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Collaborative Research: Structure and Composition of Fast-Spread EPR (East Pacific Rise) Oceanic Crust Exposed at Pito Deep

Collaborative Research: Structure and Composition of Fast-Spread EPR (East Pacific Rise) Oceanic Crust Exposed at Pito Deep
合作研究：皮托深海暴露的快速扩散的 EPR（东太平洋海隆）洋壳的结构和成分
批准号：
0221948
负责人：
Jeffrey Gee
金额：
$7.96万
依托单位：
University of California-San Diego Scripps Inst of Oceanography
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：
2004-02-15 至 2007-01-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0221948&HistoricalAwards=false
关键词：
CollaborativeResearchStructureCompositionFast

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中文摘要
翻译
摘要：在这项合作调查中，将对位于 EPR 复活节微板块东北边缘的 Pito Deep 暴露上洋壳的主要裂谷悬崖进行嵌套规模的调查和采样。 主要断层陡坎界定了沿复活节微板块东北边缘传播的裂谷，以直角切割深海山地貌和磁异常，形成了洋壳的自然横截面。 将使用 DSL-120 侧扫声纳定位露头区域，并使用 ALVIN 和 Jason II 进行观察。 这项研究的基本原理是扩展对上洋地壳内部结构和组成的了解，并通过推断了解超快扩张脊的过程。
英文摘要
AbstractIn this collaborative investigation, a nested-scale survey of major rift escarpments that expose the upper oceanic crust at Pito Deep, located on the northeast edge of the Easter microplate on the EPR will be surveyed and sampled. Major fault scarps bounding a propagating rift along the NE edge of the Easter Microplate cut abyssal hill lineaments and magnetic anomalies at right angles creating a natural cross section of the oceanic crust. Outcrop areas would be located using DSL-120 sidescan sonar, and observed using ALVIN and Jason II. The rationale for this investigation is to extend knowledge of the internal structure and composition of the upper oceanic crust, and by inference, processes at superfast spreading ridges.
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  • 批准号：
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  • 项目类别：
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  • 资助金额：
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  • 批准年份：
    2024
  • 负责人：
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  • 依托单位：
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