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Collaborative Research: Dating Sedimentary Sequences: In Situ U/Th-Pb Microprobe Dating of Early Diagenetic Monazite in Neoproterozoic Black Shales

Collaborative Research: Dating Sedimentary Sequences: In Situ U/Th-Pb Microprobe Dating of Early Diagenetic Monazite in Neoproterozoic Black Shales
合作研究:沉积层序测年:新元古代黑色页岩中早成岩独居石原位 U/Th-Pb 微探针测年
批准号:
0643364
负责人:
Laura Crossey
金额:
$2.92万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2007
资助国家:
美国
项目状态:
已结题
起止时间:
2007-07-15 至 2009-06-30

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中文摘要
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英文摘要
This study will provide new technologies to directly date sedimentary sequences. Proof of the concept will come from dating Neoproterozoic black shales in Grand Canyon via in situ U/Th-Pb microprobe dating of authigenic grains that were precipitated by microbial processes near the time of lithification. New technologies will minimize electron beam diameter, count rate, background regression, conductive coating, interference correction, and error estimation. Geologic applications include precise dating of Neoproterozoic C-isotope excursions.
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Collaborative Research: Helium-isotope Systematics Along Seismic Profiles in Tibet to Study Geometry of Indian and Tibetan Lithosphere
  • 批准号:
    1627930
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $8.45万
  • 财政年份:
    2016
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    1545986
  • 项目类别:
    Standard Grant
  • 资助金额:
    $19.42万
  • 财政年份:
    2016
  • 负责人:
    Laura Crossey
  • 依托单位:
"Continental Smokers": evaluating mantle degassing, CO2 flux, geomicrobiology, and water quality in extensional continental regimes
  • 批准号:
    0838575
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $29.5万
  • 财政年份:
    2009
  • 负责人:
    Laura Crossey
  • 依托单位:
Collaborative Research: CO2 Springs and Travertines of the Southwestern US: Hydrologic Pathways Linking Tectonism to Water Quality
  • 批准号:
    0538304
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $14.23万
  • 财政年份:
    2006
  • 负责人:
    Laura Crossey
  • 依托单位:
国内基金
海外基金
Research on Quantum Field Theory without a Lagrangian Description
  • 批准号:
    24ZR1403900
  • 项目类别:
    省市级项目
  • 资助金额:
    --
  • 批准年份:
    2024
  • 负责人:
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  • 依托单位:
Cell Research
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Cell Research (细胞研究)