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Strain Rates, Patterns, and Partitioning during Continental Transtension

Strain Rates, Patterns, and Partitioning during Continental Transtension
大陆变形过程中的应变率、模式和分区
批准号：
0001044
负责人：
Douglas Burbank
金额：
$15.84万
依托单位：
Pennsylvania State Univ University Park
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2000
资助国家：
美国
项目状态：
已结题
起止时间：
2000-06-01 至 2001-06-30
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0001044&HistoricalAwards=false
关键词：
StrainRatesPatternsPartitioningduring

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中文摘要
翻译
长期存在的构造问题集中在地壳块体之间由于倾斜运动而产生的应力的调节方式上。该项目将利用欧文斯河谷北部、怀特-伊诺山和鱼湖谷--东加州剪切带的一部分--来检验关于大陆伸展的性质和从伸展到伸展的转变的几个假说。这项研究有望带来详细的U-Th/He、裂变径迹和ARARR年代学观点，以揭示大陆伸展的性质。这一结果对重建南加州中新世至近代的应力场历史具有重要意义，也将有助于理解其他地区的应变行为。
英文摘要
Burbank0001044A long-standing structural problem focuses on the modes of accommodation of the stresses that arise due to oblique motion between crustal blocks. The project will test several hypotheses regarding the nature of continental transtension and a transition from extension to transtension, using the northern Owens Valley, White-Inyo Mountain and Fish Lake Valley, parts of the Eastern California Shear Zone. This study promises to bring detailed U-Th/He, fission-track and ArAr chronologic perspective to bear on the nature of continental transtension. Results are important for reconstruction of the stress field history of southern California from Miocene times to recent, and should be helpful in understanding transtensional behavior elsewhere.
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