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SGER: Detailed Petrological Investigation of Cretaceous Oceanic Basalts from the Western Pacific

SGER: Detailed Petrological Investigation of Cretaceous Oceanic Basalts from the Western Pacific
SGER：西太平洋白垩纪海洋玄武岩的详细岩石学调查
批准号：
9312446
负责人：
Paterno Castillo
金额：
$5.0万
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：
1993
资助国家：
美国
项目状态：
已结题
起止时间：
1993-07-01 至 1994-12-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9312446&HistoricalAwards=false
关键词：
SGERDetailedPetrologicalInvestigationCretaceous

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英文摘要
Cretaceous basalts were recovered during a number of DSDP Legs form the western Pacific. The age of this crust is clearly anomalous and how such voluminous crust formed is a difficult problem. So far, researchers have not dealt with these samples because of their high degree of alteration and difficulty in analyzing such altered samples for their isotopic ratios. The PI will develop a new technique to analyze them and these analyses will minimize alteration effects on chemical composition. The data to be gathered will be important in deciphering the origin(s) of this Cretaceous crust.
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