SHRIMP U-Pb age and high temperature conditions of the collisional metamorphism in the Várzea do Capivarita Complex: Implications for the origin of Pelotas Batholith, Dom Feliciano Belt, southern Brazil
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- 作者：Ruy Paulo Philippa ; ruy.philipp@ufrgs.br" class="auth_mail" title="E-mail the corresponding author ; Francisco Molina Bomb ; francisco.bom@ufrgs.br" class="auth_mail" title="E-mail the corresponding author ; Má ; rcio Martins Pimentelc ; marcio@unb.br" class="auth_mail" title="E-mail the corresponding author ; Sé ; rgio Luiz Jungesd ; sjunges@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; Gustavo Zvirtesb ; zvirtes@yahoo.com.br" class="auth_mail" title="E-mail the corresponding author
- 关键词：Dom Feliciano Belt ; Vá ; rzea do Capivarita Complex ; Collisional metamorphism ; U&ndash ; Pb SHRIMP ; Neoproterozoic ; Migmatite
- 刊名：Journal of South American Earth Sciences
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：66
- 期：Complete
- 页码：196-207
- 全文大小：6792 K
文摘
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Partial melting of pelitic migmatitic gneisses of the Varzea do Capivarita Complex and formation of peraluminous leucogranites of Cordilheira Suite.
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Orogenic metamorphism of high T and medium P associated collision event in the end of Brazilian orogenic cycle.
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SHRIMP U-Pb zircon geochronology of the pelitic migmatite and garnet-bearing peraluminous leucogranite.
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Age of collision and of the partial melting of pelitic gneisses associated to breakdown of muscovite and biotite.
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Closure of the Adamastor ocean and collision of the Rio de La Plata and Kalahari cratons.