COLLABORATIVE RESEARCH: Evolution of the Southern Appalachians: Contributions from Ion Microprobe Dating of Zircon, Blue Ridge and Inner Piedmont, TN-NC-SC-GA
COLLABORATIVE RESEARCH: Evolution of the Southern Appalachians: Contributions from Ion Microprobe Dating of Zircon, Blue Ridge and Inner Piedmont, TN-NC-SC-GA
批准号:
9814800
负责人:
Robert Hatcher
金额:
$10.12万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1999
资助国家:
美国
项目状态:
已结题
起止时间:
1999-01-01 至 2002-12-31
中文摘要
9814800 .哈切尔阿巴拉契亚山脉的记录是造山的典型例子,目前的共识是它们的存在是由于古生代北美洲大陆和岛弧的碎片的增生。然而,范围演变的关键方面仍然是谜或有争议的,特别是各种事件的实际时间。该项目由田纳西大学和范德比尔特大学的工作人员进行,旨在使用新技术为事件提供新的时间限制,这些技术有可能从具有复杂高温生长事件的地区产生年龄数据。这些叠印不能用传统的技术来解决,但新的离子探针对锆石晶体上的过度生长进行定年似乎是成功的。这些新数据有望回答或限制阿巴拉契亚山脉南部的几个主要不确定性。
英文摘要
9814800HatcherThe Appalachians record is a classic example of mountain building, and there is present agreement that they owe this existence to accretion of fragments of continents and island arcs to North America during the Paleozoic. However, critical aspects of the evolution of the range remain enigmatic or controversial, especially the actual timing of various events. This project, conducted by workers at the University of Tennessee and Vanderbilt University, aims to provide new timing constraints for events using new techniques that have the potential of producing age data from regions having complex, high-temperature growth episodes. These overprints can not be resolved with conventional techniques, but new ion probes dating of overgrowths on zircon crystal appear to be successful. These new data are expected to answer or constrain several major uncertainties in the Southern Appalachians.
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Workshop Support: 4-D Framework of Continental Crust
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批准号:0342370
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项目类别:Standard Grant
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资助金额:$3.0万
-
财政年份:2003
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负责人:Robert Hatcher
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依托单位:
Structural History of the Columbus Promontory, Western Piedmont, Southern Appalachians: Thrust Faulting Processes in the Middle Crust of a Paleozoic Orogen
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批准号:9004604
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项目类别:Continuing grant
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资助金额:$8.57万
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财政年份:1990
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负责人:Robert Hatcher
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依托单位:
Analysis of Pre-Alleghanian Faults and Related Structures inthe Appalachian Blue Ridge, North Carolina: Initiation of the Southern Appalachian Thrust System
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批准号:8816343
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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:1989
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负责人:Robert Hatcher
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依托单位:
Southern Appalachian Foreland Fold and Thrust Belt - Metamorphic Core Transition
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批准号:8696120
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项目类别:Standard Grant
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资助金额:$3.64万
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财政年份:1986
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负责人:Robert Hatcher
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依托单位:
Appalachian Deep Drill Hole Project: Phase 1: Preliminary Site Investigation and Selection
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批准号:8417894
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项目类别:Continuing Grant
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资助金额:$201.03万
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财政年份:1985
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负责人:Robert Hatcher
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依托单位:
Southern Appalachian Foreland Fold and Thrust Belt - Metamorphic Core Transition
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批准号:8312875
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项目类别:Standard Grant
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资助金额:$9.11万
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财政年份:1983
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负责人:Robert Hatcher
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依托单位:
Collaborative Investigation of the Alto Allochthon: Its Origin, Tectonothermal History, and Significance in the Evolution of Crystalline Thrust Sheets
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批准号:8206949
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项目类别:Continuing Grant
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资助金额:$6.22万
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财政年份:1982
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负责人:Robert Hatcher
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依托单位:
Internal and External Basement Massifs of the Southern Appalachians: Tectonic Role and Localization of Thrust Sheets
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批准号:8108502
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项目类别:Continuing Grant
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资助金额:$7.35万
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财政年份:1981
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负责人:Robert Hatcher
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依托单位:
Penrose Conference on Tectonics and Geophysics of the Appalachians, Helen, Georgia, April 28 - May 2, 1980
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批准号:8001472
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项目类别:Standard Grant
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资助金额:$0.79万
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财政年份:1980
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负责人:Robert Hatcher
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依托单位:
Tectonic History of the Pine Mountain Belt, Georgia, and ItsRelationships to Formation of Crystalline Thrust Sheets
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批准号:7911802
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项目类别:Standard Grant
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资助金额:$8.7万
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财政年份:1979
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负责人:Robert Hatcher
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依托单位:
Tectonic History of the Central Blue Ridge, North Carolina, And the Origin of a Crystalline Thrust Sheet
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批准号:7826316
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项目类别:Standard Grant
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资助金额:$0.54万
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财政年份:1978
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负责人:Robert Hatcher
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依托单位:
Tectonic History of the Central Blue Ridge, North Carolina, And the Origin of Thrust Faults in Crystalline Rocks
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批准号:7615564
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项目类别:Standard Grant
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资助金额:$4.24万
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财政年份:1976
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负责人:Robert Hatcher
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依托单位:
国内基金
海外基金
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