achondritic lithology

Origin of the metal in chondritic and achondritic lithologies of the Sierra Gorda 013 СBa-like chondrite

27/06/2025 23:23 · by karmaka · in carbonaceous chondrite, CB

Marina A. Ivanova, Svetlana N. Teplyakova, Cyril A. Lorenz, Shuying Yang, Munir Humayun MAPS, Version of Record online: 27 June 2025 LINK “Sierra Gorda 013 (SG 013) is an unusual CBa-like chondrite containing two texturally…

Petrological evidence for the existence and disruption of a 500 km-sized differentiated planetesimal of enstatite-chondritic parentage

05/08/2020 18:17 · by karmaka · in accretion, accretion, Almahata Sitta, asteroid, early chronology, Earth, enstatite chondrite, parent body, planets/planetesimals, solar system, witnessed fall

Dennis Harries, Addi Bischoff Earth and Planetary Science LettersVolume 548, 15 October 2020, 116506 LINK “Highlights • A unique enstatite-rich lithology was found among Almahata Sitta meteorite samples.• Petrology indicates a radius of ∼500 km…