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RUI: Jurassic-Cretaceous Tectonostratigraphy and Structure of the Western Margin of the Intermontane Terrane, Chilko Lake Area, British Columbia

RUI: Jurassic-Cretaceous Tectonostratigraphy and Structure of the Western Margin of the Intermontane Terrane, Chilko Lake Area, British Columbia
RUI:侏罗纪-白垩纪构造地层学和山间地体西缘结构,奇尔科湖地区,不列颠哥伦比亚省
批准号:
9304426
负责人:
Paul Umhoefer
金额:
$13.1万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1993
资助国家:
美国
项目状态:
已结题
起止时间:
1993-07-01 至 1997-06-30

项目摘要

项目成果

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中文摘要
翻译
北美西部边缘的大部分地区是由在过去300万年的俯冲过程中与大陆碰撞的地壳碎片组成的。不列颠哥伦比亚省和阿拉斯加的岛带是被吸积的最大板块之一。这个项目的重点是建立这个地球与北美“对接”的时间和性质。获取此类碰撞的时间和几何形状的数据对于了解该地区的整体构造演化非常重要。由于碰撞往往会破坏局部和通常是全球的俯冲模式,就了解板块运动变化的原因而言,这一新信息可能对整个地球都有意义。
英文摘要
Much of the western edge of North America is accreted, consisting of crustal fragments that collided with the mainland during subduction over the past 300 Ma. The Insular Belt of British Columbia and Alaska is one the largest pieces to have been accreted. This project is focused on establishing the timing and nature of "docking" of this terrane with North America. Acquisition of data on the timing and geometry of such collisions is important for understanding the overall tectonic evolution of the region. Because collisions tend to disrupt local and often global patterns of subduction, this new information may have whole earth significance in terms of understanding the causes of changes in plate motions.
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Collaborative Research: Evaluating the Influence of Eocene Ridge Subduction on Magmatism, Deformation, and Basin Evolution, Pacific NW
  • 批准号:
    1119063
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $11.09万
  • 财政年份:
    2012
  • 负责人:
    Paul Umhoefer
  • 依托单位:
COLLABORATIVE RESEARCH: Central Anatolian Tectonics (CD-CAT): Surface to mantle dynamics during collision to escape
  • 批准号:
    1109826
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $64.07万
  • 财政年份:
    2011
  • 负责人:
    Paul Umhoefer
  • 依托单位:
Collaborative Research: Reconstructions of the Gulf of California - Salton Trough Plate Boundary Since 14 Ma: A Digital Synthesis of Recent Advances and Outstanding Problems
  • 批准号:
    0948167
  • 项目类别:
    Standard Grant
  • 资助金额:
    $10.35万
  • 财政年份:
    2010
  • 负责人:
    Paul Umhoefer
  • 依托单位:
Collaborative Research: High-resolution Basin Analysis of a Large-offset Extensional System, Lake Mead Domain, East-Central Basin and Range Province
  • 批准号:
    0838596
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $19.77万
  • 财政年份:
    2009
  • 负责人:
    Paul Umhoefer
  • 依托单位:
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