COLLABORATIVE RESEARCH: Active Strain within the Pacific- North American Oblique-Divergent Plate Boundary, Baja California Sur, Mexico

合作研究：太平洋-北美斜发散板块边界内的活跃应变，墨西哥南下加利福尼亚州

• 批准号: 9802790
• 负责人: Larry Mayer
• 金额: --
• 依托单位: Miami University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1998
• 资助国家: 美国
• 起止时间: 1998-07-01 至 2000-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9802790&HistoricalAwards=false
• 关键词: COLLABORATIVE; RESEARCH; Active; Strain; within

9802790 Mayer Strain and deformation partitioning at oblique convergent plate margins was proposed twenty-five years ago, and subsequently has been identified in the arcs of many subduction zones. Whether or not deformation is partitioned in divergent plate margins is still an open question, let alone how the deformation might be partitioned. The project will be one of the first to critically explore this question. It focuses on Baja California Sur, in Mexico, as one of the best examples of an oblique divergent plate boundary, with one of the largest obliquities. If this study is successful, it will determine the rates of modern displacement of faults in the region, determine the average rates of displacement for the same structures over the last few million years, and ultimately establish what role the strain partitioning has in these strike-slip displacements.

9802790 Mayer 二十五年前提出了倾斜会聚板块边缘的应变和变形分区，随后在许多俯冲带的弧中得到了识别。变形是否在不同的板块边缘进行划分仍然是一个悬而未决的问题，更不用说如何划分变形了。该项目将是第一个批判性地探讨这个问题的项目之一。它重点关注墨西哥的南下加利福尼亚州，它是倾斜发散板块边界的最佳例子之一，也是倾斜度最大的地区之一。如果这项研究成功，它将确定该地区断层的现代位移速率，确定过去几百万年中相同结构的平均位移速率，并最终确定应变分配在这些走向中的作用。滑动位移。