Abundances of siderophile elements in H-chondrite metal grains: implications for the origin of metal in unequilibrated ordinary chondrites

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Guillaume Florin, Olivier Alard, Béatrice Luais, Tracy Rushmer Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 November 2022 LINK “Understanding the evolution of metal in the protoplanetary disk is necessary to constrain the…

Metal compositions of carbonaceous chondrites

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Elishevah M.M.E. van Kooten, Edith Kubik, Julien Siebert, Benjamin D. Heredia, Tonny B. Thomsen, Frédéric Moynier Geochimica et Cosmochimica ActaAvailable online 19 January 2022 LINK “FeNi metals represent an important fraction of chondritic components that…

Correlated iron isotopes and silicon contents in aubrite metals reveal structure of their asteroidal parent bodyOPEN ACCESS 

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Soumya Ray, Laurence A. J. Garvie, Vinai K. Rai & Meenakshi Wadhwa Scientific Reports, Volume 11, Article number: 22552 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) Update (7 December 2021): Publisher Correction: Correlated iron isotopes and…

Geochemical constraints on the formation of chondrules: Implication from Os and Fe isotopes and HSE abundances in metals from CR chondrites

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Nao NAKANISHI, Tetsuya YOKOYAMA, Satoki OKABAYASHI, Hikaru IWAMORI, Takafumi HIRATA Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 12 November 2021 LINK “CR chondrites are suitable for understanding the genetic linkage between metals and…

Iron Rain: measuring the occurrence rate and origin of small iron meteoroids at EarthOPEN ACCESS 

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Tristan Mills, P. G. Brown, M. J. Mazur, D. Vida, Peter S. Gural, Althea V. Moorhead Accepted for publication in MNRAS on September 21st, 2021 PDF (OPEN ACCESS) “We report results of a four-year survey…

The relationship of CH, CB, and CR chondrites: constraints from trace elements and Fe-Ni isotope systematics in metal

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M. Weyrauch, J. Zipfel, S. Weyer Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 15 June 2021 LINK “Due to similarities in chemical composition and common Cr, Ti, N and O isotope trends,…

Metal grains in lunar rocks as indicators of igneous and impact processes

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James M. D. Day Meteoritics & Planetary ScienceVersion of Record online:04 August 2020 LINK “Anhedral metal grains of >micrometer size occur in many lunar rock types, including mare basalts, magnesian suite rocks (MGS), ferroan anorthosites…

Fractionation of highly siderophile elements in metal grains from unequilibrated ordinary chondrites: Implications for the origin of chondritic metals

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Satoki Okabayashi, Tetsuya Yokoyama, Nao Nakanishi, Hikaru Iwamori Geochimica et Cosmochimica Acta Available online 13 October 2018 LINK “To investigate the formation processes of metal grains in chondrites, we measured the abundances of highly siderophile…

Re-Os isotope systematics and fractionation of siderophile elements in metal phases from CBa chondrites

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Nakanishi, N., Yokoyama, T., Okabayashi, S., Usui, T. and Iwamori, H. Meteoritics & Planetary Science. doi: 10.1111/maps.13050 LINK “We report Os isotope compositions of metal grains in two CBa chondrites (Bencubbin and Gujba) determined using…

Minor and trace element concentrations in adjacent kamacite and taenite in the Krymka chondrite

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N. Meftah, S. Mostefaoui, A. Jambon, E. H. Guedda and S. Pont Meteoritics & Planetary Science. doi: 10.1111/maps.12617 LINK “We report in situ NanoSIMS siderophile minor and trace element abundances in individual Fe-Ni metal grains…

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