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Petrogenesis of Acasta Gneisses, NWT

Petrogenesis of Acasta Gneisses, NWT
西北地区阿卡斯塔片麻岩的岩石成因
批准号:
408428-2011
负责人:
Chacko, Thomas
金额:
$1.09万
依托单位:
依托单位国家:
加拿大
项目类别:
Discovery Grants Program - Northern Research Supplement
财政年份:
2011
资助国家:
加拿大
项目状态:
已结题
起止时间:
2011-01-01 至 2012-12-31

项目摘要

项目成果

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中文摘要
翻译
地球的陆壳和洋壳在太阳系中是独一无二的,在地球岩石圈、大气层和生物圈的演化中发挥了核心作用。地壳在地球历史早期形成和稳定的机制一直是地质科学中悬而未决的问题之一。在这项申请中,我建议调查地球上已知的最古老的岩石,大约40亿年前的加拿大地盾西北部的阿卡斯塔片麻岩。该项目旨在确定这些岩石的常量元素、微量元素和氧同位素组成,并利用这些数据来了解这块古老陆壳的形成过程。
英文摘要
Earth's continental and oceanic crust, the combination of which is unique in the solar system, has played a central role in the evolution of the planet's lithosphere, atmosphere, and biosphere. The mechanisms by which this crust formed and stabilized early in Earth history remains one of the outstanding questions in the geological sciences. In this application, I propose to investigate the oldest known rocks on Earth, the circa 4 billion year old Acasta gneisses of the northwestern Canadian Shield. The project aims to determine the major-element, trace-element and oxygen isotope composition of these rocks and to use these data to understand the processes responsible for the formation of this ancient piece of continental crust.
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Evolution of Earth's Earliest Crust
  • 批准号:
    RGPIN-2016-04479
  • 项目类别:
    Discovery Grants Program - Individual
  • 资助金额:
    $6.12万
  • 财政年份:
    2021
  • 负责人:
    Chacko, Thomas
  • 依托单位:
Evolution of Earth's Earliest Crust
  • 批准号:
    RGPIN-2016-04479
  • 项目类别:
    Discovery Grants Program - Individual
  • 资助金额:
    $3.06万
  • 财政年份:
    2019
  • 负责人:
    Chacko, Thomas
  • 依托单位:
Evolution of Earth's Earliest Crust
  • 批准号:
    RGPIN-2016-04479
  • 项目类别:
    Discovery Grants Program - Individual
  • 资助金额:
    $3.06万
  • 财政年份:
    2018
  • 负责人:
    Chacko, Thomas
  • 依托单位:
Evolution of Earth’s Earliest Crust
  • 批准号:
    RGPIN-2016-04479
  • 项目类别:
    Discovery Grants Program - Individual
  • 资助金额:
    $3.06万
  • 财政年份:
    2017
  • 负责人:
    Chacko, Thomas
  • 依托单位:
国内基金
海外基金
Acasta ~4.0 Ga片麻岩Si-O同位素组成及其对地球早期构造环境的制约
Acasta ~4.0 Ga片麻岩Si-O同位素组成及其对地球早期构造环境的制约