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Magmatic/Tectonic Controls on Hydrothermal Discharge Along the Axial Zone of the Ultrafast-Spreading EPR at 17-18 Degree S; A Near-Bottom Photo/Acoustic Survey Using ARGO II

Magmatic/Tectonic Controls on Hydrothermal Discharge Along the Axial Zone of the Ultrafast-Spreading EPR at 17-18 Degree S; A Near-Bottom Photo/Acoustic Survey Using ARGO II
岩浆/构造对南纬 17-18 度超快扩张 EPR 轴带热液排放的控制；
批准号：
9416996
负责人：
Rachel Haymon
金额：
$0.0万
依托单位：
University of California-Santa Barbara
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 2001-09-30
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9416996&HistoricalAwards=false
关键词：
MagmaticTectonicControlsHydrothermalDischarge

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中文摘要
翻译
ARGO II光纤近底光声系统将被用来探测南纬17度超快传播的东太平洋隆起的狭窄轴带。其目的是验证沿走向的温度梯度建立的岩浆供应分段模式对热液喷口和喷口生物群的分布和类型以及沿轴带的细尺度火山构造特征的变化起主要控制作用的假说。
英文摘要
The ARGO II fiber-optic near-bottom optical-acoustic system will be used to survey the narrow axial zone of the ultrafast spreading East Pacific Rise at 17 degrees south. The purpose is to test the hypothesis that along-strike thermal gradients set up the segmented pattern of magma supply exert primary control on the distribution and types of hydrothermal vents and vent biota, as well as on varioation in fine-scale volcanotectonic characteristics along the axial zone.
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Collaborative: Chimneys Forming from Vent Fluids at 231 deg to 405 deg C: Examination of Critical Point Phenomena, Mineral Assemblages, and Implications for Microbial Haitats
Acquisition of an Automated Powder X-Ray Diffractometer
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