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Geochemical and Geochronologic Studies of Earth's Oldest Crust

Geochemical and Geochronologic Studies of Earth's Oldest Crust
地球最古老地壳的地球化学和地质年代学研究
批准号:
0910442
负责人:
Richard Carlson
金额:
$30.16万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2009
资助国家:
美国
项目状态:
已结题
起止时间:
2009-06-01 至 2012-05-31

项目摘要

项目成果

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中文摘要
翻译
该项目利用同位素地球化学来确定魁北克北部Nuvvuagittuq带的基岩的年龄和特征。这些岩石可能有42.8亿年的历史,是地球上最古老的岩石之一。它们有可能提供对地球早期发生的分化过程的洞察-S历史,例如板块构造的开始和确定地球是否有岩浆海洋。更广泛的影响包括对一名同位素地球化学博士后的培训,以及与普通公众和生活在实地的土著因纽特人社区的接触。
英文摘要
This project uses isotope geochemistry to determine the age and characteristics of basement rocks of the Nuvvuagittuq belt in Northern Quebec. These rocks may be up to 4.28 billion years old, making them amongst the oldest on earth. They have the potential to offer insight into processes of differentiation that occurred early in the earth?s history, such as the start of plate tectonics and determining whether the earth had a magma ocean. The broader impacts include training of a postdoctoral fellow in isotope geochemistry, and outreach to the general public and an indigenous Inuit community living in the field area.
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Collaborative Research: Development of a high-efficiency mass spectrometer: transitioning a high-efficiency ion source to a modern mass spectrometer
  • 批准号:
    2016611
  • 项目类别:
    Standard Grant
  • 资助金额:
    $3.14万
  • 财政年份:
    2020
  • 负责人:
    Richard Carlson
  • 依托单位:
Development of a Simplified Cavity Thermal Ionization Source for Geoscience Applications
  • 批准号:
    1758571
  • 项目类别:
    Standard Grant
  • 资助金额:
    $17.72万
  • 财政年份:
    2018
  • 负责人:
    Richard Carlson
  • 依托单位:
MRI: Acquisition of a Thermal Ionization Mass Spectrometer for Studies of the Formation and Evolution of the Solid Earth
  • 批准号:
    1827460
  • 项目类别:
    Standard Grant
  • 资助金额:
    $51.22万
  • 财政年份:
    2018
  • 负责人:
    Richard Carlson
  • 依托单位:
Exploration of the Earliest Crust Forming Events on Earth
  • 批准号:
    1524384
  • 项目类别:
    Standard Grant
  • 资助金额:
    $33.19万
  • 财政年份:
    2015
  • 负责人:
    Richard Carlson
  • 依托单位:
海外基金