Causes and Consequences of Flow Organization During Melt Transport
Causes and Consequences of Flow Organization During Melt Transport
批准号:
9530307
负责人:
Marc Spiegelman
金额:
$27.08万
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:
1996-09-01 至 2000-08-31
中文摘要
OCE-9530307 地球化学和现场证据表明,熔体在地幔中的运输是本地化到某种形式的中尺度通道,但是,这种通道的形成机制,从颗粒尺度分布的熔体知之甚少。 两种可能的机制将被研究:(1)反应性inflitration不稳定性,这是熔体运动和化学溶解的流体力学之间的相互作用,和(2)由于局部压力graneints纯机械流动偏析。 一系列的数值模型问题将被用来量化这两个过程的行为和影响。
英文摘要
OCE-9530307 Geochemical and field evidence suggest that melt transport in the mantle is localized into some form of meso-scale channels; however, the mechanism for the formation of such channels from a grain-scale distribution of melt is poorly understood. Two possible mechanisms will be investigated: (1) reactive inflitration instability, which is an interaciton between the fluid-mechanics of melt motion and chemical dissolution, and (2) purely mechanical flow segregations due to local pressure graneints. A series of numerical model problems will be used to quantify the behavior and effects of both of these processes.
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CMG Research: Analysis and Application of XFEM to dynamic rupture processes in Earthquake physics
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依托单位:
Collaborative Research: Advanced models of magma migration at convergent MARGINS
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批准号:0841079
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项目类别:Continuing Grant
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资助金额:$27.61万
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财政年份:2009
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负责人:Marc Spiegelman
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依托单位:
CIG Workshop on Mathematical and Computational Issues in the Solid Earth Geosciences
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资助金额:$4.98万
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负责人:Marc Spiegelman
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依托单位:
26th International Conference on Mathematical Geophysics: Student and Early Career Scientist Support; Tiberias, Israel; June 4-8, 2006
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批准号:0624648
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资助金额:$2.77万
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财政年份:2006
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负责人:Marc Spiegelman
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依托单位:
Geochemical Consequences of Melt Channelization: Exploring New Models for U-Series Variability
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批准号:0610138
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项目类别:Standard Grant
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依托单位:
RIDGE2000 Postdoc: Dynamics of Coupled Tectonic/Hydrothermal Systems at Mid-Ocean Ridges; a Damage Rheology Approach
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批准号:0452457
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依托单位:
Understanding Magma Genesis in Subduction Zones: New models for Reactive Hydrous Melting and Transport
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依托单位:
25th International Conference on Mathematical Geophysics
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批准号:0441230
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资助金额:$1.0万
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财政年份:2004
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负责人:Marc Spiegelman
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依托单位:
Dynamics of Partially Molten Regions: Development of New Tools for Understanding Melt Localization by Mechanical Deformation
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批准号:0207851
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项目类别:Standard Grant
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资助金额:$14.55万
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财政年份:2002
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依托单位:
Collaborative Research: Geochemical Consequences of Melt Channeling: Exploring a New Class of Models for Geochemical Variability
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批准号:0137108
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项目类别:Continuing Grant
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资助金额:$24.03万
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财政年份:2002
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依托单位:
24th International Conference on Mathematical Geophysics
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批准号:0221406
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项目类别:Standard Grant
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资助金额:$2.5万
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财政年份:2002
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负责人:Marc Spiegelman
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依托单位:
23rd International Conference on Mathematical Geophysics, Summer 2000
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批准号:0002533
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项目类别:Standard Grant
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资助金额:$3.2万
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财政年份:2000
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负责人:Marc Spiegelman
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依托单位:
Development of Models for Coupled Geochemical/Geophysical Dynamics at Subduction Zones
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批准号:9907079
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项目类别:Continuing Grant
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资助金额:$14.98万
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财政年份:1999
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依托单位:
Understanding the Sensitivity of Geochemistry to Mantle Dynamics
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批准号:9618706
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项目类别:Continuing Grant
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资助金额:$29.54万
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财政年份:1997
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依托单位:
Collaborative Research: A Combined Observational and Theoretical Investigation of Thermal and Chemical Transport in Subduction Zones and the Evolution of Active...
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批准号:9220106
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项目类别:Continuing Grant
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资助金额:$10.7万
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财政年份:1993
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负责人:Marc Spiegelman
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依托单位:
Focusing on Freezing: A Joint Proposal to Investigate a Novel Mechanism for Lateral Melt Migration at Mid-Ocean Ridge
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批准号:9114959
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项目类别:Standard Grant
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资助金额:$5.0万
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财政年份:1991
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负责人:Marc Spiegelman
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依托单位:
Trace Element Response to Mantle Process: Application of Magma Migration
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批准号:9012572
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项目类别:Standard Grant
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资助金额:$4.32万
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财政年份:1991
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负责人:Marc Spiegelman
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依托单位:
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