课题基金 / 基金详情

Collaborative Research: Deep Crustal Processes and the Growth, Stabilization, and Exhumation of the Western Canadian Shield

Collaborative Research: Deep Crustal Processes and the Growth, Stabilization, and Exhumation of the Western Canadian Shield
合作研究：深地壳过程和加拿大西部地盾的生长、稳定和折返
批准号：
0001131
负责人：
Samuel Bowring
金额：
$13.35万
依托单位：
Massachusetts Institute of Technology
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
2000
资助国家：
美国
项目状态：
已结题
起止时间：
2000-08-01 至 2003-01-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0001131&HistoricalAwards=false
关键词：
CollaborativeResearchDeepCrustalProcesses

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项目成果

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中文摘要
翻译
鲍林地表高压岩石的存在意味着相当大的地壳规模的构造作用，然而，在大陆盾的演化过程中，这种作用是如何发生的，人们还没有很好地了解。该项目将考察加拿大西部地盾的雪鸟构造带，以测试两种有关年龄和构造情景的模型。这项工作还涉及应用和改进一种新的电子微问题年龄测绘和定年技术，这种技术可能被证明广泛适用于研究下地壳岩石和变质岩。
英文摘要
0001152 Williams0001131 Bowring The presence of high-pressure rocks at the surface implies considerable crustal-scale tectonism, however the processes by which this occurs during the evolution of a continental shield is not well understood. This project will examine the Snowbird tectonic zone of the western Canadian Shield to test two models for the age and tectonic scenario responsible. The work also involves application and refinement of a new electron microproble age mapping and dating technique that may prove to be widely applicable to studies of lower crustal rocks and metamorphosed rocks in general.
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会议论文
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  • 批准号：
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  • 项目类别：
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  • 资助金额：
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  • 批准年份：
    2024
  • 负责人：
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  • 依托单位：
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