COLLABORATIVE RESEARCH: Middle-Crustal Deformation and Metamorphism of an Archean Continental Margin During Early Proterozoic Orogenesis
COLLABORATIVE RESEARCH: Middle-Crustal Deformation and Metamorphism of an Archean Continental Margin During Early Proterozoic Orogenesis
批准号:
9706445
负责人:
Robert Bauer
金额:
$12.94万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1997
资助国家:
美国
项目状态:
已结题
起止时间:
1997-07-15 至 2002-06-30
中文摘要
了解地壳变形的一个更为关键的问题是了解中下地壳的变形机制和应变分配,在中下地壳中,深部成矿作用和部分熔融作用不是地壳软化的关键因素。这项合作研究通过检查怀俄明州东南部的下地壳,晚太古宙岩石来解决这个问题。这项研究将涉及野外测绘,以确定应变的分布,变质岩石学,以建立变形的压力-温度(深度)条件,以及地质年代学,以确定各种变形事件的绝对时间。实验室数据将允许重建各种变形的深度和时间条件,而纹理工作将允许确定变形的机制。除此之外,这些数据将直接影响这组岩石的结构演化,并允许对这一地壳碎片的太古代边界进行构造重建。
英文摘要
9706445 Bauer One of the more critical problems in understanding crustal deformation is understanding deformation mechanisms and strain partitioning in the middle and lower crust where plutonism and partial melting are not critical factors for crustal softening. This collaborative study address this problem through the examination of lower crustal, Late Archean rocks in southeastern Wyoming. The study will involve field mapping to determine the distribution of strain, metamorphic petrology to establish the pressure-temperature (depth) conditions of deformation, and geochronology to determine the absolute timing of the various deformation events. the laboratory data will allow the reconstruction of the depth and time conditions of the various deformations, and textural work will allow mechanisms of deformation to be identified. In addition to this, the data will bear directly on the structural evolution of this package of rocks, and allow the tectonic reconstruction of the Archean boundary of this crustal fragment.
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Conformal Invariance and Restriction in Multiply Connected Domains and Riemann Surfaces
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批准号:0604216
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项目类别:Standard Grant
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资助金额:$11.89万
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财政年份:2006
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负责人:Robert Bauer
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依托单位:
An Integrated Field Hydrology, Geochemistry, and Geophysics Module for Geoscience Field Camps
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项目类别:Standard Grant
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负责人:Robert Bauer
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依托单位:
Mathematical Sciences Postdoctoral Research Fellowships
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批准号:9705990
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项目类别:Fellowship Award
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资助金额:$7.5万
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财政年份:1997
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负责人:Robert Bauer
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依托单位:
Analysis of Proterozoic Deformation in Archean Rocks North of the Cheyenne Belt in the Central Laramie Range, SE Wyoming
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批准号:9305507
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项目类别:Standard Grant
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资助金额:$12.0万
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财政年份:1993
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负责人:Robert Bauer
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依托单位:
An Integrated Study of Deformation, Metamorphism, and Geo- chronology in the Archean Rocks Along the Northern Margin ofthe Quetico Subprovince in NE Minnesota and Adjacent Canada
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批准号:9005039
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项目类别:Standard Grant
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资助金额:$7.0万
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财政年份:1990
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负责人:Robert Bauer
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依托单位:
A Structural Metamorphic Transect of the Vermilion Granitic Complex, NE Minnesota: Collaborative Research
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批准号:8609508
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项目类别:Standard Grant
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资助金额:$3.3万
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财政年份:1986
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负责人:Robert Bauer
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依托单位:
Structural Analysis of an Archean Greenstone/Granite TerraneIn Northern Minnesota
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批准号:8217774
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项目类别:Standard Grant
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资助金额:$3.01万
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财政年份:1983
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负责人:Robert Bauer
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依托单位:
国内基金
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