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The Determination of the Osmium Budget of the Oceans

The Determination of the Osmium Budget of the Oceans
海洋锇收支的确定
批准号:
0099231
负责人:
Mukul Sharma
金额:
$19.5万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2001
资助国家:
美国
项目状态:
已结题
起止时间:
2001-04-01 至 2006-03-31

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中文摘要
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英文摘要
The goals of this proposal are to understand the Os abundances and 187Os/188Os of the ocean as well as the fluxes of Os into and out of the oceans, needed to determine the geochemical budget of Os in the oceans, its residence time and the possible utility of Os data for paleoclimatic studies. Analyses will be carried out for hydrothermal fluids from Juan de Fuca, organic-rich black shales, tributaries of the Orinoco river, and Mn crusts and nodules in order to constrain the budget of Os in the oceans.
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Collaborative Research: Investigating Geochemical Signatures in Greenland Ice of a Possible Extraterrestrial Impact During the Younger Dryas Climate Event
  • 批准号:
    1417395
  • 项目类别:
    Standard Grant
  • 资助金额:
    $22.46万
  • 财政年份:
    2014
  • 负责人:
    Mukul Sharma
  • 依托单位:
A Test for the Extraterrestrial Origin of the Magnetic Spherules/Grains at the Younger Dryas Boundary
  • 批准号:
    0948426
  • 项目类别:
    Standard Grant
  • 资助金额:
    $8.85万
  • 财政年份:
    2010
  • 负责人:
    Mukul Sharma
  • 依托单位:
Collaborative Research: Intercalibrating Analytical Methods for Osmium Isotopes and Concentrations in Seawater
  • 批准号:
    0751649
  • 项目类别:
    Standard Grant
  • 资助金额:
    $4.56万
  • 财政年份:
    2008
  • 负责人:
    Mukul Sharma
  • 依托单位:
Search for Hadean Protocrust in Modern Mantle
  • 批准号:
    0510589
  • 项目类别:
    Standard Grant
  • 资助金额:
    $0.0万
  • 财政年份:
    2005
  • 负责人:
    Mukul Sharma
  • 依托单位:
海外基金