The Ilha Anchieta Quartz Monzonite: the southernmost expression of ca. 500 Ma post-collisional magmatism in the Ribeira Belt

The Ilha Anchieta Quartz Monzonite: the southernmost expression of ca. 500 Ma post-collisional magmatism in the Ribeira Belt

The Ilha Anchieta Quartz Monzonite (IAQM) occupies most of the homonymous island in the coast of the state of São Paulo, and is intrusive into foliated rocks of the ~565 Ma Ubatuba Charnockite. The main petrographic variety is a porphyritic biotite-hornblende quartz monzonite with 2-4 cm tabular mic...

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Bibliographic Details
Main Authors: José M. Azevedo Sobrinho, Valdecir A. Janas, Antonio Simonetti, Larry M. Heaman, Jair santoro, Hélio N. Diniz
Format: Article
Language:English
Published: Academia Brasileira de Ciências 2011-09-01
Series:Anais da Academia Brasileira de Ciências
Subjects:
granito
litogeoquímica
LA-ICPMS
datação U-Pb de zircão
Cinturão Ribeira
granite
lithogeochemistry
zircon U-Pb dating
Ribeira Belt
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000300010

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http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000300010

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