models for thrust development.
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依托单位:
海外基金