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Petrological and Geochemical Investigation of Superfast Spreading Segments of the East Pacific Rise, 13-23 Degrees South

Petrological and Geochemical Investigation of Superfast Spreading Segments of the East Pacific Rise, 13-23 Degrees South
南纬 13-23 度东太平洋海隆超快扩张段的岩石学和地球化学调查
批准号：
8922978
负责人：
John Sinton
金额：
$14.5万
依托单位：
University of Hawaii
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1990
资助国家：
美国
项目状态：
已结题
起止时间：
1990-08-01 至 1993-07-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=8922978&HistoricalAwards=false
关键词：
PetrologicalGeochemicalInvestigationSuperfastSpreading

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英文摘要
The investigators intend to obtain mineral, glass and whole rock geochemical and glass isotopic data on a selected suite of samples from superfast spreading segments of the East Pacific Rise in order to continue their investigation of, the petrological and geochemical process involved in rift failure at superfast spreading; the fine-scale temporal and spatial variability of some well-sampled axial segments and associated near-ridge seamounts, the processes contributing to the variability across segment boundaries with little structural manifestation, and the origin and evolution of silicic lavas associated with devals and propagating rifts at superfast spreading.
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