Processes of Crustal Extension in East-Central Idaho
Processes of Crustal Extension in East-Central Idaho
批准号:
8721100
负责人:
Ronald Bruhn
金额:
$8.0万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1988
资助国家:
美国
项目状态:
已结题
起止时间:
1988-01-15 至 1990-12-31
中文摘要
大陆伸展是构造学的一个主要方面, 重要的是要了解所涉及的过程和在多大程度上老 结构影响的定位,分割和方向 年轻的缺点 爱达荷州中东部是一个理想的研究地区 由于长期的伸展历史, 可以追溯到始新世时期, 地壳。 该项目将绘制选定地区的地图, 研究评估地壳分裂成 围绕垂直轴旋转的离散块。 结果将 用来更好地了解西部部分地区的构造历史 科迪勒拉山脉,地壳伸展的力学和运动学, 孕震正断层带的演化
英文摘要
Continental extension is a major aspect of tectonics and it is important to understand the processes involved and to what extent older structures influence the localization, segmentation and orientations of younger faults. East-central Idaho is an ideal area to study extensional processes because of the long history of extension which dates back to Eocene time and produced a highly segmented and faulted crust. This project will map selected areas and conduct paleomagnetic studies to evaluate the extent to which the crust breaks up into discrete blocks which rotate about vertical axes. The results will be used to better understand the tectonic history of part of the western Cordillera, the mechanics and kinematics of crustal extension and the evolution of seismogenic normal fault zones.
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COLLABORATIVE RESEARCH: St. Elias Erosion and Tectonics Project (STEEP)
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批准号:1009584
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项目类别:Standard Grant
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资助金额:$8.09万
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财政年份:2010
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负责人:Ronald Bruhn
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依托单位:
Collaborative Research: St. Elias Erosion/tectonics Project (STEEP)
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批准号:0408959
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项目类别:Continuing Grant
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资助金额:$33.14万
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财政年份:2004
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负责人:Ronald Bruhn
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依托单位:
Seismic Trenching for the Pulse of the Earthquake Engine
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批准号:0207372
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项目类别:Continuing Grant
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资助金额:$36.21万
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财政年份:2002
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负责人:Ronald Bruhn
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依托单位:
COLLABORATIVE RESEARCH: The Fairweather-St. Elias Orogenic System: A Slip Partitioned Transpressional Orogen
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批准号:9725339
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项目类别:Continuing Grant
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资助金额:$15.78万
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财政年份:1998
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负责人:Ronald Bruhn
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依托单位:
Fluid Pressure and Compartments: Origin and Role in Tectonics of Arc- Forearc Regions
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批准号:9316347
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项目类别:Continuing Grant
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资助金额:$25.0万
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财政年份:1994
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负责人:Ronald Bruhn
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依托单位:
Structural and Fluid-Chemical Properties of Active Normal Faults
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批准号:9104677
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项目类别:Continuing Grant
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资助金额:$13.01万
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财政年份:1991
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负责人:Ronald Bruhn
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依托单位:
Structure and Mechanics of Seismogenic Fault Zones; A Comparative Study of Transtensional Faulting in Yunnan Province, China and Western Cordillera, United States
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批准号:8707986
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项目类别:Standard Grant
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资助金额:$7.21万
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财政年份:1987
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负责人:Ronald Bruhn
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依托单位:
Geomechanical and Geochemical Analyses of Basin and Range Normal Faulting--Dixie Valley Faults, NV
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批准号:8618250
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项目类别:Continuing Grant
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资助金额:$10.0万
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财政年份:1987
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负责人:Ronald Bruhn
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依托单位:
Integrated Structural and Rheological Analyses of Basement Deformation in a Foreland Fold and Thrust Belt: Wasatch Mountains, Utah
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批准号:8420774
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项目类别:Standard Grant
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资助金额:$6.5万
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财政年份:1985
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负责人:Ronald Bruhn
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依托单位:
Tectonics of the Border Ranges Fault Systems and Adjacent Terranes, Western Chugach Mountains, Alaska
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批准号:8020468
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项目类别:Standard Grant
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资助金额:$7.1万
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财政年份:1980
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负责人:Ronald Bruhn
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依托单位:
海外基金