Paleoproterozoic felsic volcanism of Iricoumé group, Erepecuru-Trombetas domain, Amazonian central province: Field and petrographic characterization and Pb-Pb zircon geochronology

The Iricoumé group consists of very well preserved pyroclastic and effusive volcanic rocks as a part of an extensive volcano-plutonic event, which marked the central part of the Amazonian craton during the Orosirian. Such rocks occur in the southern part of the southwestern of Erepecuru-Trombetas Do...

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Bibliographic Details
Main Authors: Lúcia Travassos da Rosa Costa, Evandro Fernandes de Lima, Jean Michel Lafon, Carla Joana Santos Barreto
Format: Article
Language:English
Published: Universidade de São Paulo 2013-03-01
Series:Geologia USP. Série Científica
Subjects:
Online Access:http://ppegeo.igc.usp.br/pdf/guspsc/v13n1/04.pdf