∆17O

Mineralogical and isotopic constraints on early, high-temperature events and reservoirs recorded in the interior of a Type B Ca-Al-rich inclusion from the reduced CV3 chondrite VigaranoOPEN ACCESS

26/07/2025 10:11 · by karmaka · in CAI, carbonaceous chondrite, CV, CV-red, type B

Jangmi Han, Changkun Park, Ming-Chang Liu, Nozomi Matsuda, Justin I. Simon, Lindsay P. Keller Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 24 July 2025 LINK + PDF (OPEN ACCESS) “A coordinated mineralogical and…

Ultrarefractory inclusions in the Sayh al Uhaymir 290 CH carbonaceous chondrite

24/07/2025 15:12 · by karmaka · in CAI, carbonaceous chondrite, CH, refractory inclusions

Konstantin M. Ryazantsev, Marina A. Ivanova, Alexander N. Krot, Chi Ma, Cyril A. Lorenz, Vasily D. Shcherbakov MAPS, Version of Record online: 24 July 2025 LINK “Ultrarefractory Ca,Al-rich inclusions (UR CAIs) in the Sayh al…

Two isotopically distinct populations of refractory inclusions in the EHa3 chondrite Sahara 97072 – Significance for understanding the evolution of the CAI-formation regionOPEN ACCESS

28/12/2024 13:24 · by karmaka · in CAI, early chronology, EH, enstatite chondrite, refractory inclusions, solar system

Samuel Ebert, Kazuhide Nagashima, Alexander N. Krot, Addi Bischoff Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 27 December 2024 LINK + PDF (OPEN ACCESS) “The nature of isotopic differences between ‘normal’ Ca,Al-rich inclusions…

Triple oxygen isotopes of lunar water unveil indigenous and cometary heritageOPEN ACCESS

16/12/2024 23:13 · by karmaka · in carbonaceous chondrite, CI, enstatite chondrite, ordinary chondrite, oxygen isotopes, water

Maxwell M. Thiemens, Morgan H. Nunn Martinez, and Mark H. Thiemens PNASDecember 16, 2024121 (52) e23210691 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The origin of water in the Earth-Moon system is a pivotal question in planetary…

Differences in bulk Fe content and density between type I and type II ordinary chondrite chondrules: Implications for parent body heterogeneities in oxidation state and O-isotopic compositionOPEN ACCESS

10/06/2024 17:58 · by karmaka · in chondrule, H, L, LL, ordinary chondrite, oxygen isotopes, parent body

Alan E. Rubin MAPS, Version of Record online: 10 June 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Type II chondrules have higher oxidation states than type I chondrules; in ordinary chondrites (OC), type II chondrules tend…

Oxygen Isotopic Variations in the Calcium, Aluminum-rich Inclusion–forming Region Recorded by a Single Refractory Inclusion from the CO3.1 Carbonaceous Chondrite Dar al Gani 083OPEN ACCESS

22/04/2024 16:29 · by karmaka · in CAI, carbonaceous chondrite, CO, oxygen isotopes, refractory inclusions

Samuel Ebert, Kazuhide Nagashima, Alexander N. Krot, Markus Patzek, and Addi Bischoff The Astrophysical Journal, Volume 966, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Calcium, aluminum-rich inclusions (CAIs) are the oldest solids dated that formed…

Early evolution of the solar accretion disk inferred from Cr-Ti-O isotopes in individual chondrulesOPEN ACCESS

21/09/2020 09:03 · by karmaka · in carbonaceous chondrite, chondrule, chondrule precursor, early chronology, enstatite chondrite, ordinary chondrite, oxygen isotopes, solar system

Jonas M. Schneider, Christoph Burkhardt, Yves Marrocchi, Gregory A. Brennecka, Thorsten Kleine Submitted to EPSL on Jan 29 2020, accepted in revised form Sep. 12 2020 PDF (OPEN ACCESS) Erratum to “Early evolution of the…