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The Evolution of the Iceland Plume: Pb and Nd Isotope Constraints

The Evolution of the Iceland Plume: Pb and Nd Isotope Constraints
冰岛羽流的演化：Pb 和 Nd 同位素约束
批准号：
8817187
负责人：
Barry Hanan
金额：
$1.69万
依托单位：
University of Rhode Island
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
1989
资助国家：
美国
项目状态：
已结题
起止时间：
1989-02-01 至 1990-01-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=8817187&HistoricalAwards=false
关键词：
EvolutionIcelandPlumePbNd

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中文摘要
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英文摘要
This award will continue a project to study temporal Pb isotope variation and to establish the temporal Nd isotopic variation in the Tertiary basalts of Iceland, the prototype for ridge-centered hot spots. It should increase understanding of the Iceland plume, as well as the relationship between hotspots, mantle heterogeneity and mantle dynamics in general. Three mantle components have been recognized so far and this study will focus on establishing more precisely the temporal variation and systematics of the three-component mixing.
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Collaborative Research: Constraining the temporal evolution of mantle plume contributions to magmatism in the Turkana Depression
Collaborative Research: An Isotopic and Trace Element Study of Links Between Source Heterogeneity and Mantle Melting Beneath the Southeast Indian Ridge
Collaborative Research: A High-Resolution, Multi-Isotopic Study of Upper Mantle Heterogeneity Beneath the Southeast Indian Ridge
Collaborative Research: Hotspot Rift Interaction & Geochemistry of the North Atlantic Mantle: A U.S.-Norwegian Expedition to Sample the Aegir Ridge "Hole" in the Iceland Hots
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