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Late Proterozoic Tectonic Development of Northeastern Brazil

Late Proterozoic Tectonic Development of Northeastern Brazil
巴西东北部晚元古代构造发育
批准号：
9614473
负责人：
W. Randall Van Schmus
金额：
$10.0万
依托单位：
University of Kansas Center for Research Inc
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：
1997-03-01 至 2000-02-29
来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=9614473&HistoricalAwards=false
关键词：
LateProterozoicTectonicDevelopmentNortheastern

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中文摘要
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英文摘要
9614473 Van Schmus This project to continue work on 1100 to 550 Ma tectonic evolution of NE Brazil and correlative parts of west-central Africa, with particular emphasis on developing a comprehensive understanding of a major 1100-900 Ma orogen recently defined in this region. The principal methods used will be U/Pb, Sm/Nd and Rb/Sr geochronology and isotopic geochemistry in conjunction with other studies by Brazilian collaborators. Results of these studies will be useful in efforts to piece together a detailed picture of continental breakup and reassembly during the Neoproterozoic for one of the largest fold belts formed during the 600 Ma assembly of the West Gondwana.
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Collaborative Research: Post-Penokean Crustal Stabilization in the Lake Superior Region, North-Central United States
COLLABORATIVE RESEARCH: Geochronologic and Geologic Framework of Western Amazonia and Its Bearing on Possible Reconstructions with Laurentia-Baltica
Collaborative Research: Evolution of Early Proterozoic Crust, Constraints from Xenoliths of the Navajo Volcanic Field
Upgrading of Mass Spectrometer
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