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Volcanic Eruptions on Mid-Ocean Ridges: Insights into Axial Magma Chamber Processes

Volcanic Eruptions on Mid-Ocean Ridges: Insights into Axial Magma Chamber Processes
大洋中脊的火山喷发：洞察轴向岩浆室过程
批准号：
0241578
负责人：
John Sinton
金额：
$19.82万
依托单位：
University of Hawaii
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2003
资助国家：
美国
项目状态：
已结题
起止时间：
2003-08-01 至 2006-07-31
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0241578&HistoricalAwards=false
关键词：
VolcanicEruptionsMidOceanRidges

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英文摘要
This is a renewal of studies of volcanological phenomena at a superfast spreading mid-ocean ridge, with data from the southern East Pacific Rise. Mapping and sampling of seven lava flow sequences have been completed and has revealed that their size, along-axis continuity, internal chemical heteorgeneity, and relation to other lava sequences within individual ridge segments has implications for magmatic processes occurring in sub-axial magma chambers. The processes underlying the production of chemical heterogeneity in erupted lavas can now be studied, as well as the how the various magmatic processes operate on inter- and intra-eruption timescales.
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