Geology and Chemical Characterization of the Ultrapotassic Peralkaline Magmatism of the Manaíra-Princesa Isabel Dike Swarm, Borborema Provine

The Manaíra-Princesa Isabel dike swarm forms one of the most expressive examples of Neoproterozoic (c. 600 Ma)peralkaline magmatism in the Borborema Province (NE Brazil). It consists of about a hundred NE-trending bodies intrusivein older, Neoproterozoic porphyritic granites (Princesa Isabel and Tav...

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Bibliographic Details
Main Authors: Maria Helena Bezerra Maia de Hollanda, Carolina Pelaéz Mejía, Carlos José Archanjo, Richard Armstrong
Format: Article
Language:English
Published: Universidade de São Paulo 2009-10-01
Series:Geologia USP. Série Científica
Subjects:
Online Access:http://ppegeo-local.igc.usp.br/pdf/guspsc/v9n3/02.pdf