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Seismic Structure of Ultramafics at Shallow Crustal levels from On-Bottom Refraction at the Mid-Atlantic Ridge

Seismic Structure of Ultramafics at Shallow Crustal levels from On-Bottom Refraction at the Mid-Atlantic Ridge
从大西洋中脊底部折射得到的浅地壳层超镁铁质地震结构
批准号：
9819297
负责人：
John Collins
金额：
$17.21万
依托单位：
Woods Hole Oceanographic Institution
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1999
资助国家：
美国
项目状态：
已结题
起止时间：
1999-03-01 至 2004-02-29
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9819297&HistoricalAwards=false
关键词：
SeismicStructureUltramaficsShallowCrustal

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英文摘要
A series of both on-bottom seismic refraction experiments using bottom shots and receivers, and seismic refraction profiles using airgun shots and seafloor receivers was conducted on the Mid-Atlantic Ridge in locations where there are extensive outcrops of mantle peridotites. The objectives of this project are to: (1) determine the depth extend of ultramafic bodies found in the three locations, (2) contrast the velocity structure at these known peridotite outcrops with that found in a typical extrusive-dike-gabbro igneous section formed at a fas spreading ridge, and (3) use the fine-scale velocity structure of these peridotite exposures to identify massive, unfractured outcrops where drilling conditions are good.
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Renewal of the Ocean Bottom Seismic Instrument Center at Woods Hole Oceanographic Institution
  • 批准号：
    2316001
  • 项目类别：
    Cooperative Agreement
  • 资助金额：
    $999.94万
  • 财政年份：
    2023
  • 负责人：
    John Collins
  • 依托单位：
    Woods Hole Oceanographic Institution
Doctoral Dissertation Research: Blockchain and the Frontiers of Provenance and Risk in the Cattle Ranching Industry
Mid-scale RI-1 (M1:DP): Design and Construction of a New Generation of Ocean-Bottom Seismographs for the U.S. Academic Community
  • 批准号：
    2131932
  • 项目类别：
    Standard Grant
  • 资助金额：
    $649.61万
  • 财政年份：
    2021
  • 负责人：
    John Collins
  • 依托单位：
    Woods Hole Oceanographic Institution
Collaborative Research: Mapping and Understanding Seismic Anisotropy in the Northeast Pacific Ocean
  • 批准号：
    1830991
  • 项目类别：
    Continuing Grant
  • 资助金额：
    $17.88万
  • 财政年份：
    2020
  • 负责人：
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  • 依托单位：
    Woods Hole Oceanographic Institution
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