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Petrogenesis of the Lower Crust in a Collisional Zone: S. W. Norway

Petrogenesis of the Lower Crust in a Collisional Zone: S. W. Norway
碰撞带下地壳的岩石成因:挪威西南部
批准号:
8721037
负责人:
Alan Zindler
金额:
$0.0万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1988
资助国家:
美国
项目状态:
已结题
起止时间:
1988-08-01 至 1990-01-31

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中文摘要
翻译
本研究的目的是量化记录在来自挪威的隆起变质杂岩中的大陆碰撞期间高级地壳岩石的地球化学演化。将研究产热元素(U、K、Th)和Sr、Nd、Pb同位素在地壳上下部分的再分布。此外,还将通过Sm-Nd年代学和同位素示踪研究,探讨幔源镁铁岩和超镁铁岩的岩石学和构造演化。这些研究的目的是评估变质叠加的表观年代学和调查的化学和同位素演化的元古代地幔下波罗的海盾。
英文摘要
The goal of this study is to quantify geochemical evolution of high grade crustal rocks during continental collision recorded in uplifted metamorphic complexes from Norway. Redistribution of heat-producing elements (U, K, Th) and of Sr, Nd, and Pb isotopes will be investigated in upper and lower crustal sections. In addition the petrologic and tectonic evolution of mantle-derived mafic and ultramafic rocks will be investigated through Sm-Nd geochronology and isotopic tracer studies. These studies are designed to evaluate metamorphic overprinting on the apparent chronology and to investigate chemical and isotopic evolution of Proterozoic mantle beneath the Baltic Shield.
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U-Th Systematics of Primitive Icelandic Basalts: Building a Foundation for Interpreting U-Th Disequilibrium in MORBs
  • 批准号:
    9628083
  • 项目类别:
    Standard Grant
  • 资助金额:
    $30.0万
  • 财政年份:
    1996
  • 负责人:
    Alan Zindler
  • 依托单位:
Acquisition of an ICP-MS for Elemental Concentration Analysis in Earth Sciences Research
  • 批准号:
    9601952
  • 项目类别:
    Standard Grant
  • 资助金额:
    $26.75万
  • 财政年份:
    1996
  • 负责人:
    Alan Zindler
  • 依托单位:
Renovation of the Carraway Building Research Facilities
  • 批准号:
    9415178
  • 项目类别:
    Standard Grant
  • 资助金额:
    $61.0万
  • 财政年份:
    1995
  • 负责人:
    Alan Zindler
  • 依托单位:
Technician Support for L-DGO Solid-Source Isotope Facility: Phase I
  • 批准号:
    9596060
  • 项目类别:
    Standard Grant
  • 资助金额:
    $1.08万
  • 财政年份:
    1994
  • 负责人:
    Alan Zindler
  • 依托单位:
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