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...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Universidade de São Paulo
2013-03-01
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Series: | Geologia USP. Série Científica |
Subjects: | |
Online Access: | http://ppegeo.igc.usp.br/pdf/guspsc/v13n1/04.pdf |