Collaborative Reseach: Fullerenes and the Extraterrestrial Flux of Helium to the Surface of the Earth over Geologic Time
Collaborative Reseach: Fullerenes and the Extraterrestrial Flux of Helium to the Surface of the Earth over Geologic Time
批准号:
0001270
负责人:
Robert Poreda
金额:
$8.62万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2000
资助国家:
美国
项目状态:
已结题
起止时间:
2000-05-01 至 2002-04-30
中文摘要
该项目将分析新生代深海沉积物中全相和矿物相的3He含量,以便在陆相和地外相之间分配3He收支平衡,并评估进入地球的惰性气体流量的变化。
英文摘要
This project will analyze Cenozoic deep sea sediments for their content of 3 He in fullereness and in mineral phases in order to partition the 3 He budget among terrestrial and extraterrestrial phases, and to assess the variation in extraterrestrial flux of noble gases to the planet.
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Collaborative Research: The Timing of Holocene Climate Change in the McMurdo Dry Valleys, Antarctica
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批准号:0440672
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项目类别:Standard Grant
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资助金额:$3.21万
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财政年份:2005
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负责人:Robert Poreda
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依托单位:
COLLABORATIVE RESEARCH: Radiogenic Helium as a Chronologic Tracer for Young Groundwater
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批准号:9627898
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项目类别:Continuing Grant
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资助金额:$11.99万
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财政年份:1996
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负责人:Robert Poreda
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依托单位:
Petrological, Geochemical, & Geochronological Investigation of the Easter Island Seamount Volcanic Chain, Southeast Pacific: A Group Proposal
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批准号:9531888
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项目类别:Standard Grant
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资助金额:$4.19万
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财政年份:1995
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负责人:Robert Poreda
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依托单位:
Continued Use of Cosmogenic 3He and 21 Ne in Dating Geomorphic Surfaces
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批准号:9218878
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项目类别:Standard Grant
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资助金额:$6.51万
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财政年份:1993
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负责人:Robert Poreda
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依托单位:
GLORIA and Geochemical Investigation of the Easter Seamount Chain
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批准号:9214494
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项目类别:Standard Grant
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资助金额:$2.22万
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财政年份:1993
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负责人:Robert Poreda
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依托单位:
Collaborative Research: Mantle Plume Dynamics and Noble Gases Isotope Systematics Along the Mid-Atlantic Ridge
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批准号:9301602
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项目类别:Continuing Grant
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资助金额:$17.23万
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财政年份:1993
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负责人:Robert Poreda
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依托单位:
Collaborative Research: Rare Gases in Samoan Xenoliths
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批准号:9205054
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项目类别:Standard Grant
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资助金额:$5.22万
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财政年份:1992
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负责人:Robert Poreda
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依托单位:
Rare Gases in Samoan Xenoliths
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批准号:9105032
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项目类别:Standard Grant
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资助金额:$5.3万
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财政年份:1991
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负责人:Robert Poreda
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依托单位:
Acquisition of a Rare Gas Mass Spectrometer
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批准号:8816689
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项目类别:Standard Grant
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资助金额:$10.5万
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财政年份:1989
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负责人:Robert Poreda
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依托单位:
海外基金