Paleoproterozoic continental crust generation events at 2.15 and 2.08 Ga in the basement of the southern Brasília Orogen, SE Brazil
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- 作者：Caue Rodrigues Cioffia ; b ; cauecioffi@usp.br" class="auth_mail" title="E-mail the corresponding author ; caue.cioffi@yahoo.com.br" class="auth_mail" title="E-mail the corresponding author ; Mario da Costa Campos Netoa ; Andreas Mö ; llerb ; Brenda Chung Rochaa ; b
- 关键词：Paleoproterozoic ; Crust generation ; Juvenile crust ; Pouso Alegre Complex ; Brasí ; lia Orogen
- 刊名：Precambrian Research
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：275
- 期：Complete
- 页码：176-196
- 全文大小：11354 K
文摘
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Juvenile crust formed in the southern Brasília orogen basement at 2.08 and 2.15 Ga.
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Geochemical signatures are subduction-related.
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Felsic rocks with continental arc affinities predominate.
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These are the southernmost and youngest recognized arcs related to the Mineiro Belt.
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Part of a major continental crust generation event between 2.35 and 2.08 Ga.