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Assembling a Continent: Deep Crustal Processes at an Archean Plate Boundary, Snowbird Tectonic Zone, Saskatchewan

Assembling a Continent: Deep Crustal Processes at an Archean Plate Boundary, Snowbird Tectonic Zone, Saskatchewan
组装大陆:萨斯喀彻温省雪鸟构造带太古代板块边界的深层地壳过程
批准号:
9406443
负责人:
Michael Williams
金额:
$17.99万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1994
资助国家:
美国
项目状态:
已结题
起止时间:
1994-07-01 至 1997-12-31

项目摘要

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中文摘要
翻译
小行星9406443威廉姆斯 早期地球的构造是有争议和难以研究的。 雪鸟构造带是萨斯喀彻温省北方构造省之间的一条长边界,最近在中太古代(3.2 Ga)被特科化。这些岩石含有异常明显的高压矿物和构造,推测是由于太古代的碰撞。 该项目将研究雪鸟带内的三个不同的构造,以揭示每个构造是如何形成的,以及它们是如何通过太古代构造位移连接起来的。 这一结果对地幔的早期发育,特别是地壳深部过程具有重要意义。
英文摘要
9406443 Williams The tectonics of the early earth is controversial and difficult to study. The snowbird tectonic zone is a long boundary between northern Saskatchewan tectonic provinces, that has recently been tecontized in the mid-Archean (3.2 Ga). These rocks contain unusually well perceived high pressure minerals and fabrics presumably due to Archean collisions. This project will study three distinct terranes within the Snowbird zone to unravel how each formed and how they came to be joined by Archean tectonic displacement. Results have considerable significance to the early development of cratons, especially deep crustal processes.
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Collaborative Research: Equipment: Acquisition of a Confocal Micro-Raman Spectroscopy System at the University of Massachusetts and Amherst College
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    2225642
  • 项目类别:
    Standard Grant
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    $25.12万
  • 财政年份:
    2023
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Collaborative Research: Impact of Magmatic Underplating on the Evolution of Lower Continental Crust
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    2317815
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    Standard Grant
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MRI: Acquisition of a Modern Electron Microprobe, University of Massachusetts
  • 批准号:
    1726685
  • 项目类别:
    Standard Grant
  • 资助金额:
    $77.0万
  • 财政年份:
    2017
  • 负责人:
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Collaborative Research: Preserving Evidence of Extreme Metamorphism in the Rhodope Complex
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    1650266
  • 项目类别:
    Standard Grant
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  • 财政年份:
    2017
  • 负责人:
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  • 依托单位:
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