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Two neoproterozoic crustal accretion events in the Brasília belt, central Brazil

Date

Authors

Laux, Jorge H

Pimentel, Marcio

Dantas, Elton L

Armstrong, Richard

Junges, S L

Publisher

Pergamon-Elsevier Ltd

Abstract

New U-Pb and Sm-Nd isotopic data for orthogneiss and granitoid rocks from the Neoproterozoic Goiás magmatic arc in western Goiás constrain the geological evolution of this juvenile crust in the western Brasília belt. Orthogneiss rock samples have U-Pb

Keywords

Keywords: accretion; crustal evolution; igneous geochemistry; island arc; Proterozoic; Brasilia Belt; Brazil; South America; Western Hemisphere; World Crustal accretion; Geochronology U-Pb; Goiás magmatic arc; Orthogneiss

URI

http://hdl.handle.net/1885/79249

Collections

ANU Research Publications

Source

Journal of South American Earth Sciences

Type

Journal article

DOI

10.1016/j.jsames.2004.09.003

Restricted until

2037-12-31

Downloads

File

Description

01_Laux_Two_neoproterozoic_crustal_2005.pdf (1.19 MB)

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