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Submarine Alteration and Mineralization in Volcanic Arc Basement, ODP Site 786

Submarine Alteration and Mineralization in Volcanic Arc Basement, ODP Site 786
火山弧基底的海底蚀变和矿化，ODP 站点 786
批准号：
9217214
负责人：
Jeffrey Alt
金额：
$9.0万
依托单位：
Regents of the University of Michigan - Ann Arbor
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
1992
资助国家：
美国
项目状态：
已结题
起止时间：
1992-12-01 至 1995-05-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9217214&HistoricalAwards=false
关键词：
SubmarineAlterationMineralizationVolcanicArc

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中文摘要
翻译
该项目将对786号岩芯(伊祖-博宁弧)的蚀变物质进行详细的岩石学、地球化学性质和同位素(O、S、H&A；C)研究，该岩芯是弧形基底中最深的、回收率最好的岩芯。其目的是量化正在俯冲的蚀变物质的性质，与蛇绿岩杂岩进行比较，并对与弧型物质有关的热液硫化物矿床的成因进行限制。
英文摘要
This project will involve a detailed petrologic, geochemical, and isotopic (O,S,H & C) investigation of the alteration materials in Site 786 core (Izu-Bonin arc), which is the deepest core in an arc basement with the best recovery. The goal is to quantify the nature of the altered material that is being subducted, compare with ophiolite complexes, and obtain constraints on the origin of hydrothermal sulphide ore deposits associated with arc type materials.
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会议论文
Serpentinization processes in the subsurface of a seafloor ultramafic-hosted hydrothermal system
Organic Carbon in Altered Submarine Basalts: Tracing the Subsurface Biosphere and Role in the Global Carbon Cycle
Collaborative Research: Stable isotope tracers of the subsurface biosphere and its geochemical effects in oceanic ridge flank basement
The Role of Serpentinites in Subduction Recycling of Sulfur and Organic Carbon
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