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A MCS Survey of the Lau Spreading Center: A New Look into Crustal Accretion at Back Arc Spreading Centers

A MCS Survey of the Lau Spreading Center: A New Look into Crustal Accretion at Back Arc Spreading Centers
刘扩展中心的 MCS 调查：后弧扩展中心地壳增生的新视角
批准号：
9529870
负责人：
Alistair Harding
金额：
$40.86万
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：
Continuing Grant
财政年份：
1999
资助国家：
美国
项目状态：
已结题
起止时间：
1999-01-01 至 2003-12-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9529870&HistoricalAwards=false
关键词：
MCSSurveyLauSpreadingCenter

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中文摘要
翻译
研究的目的是调查弧后背景下的地壳增生类型和参数及其与洋中脊的差异。 这项研究对推测在弧后环境中产生的蛇绿岩有影响。 本研究还将检验Lau扩张中心区构造历史的各种模型。 将用4公里160通道拖缆在9个采集日内对尤因的Lau盆地进行多通道地震反射勘测。
英文摘要
The objective of the study is to investigate crustal accretion styles and parameters in backarc setting and their differences from mid-ocean ridges. The study has implications for ophiolites that are presumed to be generated in backarc environments. The sutdy will also test various models of tectonic history of the Lau spreading center area. A multichannel seismic reflection survey of the Lau Basin on Ewing with a 4 km-160 channel streamer over 9 acquisition days will be undertaken.
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