SiC

Initial 244Pu/238U ratios and search for presolar SiC in Ca-Al-rich inclusions from CV3 chondrites using noble gas and trace element abundancesOPEN ACCESS

22/06/2025 23:53 · by karmaka · in CAI, carbonaceous chondrite, CV, noble gases, presolar grains

Daisuke Nakashima, Jon M. Friedrich, Ulrich Ott Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 20 June 2025 LINK + PDF (OPEN ACCESS) “Noble gas isotopes and trace element abundances in five Ca-Al-rich inclusions…

Role of redox conditions and thermal metamorphism in the preservation of Cr isotopic anomalies in components of non-carbonaceous chondrites

19/12/2023 18:37 · by karmaka · in EH, EL, enstatite chondrite, ordinary chondrite, thermal metamorphism

Paul Frossard, Pierre Bonnand, Maud Boyet, Audrey Bouvier Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 December 2023 LINK “Mass-independent isotopic anomalies in meteorites are probes to the dynamics and evolution of the…

Bonanza: An extremely large dust grain from a supernova

08/09/2017 06:52 · by karmaka · in CM, presolar grains

Frank Gyngard, Manavi Jadhav, Larry R. Nittler, Rhonda M. Stroud, Ernst Zinner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 7 September 2017 LINK “We report the morphology, microstructure, and isotopic composition of…

Diffusion of Helium in SiC and Implications for Retention of Cosmogenic He

11/08/2016 22:46 · by karmaka · in presolar grains

D.J. Cherniak, E.B. Watson, R. Trappisch, J.B. Thomas, D. Chaussende Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 11 August 2016 LINK “Diffusion of helium has been characterized in silicon carbide of cubic…