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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:
0643243
负责人:
Michael Williams
金额:
$0.0万
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
翻译
该研究将为沉积层序的直接测年提供新技术。这一概念的证明将来自大峡谷新元古代黑色页岩的定年,通过原位U/Th-Pb微探针对自生颗粒进行定年,这些颗粒是在岩化作用时期附近由微生物过程沉淀的。新技术将最小化电子束直径、计数率、背景回归、导电涂层、干涉校正和误差估计。地质应用包括新元古代c同位素漂移的精确定年。
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: Equipment: Acquisition of a Confocal Micro-Raman Spectroscopy System at the University of Massachusetts and Amherst College
  • 批准号:
    2225642
  • 项目类别:
    Standard Grant
  • 资助金额:
    $25.12万
  • 财政年份:
    2023
  • 负责人:
    Michael Williams
  • 依托单位:
Collaborative Research: Impact of Magmatic Underplating on the Evolution of Lower Continental Crust
  • 批准号:
    2317815
  • 项目类别:
    Standard Grant
  • 资助金额:
    $20.47万
  • 财政年份:
    2023
  • 负责人:
    Michael Williams
  • 依托单位:
MRI: Acquisition of a Modern Electron Microprobe, University of Massachusetts
  • 批准号:
    1726685
  • 项目类别:
    Standard Grant
  • 资助金额:
    $77.0万
  • 财政年份:
    2017
  • 负责人:
    Michael Williams
  • 依托单位:
Collaborative Research: Preserving Evidence of Extreme Metamorphism in the Rhodope Complex
  • 批准号:
    1650266
  • 项目类别:
    Standard Grant
  • 资助金额:
    $17.62万
  • 财政年份:
    2017
  • 负责人:
    Michael Williams
  • 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:
    SATOSHI NAWATA
  • 依托单位:
Cell Research
Cell Research
Cell Research (细胞研究)