Olivine Microstructure Constraints on Ureilite Parent Body DeformationOPEN ACCESS 

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Yaozhu Li, Phil J. A. McCausland, Roberta L. Flemming, Callum J. Hetherington, Bo. Zhao JGR Planets, First Published: 29 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points “Ureilites are ultramafic achondrites for which the…

Incipient aqueous alteration recorded by matrix metal in the most pristine CO chondrite dominion range 08006

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Shaofan Che, Adrian J. Brearley Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 April 2026 LINK “Evidence of low-temperature aqueous alteration is extremely limited in CO (Ornans-type) chondrites: only a minor amount of…

Oxygen Isotopic Compositions of Chondrules as Probes of Solar Protoplanetary Disk FormationOPEN ACCESS 

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Sota Arakawa, Takayuki Ushikubo, Ryosuke T. Tominaga DRAFT VERSION APRIL 29, 2026 PDF (OPEN ACCESS) “Chondrules are thought to have formed during transient flash-heating events in dust-enriched regions of the solar protoplanetary disk. Although laboratory…

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