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Seismic Investigation of Lithospheric Flexure Within the Ross Embayment, Antarctica

Seismic Investigation of Lithospheric Flexure Within the Ross Embayment, Antarctica
南极洲罗斯湾内岩石圈弯曲的地震调查
批准号:
8813162
负责人:
George Thompson
金额:
$9.16万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1988
资助国家:
美国
项目状态:
已结题
起止时间:
1988-07-15 至 1990-12-31

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中文摘要
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英文摘要
This investigation is a seismic study of lithospheric flexure induced by the loading associated with the geologically young Ross Archipelago, Antarctica. The study involves acquisition of both a 50km-long multichannel seismic reflection line on the ice shelf, adjacent to Ross Archipelago, and a wide-angle reflection profile perpendicular to the multichannel seismic line. This study is a joint project between scientists from Stanford University and the Department of Scientific and Industrial Research (DSIR) in New Zealand. The principal objective is to take advantage of the rare opportunity to study flexure associated with a well isolated, large, and easy to measure volcanic load emplaced on continental lithosphere. The strength of an extended continental lithosphere is a topic of considerable debate, with implications for the geotherm, composition and rheology of such regions, as well as the stratigraphy of the infilling sediments. A second objective is to investigate field and processing parameters necessary for a successful imaging of the sedimentary and crustal structure underlying a thick (several hundred meters) floating ice shelf, such as the Ross Ice Shelf.
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Seismic Investigation of Sediment Stratigraphy Beneath the East Antarctic Ice Cap
  • 批准号:
    9220462
  • 项目类别:
    Standard Grant
  • 资助金额:
    $8.97万
  • 财政年份:
    1993
  • 负责人:
    George Thompson
  • 依托单位:
Seismic Identification of Deep Reflectors and Structural Analysis of the Colorado Plateau Margin
  • 批准号:
    9017667
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $6.76万
  • 财政年份:
    1991
  • 负责人:
    George Thompson
  • 依托单位:
Crustal and Mantle Structure Beneath the Central California Margin: A Teleseismic Study
  • 批准号:
    9004177
  • 项目类别:
    Standard Grant
  • 资助金额:
    $5.0万
  • 财政年份:
    1990
  • 负责人:
    George Thompson
  • 依托单位:
A Deep Seismic Reflection Piggyback to Image the Colorado Plateau Margin
  • 批准号:
    8903541
  • 项目类别:
    Standard Grant
  • 资助金额:
    $10.5万
  • 财政年份:
    1989
  • 负责人:
    George Thompson
  • 依托单位:
海外基金