Chimneys Forming from Vent Fluids at 231 to 405 degrees C: Examination of Critical Point Phenomena, Mineral Assemblages, and Implications for Microbial Habitats
Chimneys Forming from Vent Fluids at 231 to 405 degrees C: Examination of Critical Point Phenomena, Mineral Assemblages, and Implications for Microbial Habitats
批准号:
0002634
负责人:
Margaret Tivey
金额:
$15.53万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2000
资助国家:
美国
项目状态:
已结题
起止时间:
2000-12-01 至 2004-11-30
中文摘要
该项目将研究海底热液喷口沉积物中存在的矿物组合范围和可能的微生物环境,并观察热液系统中的矿物沉淀在接近临界点的条件下是如何受到影响的。重点是在烟囱内不同的排气口微生物栖息地收集的29对排气口流体/排气口固体样品,这些样品受到温度和排气口流体组成差异的影响,绘制烟囱中不同微生物群可能茁壮成长的电话,记录水临界点附近相分离对矿物沉积的影响。
英文摘要
This project will examine the range of mineral assemblages and possible microbial environments present within seafloor hydrothermal vent deposits, and observe how mineral precipitation in hydrothermal systems is affected at near criticl point conditions. Focus will be on 29 selected pairs of vent fluid/vent solid samples collected at a diversity of vent microbial habitats within chimneys are affected by differences in the temperature and composition of the vent fluid, map pones in chimneys where different groups of microbes could thrive, document the effects of phase separation near the criticl point of water on mineral deposition.
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财政年份:2017
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Lau Basin Vent Deposit Morphology and Composition: Links to Geologic Setting and Vent Fluid Chemistry
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财政年份:2010
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依托单位:
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依托单位:
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资助金额:$17.11万
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财政年份:2008
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依托单位:
Permeability-Porosity Relationships in Seafloor Vent Deposits: Dependence on Pore Evolution Processes
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财政年份:2007
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依托单位:
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依托单位:
Collaborative Research: Sampling and Initial Characterization of Hydrothermal Fluids, Deposits, Microfauna and Megafauna at Vent Fields along the Eastern Lau Spreading Center
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批准号:0241796
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资助金额:$37.03万
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批准号:0118394
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资助金额:$31.7万
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依托单位:
Laboratory Quantification of Permeability and Pore Structure in Seafloor Hydrothermal Vent Deposit Samples
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批准号:9986456
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Secondary Ion Mass Spectrometry (SIMS) Analyses of Trace Elements in Seafloor Massive Sulfides
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资助金额:$20.19万
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依托单位:
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依托单位:
国内基金
海外基金
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项目类别:面上项目
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依托单位: