Archive for September 30th, 2020

The vanadium isotope composition of Mars: implications for planetary differentiation in the early solar systemOPEN ACCESS

30/09/2020 23:10 · by karmaka · in ALH 84001, differentiation, Mars, martian, nakhlite, planets/planetesimals, shergottite

S.G. Nielsen, D.V. Bekaert, T. Magna, K. Mezger, M. Auro Geochem. Persp. Let. (2020) 15, 35–39 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The V isotope composition of martian meteorites reveals that Bulk Silicate Mars (BSM) is…

Spectral reflectance analysis of type 3 carbonaceous chondrites and search for their asteroidal parent bodiesOPEN ACCESS

30/09/2020 14:20 · by karmaka · in aqueous alteration, asteroid, carbonaceous chondrite, Cb-type, CO, CR, CV, K-type, L-type, parent body, reflectance spectra, S-type, thermal metamorphism, UOC

Jolantha Escrig, Lydie Bonal, Pierre Beck, Trygve Prestgard PDF (OPEN ACCESS) “Non-differentiated asteroids are among the most primitive objects in our Solar System, having escaped intense heating mechanisms. To help us understand the information contained…

Hf‐W chronology of a macrochondrule from the L5/6 chondrite Northwest Africa 8192OPEN ACCESS

30/09/2020 14:06 · by karmaka · in chondrule, chondrule formation, chondrule precursor, L, ordinary chondrite

Jan L. Hellmann, Thomas S. Kruijer, Knut Metzler, Markus Patzek, Andreas Pack, Jasper Berndt, Thorsten Kleine Meteoritics & Planetary ScienceVersion of Record online:30 September 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “A large, igneous‐textured, and 2…

The nature of the CM parent asteroid regolith based on cosmic ray exposure ages

30/09/2020 13:59 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, cosmic ray exposure age (CRE), parent body

Michael E. Zolensky, Atsushi Takenouchi, Takashi Mikouchi, Timothy Gregory, Kunihiko Nishiizumi, Marc W. Caffee, Michael A. Velbel, Daniel K. Ross, Andrew Zolensky, Loan Le, Naoya Imae, Akira Yamaguchi Meteoritics & Planetary ScienceVersion of Record online:30…

Carbon isotope evidence for the substrates and mechanisms of prebiotic synthesis in the early solar system

30/09/2020 13:52 · by karmaka · in carbonaceous chondrite, CM, early chronology, organic matter, solar system

L. Chimiak, J.E. Elsila, B. Dallas, J.P. Dworkin, J.C. Aponte, A.L. Sessions, J.M. Eiler Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 September 2020 LINK “Meteorites contain prebiotic, bio-relevant organic compounds including amino…

Machine Learning for Semi-Automated Meteorite RecoveryOPEN ACCESS

30/09/2020 06:50 · by karmaka · in meteorite, meteorite search & recovery

Seamus Anderson, Martin Towner, Phil Bland, Christopher Haikings, William Volante, Eleanor Sansom, Hadrien Devillepoix, Patrick Shober, Benjamin Hartig, Martin Cupak, Trent Jansen-Sturgeon, Robert Howie, Gretchen Benedix, Geoff Deacon PDF (OPEN ACCESS) Update (2 December 2020):…