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Geochemistry and δ11 B evolution of tourmaline from tourmalinite as a record of oceanic crust in the Tonian Ibaré ophiolite, southern Brasiliano Orogen

Abstract The isotopic and geochemical evolution of tourmaline constrain the processes of paleo-oceanic lithosphere in ophiolites. The Brasiliano Orogen is a major structure of South America and requires characterization for the understanding of Gondwana supercontinent evolution. We made a pioneerin...

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Main Authors: KARINE DA ROSA ARENA, LÉO AFRANEO HARTMANN, CRISTIANO DE CARVALHO LANA, GLÁUCIA NASCIMENTO QUEIROGA, MARCO PAULO DE CASTRO
Format: Artigo
Language:Inglês
Published: Academia Brasileira de Ciências 2020-04-01
Series:Anais da Academia Brasileira de Ciências
Subjects:
boron isotopes
geochemistry
Ibaré ophiolite
tourmalinite
southern Brasiliano Orogen
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652020000100603&tlng=en
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