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Li Isotopic Investigations of the Crust and Mantle

Li Isotopic Investigations of the Crust and Mantle
地壳和地幔的同位素研究
批准号：
0106719
负责人：
Roberta Rudnick
金额：
$5.0万
依托单位：
University of Maryland, College Park
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2001
资助国家：
美国
项目状态：
已结题
起止时间：
2001-08-01 至 2002-07-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0106719&HistoricalAwards=false
关键词：
LiIsotopicInvestigationsCrustMantle

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英文摘要
Rudnick0106719This pilot project will characterize the Li isotopic composition of the Earth's mantle. This project will concentrate on both solution and laser introduction of Li to our Nu plasma multicollector ICP-MS. We will begin by analysing international rock standards in solution, then will proceed with mineral separates from peridotites (olivine, orthopyroxene and clinopyroxene). Our ultimate goal is to determine the range of Li isotope values in the Earth's mantle, as sampled by a variety of peridotitic xenoliths derived from lithosphere of variable ages and tectonic settings that have experienced a variety of metasomatic overprinting processes. In addition, we hope to establish the degree of isotopic heterogeneity between coexisting phases.
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Collaborative Research: Halogen and chlorine isotope behavior during metamorphism of metapelitic rocks
How do sedimentary rocks become part of the lower continental crust?
2019 Interior of the Earth GRC/GRS
  • 批准号：
    1918478
  • 项目类别：
    Standard Grant
  • 资助金额：
    $4.8万
  • 财政年份：
    2019
  • 负责人：
    Roberta Rudnick
  • 依托单位：
    Gordon Research Conferences
Chalcophile Element Geochemistry
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