Collaborative Research: Geochemical Imaging of Sediment Subduction and Accretion at Convergent Margins Using Cosmogenic 10Be
Collaborative Research: Geochemical Imaging of Sediment Subduction and Accretion at Convergent Margins Using Cosmogenic 10Be
批准号:
9314506
负责人:
Julie Morris
金额:
$9.33万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1994
资助国家:
美国
项目状态:
已结题
起止时间:
1994-02-01 至 1997-07-31
中文摘要
这项研究将使用Be和b同位素作为进入活跃边缘火山活动的沉积物的示踪剂。10-Be的浓度可以在传入(俯冲)沉积物和火山沉积物之间进行比较,并用于确定沉积物增生、俯冲和再循环的比例。然后,划分可用于确定边缘处的质量通量,并与地震成像得出的估算值进行比较。
英文摘要
9314506 Morris This study will use Be and b isotopes as tracers of the Sediment input into active margin volcanism. Concentrations of 10-Be can be compared between incoming (subducted) sediment and the volcanic, and used to determine the proportions of sediment accreted, subducted and recycled. The partitioning can then be used to determine mass fluxes at margins, to be compared with estimates derived from seismic imaging.
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Pb Speciation, Groundwater Mobility and Bioavailability Through A Forested Ecosystem
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依托单位:
The Subduction Factory: Proposal for a Workshop
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批准号:9730301
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项目类别:Standard Grant
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资助金额:$2.88万
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依托单位:
A Structural Analysis of Sediment Subduction Off Nicaragua: Why the 10Be Anomaly?
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批准号:9523409
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项目类别:Standard Grant
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资助金额:$5.33万
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财政年份:1995
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依托单位:
Collaborative Research: A Textural, Petrologic and Chemical Investigation of Multi-Stage Histories Recorded in Mantle Xenoliths from Volcanic Arcs
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批准号:9401930
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项目类别:Standard Grant
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资助金额:$5.49万
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财政年份:1994
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依托单位:
Subduction Recycling at Convergent Margins: Extensions of Be isotope and B-Li-Be Systematics of Volcanic Arc Magmas (COLLABORATIVE RESEARCH)
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批准号:9004389
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项目类别:Standard Grant
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资助金额:$7.89万
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财政年份:1990
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负责人:Julie Morris
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依托单位:
COLLABORATIVE RESEARCH: 10 Be and 9 Be in Volcanic Arc Lavas: Investigation of Sediment Recycling
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批准号:8722144
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项目类别:Standard Grant
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资助金额:$7.0万
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财政年份:1988
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负责人:Julie Morris
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依托单位:
国内基金
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