The Hidden Magmatic Chamber from the Ponte Nova Mafic–Ultramafic Alkaline Massif, SE Brazil: Clues from Clinopyroxene and Olivine Antecrysts

The Hidden Magmatic Chamber from the Ponte Nova Mafic–Ultramafic Alkaline Massif, SE Brazil: Clues from Clinopyroxene and Olivine Antecrysts

Clinopyroxene and olivine primocrysts in the intrusions of the Ponte Nova mafic–ultramafic alkaline massif (SE Brazil) present several textures and zoning that indicate open-system processes. Important compositional differences were found in the clinopyroxene. Diopside relict cores (mostly partially...

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Bibliographic Details
Main Authors: Rogério Guitarrari Azzone, Lina Maria Cetina Tarazona, Mariana Robertti Ambrosio, Vincenza Guarino, Luanna Chmyz, Nicholas Machado Lima, Excelso Ruberti
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Minerals
Subjects:
antecrysts
complex plumbing system
olivine
clinopyroxene
alkaline magmatism
REE
Online Access:https://www.mdpi.com/2075-163X/12/6/775

Internet

https://www.mdpi.com/2075-163X/12/6/775

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