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Cenozoic History of Lithium Isotopes in Seawater as Recorded in Foraminifera - A Feasibility Study

Cenozoic History of Lithium Isotopes in Seawater as Recorded in Foraminifera - A Feasibility Study
有孔虫记录的海水中锂同位素的新生代历史 - 可行性研究
批准号:
0455543
负责人:
Philip Froelich
金额:
$9.22万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2004
资助国家:
美国
项目状态:
已结题
起止时间:
2004-11-01 至 2005-03-31

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中文摘要
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英文摘要
The effort will develop ICP-MS analytical methods needed to analyze lithium isotopes in small samples (~2mg) of planktic foraminifers. If the technique, which utilizes a quadrupole ICP-MS, is successful the study will analyze core top samples to determine if current seawater Li-isotope signal is accurately recorded and retained in chemically cleaned planktic foraminifer shells. In addition the study will analyze separate species of planktic foraminifers in core top samples to test for isotopic fractionation among different species as a function of biologic or calcification depth.
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Cenozoic History of Lithium Isotopes in Seawater as Recorded in Foraminifera - A Feasibility Study
  • 批准号:
    0241807
  • 项目类别:
    Standard Grant
  • 资助金额:
    $10.62万
  • 财政年份:
    2003
  • 负责人:
    Philip Froelich
  • 依托单位:
Collaborative Research: Paleoproxies and Benthic Fluxes - Establishing the Bottom Boundary Relationships for Ba, U, Mo and Ge
  • 批准号:
    0095064
  • 项目类别:
    Standard Grant
  • 资助金额:
    $13.0万
  • 财政年份:
    2001
  • 负责人:
    Philip Froelich
  • 依托单位:
Development and Application of AMS Carbon-14 Chronologies from Organic Carbon in Antarctic Marine Sediments
  • 批准号:
    9813941
  • 项目类别:
    Standard Grant
  • 资助金额:
    $12.97万
  • 财政年份:
    1998
  • 负责人:
    Philip Froelich
  • 依托单位:
Ge/Si-Opal and the "Missing Sink"-Investigation of Germanium Geochemistry and Paleoredox
  • 批准号:
    9811199
  • 项目类别:
    Standard Grant
  • 资助金额:
    $22.0万
  • 财政年份:
    1998
  • 负责人:
    Philip Froelich
  • 依托单位:
海外基金