Petrogenesis of Erg Chech 002 Achondrite and Implications for an Altered Magma Ocean

This study conducts mineralogical and chemical investigations on the oldest achondrite, Erg Chech 002 (∼4565 million yr old). This meteorite exhibits a disequilibrium igneous texture characterized by high-Mg-number (atomic Mg/(Mg + Fe ^2+ )) orthopyroxene xenocrysts (Mg number = 60–80) embedded in a...

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Bibliographic Details
Main Authors: Ziliang Jin, Yishen Zhang, Maitrayee Bose, Sarah Glynn, Frédéric Couffignal
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astrophysical Journal
Subjects:
Online Access:https://doi.org/10.3847/1538-4357/ad2ea7