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Collaborative Research: Volatiles in Mantle Plumes: Implications for Geochemical Cycling of Volatile Elements

Collaborative Research: Volatiles in Mantle Plumes: Implications for Geochemical Cycling of Volatile Elements
合作研究:地幔柱中的挥发物:对挥发性元素地球化学循环的影响
批准号:
9626924
负责人:
Jean - guy Schilling
金额:
$11.25万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1996
资助国家:
美国
项目状态:
已结题
起止时间:
1996-10-15 至 2000-09-30

项目摘要

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中文摘要
翻译
该项目将分析来自四个地区的玄武岩玻璃中的水和二氧化碳,这些地区被选择来代表不同的地幔岩浆来源。 重同位素和He-3区分深(原生)和浅(再循环)地幔柱水库。 挥发物的特性将有助于了解熔体的物理特性和分馏,以及俯冲带物质再循环造成的地壳污染程度。
英文摘要
This project will analyze the water and carbon dioxide in basalt glasses from four areas chosen to represent different mantle magma sources. Heavy isotopes and He-3 distinguish deep (primary) and shallow (recycled) mantle-plume reservoirs. Characterization of the volatiles will contribute to understanding physical properties and fractionation of the melts, as well as the degree of crustal contamination resulting from recycling of subduction-zone material.
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  • 项目类别:
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  • 项目类别:
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  • 财政年份:
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海外基金
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  • 批准年份:
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  • 负责人:
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  • 依托单位:
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