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...
Main Authors: | , , , |
---|---|
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 |