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Sao Francisco Craton Margin Transect Project, Minas Gerais, Brazil: The Style, Kinematics, and Timing of Proterozoic Remobilization of Archean Crust

Sao Francisco Craton Margin Transect Project, Minas Gerais, Brazil: The Style, Kinematics, and Timing of Proterozoic Remobilization of Archean Crust
巴西米纳斯吉拉斯州圣弗朗西斯科克拉通边缘横断面项目:太古代地壳元古代再活动的风格、运动学和时间
批准号:
9004219
负责人:
Stephen Marshak
金额:
$8.72万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1990
资助国家:
美国
项目状态:
已结题
起止时间:
1990-06-15 至 1994-11-30

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中文摘要
翻译
圣弗朗西斯科克拉通地区,两个克拉通地区之一 在巴西,最初形成于太古代, 更大的地壳块体 随后的构造活动减少了 一个相对较小的遗迹。 在南部的Sao 巴西米纳斯吉拉斯的弗朗西斯科地区比较完整 并有合理暴露的元古宙活动记录。 该项目将与来自世界各地的地质学家密切合作, 欧罗普雷托联邦大学, 并进行放射性年龄测定 试图确定构造样式, 影响Sao的前寒武纪构造事件的时代 巴西东部的弗朗西斯科克拉通。
英文摘要
The Sao Francisco craton region, one of two cratonic areas in Brazil initially formed in the Archean as part of a much larger crustal block. Subsequent tectonic activity has reduced the area to a relatively small remnant. In the southern Sao Francisco region of Minas Gerais, Brazil a relatively complete and reasonably exposed record of Proterozoic activity exists. This project will, with the close cooperation of geologists from the Universidade Federal de Ouro Preto, assemble detailed transects across this margin and conduct radiometric age determinations in an attempt to identify the tectonic style and ages of the precambrian tectonic events affecting the Sao Francisco craton of eastern Brazil.
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会议论文
Collaborative Research: Structure and Dynamics of the North American Craton - An EarthScope Swath from the Ozarks to the Grenville Front
Pre-Earthscope Workshop Proposal: Tectonic Targets for Earthscope in the Midcontinent
Collaborative Research: Emplacement of the Ferrar Mafic Igneous Province: A Pilot Study of Intrusive Architecture and Flow Directions in Southern Victoria Land
Tectonics of the Aracuai/Ribeira Orogenic Tongue of Southeastern Brazil, and its Significance for the Paleo- and Neoproterozoic Assembly of West Gondwana
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