Experimental hydrothermal alteration of basaltic glass with relevance to Mars

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C. Sætre, H. Hellevang, L. Riu, H. Dypvik, C. Pilorget, F. Poulet, S. C. Werner Meteorit Planet Sci. . doi:10.1111/maps.13214 LINK “Phyllosilicates, carbonates, zeolites, and sulfates on Mars give clues about the planet’s past environmental…

Chemical, microstructural and chronological record of phosphates in the Ksar Ghilane 002 enriched shergottite

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J. Roszjar, M.J. Whitehouse, K. Terada, K. Fukuda, T.John, A.Bischoff, Y.Morishita, H.Hiyagon Geochimica et Cosmochimica Acta LINK “The enriched basaltic (martian) shergottite Ksar Ghilane (KG) 002, discovered in 2010, is exceptionally rich in coexisting but…

Intense aqueous alteration on C-type asteroids: Perspectives from giant fine-grained micrometeorites [GCA-D-18-00805]

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M.D.Suttle, L.Folco, M.J.Genge, S.S.Russell, J.Najorka, M. van Ginneken Geochimica et Cosmochimica Acta LINK “This study explores the petrology of five giant (>400μm) hydrated fine-grained micrometeorites from the Transantarctic Mountain (TAM) micrometeorite collection. For the first…

Quenched primary melt in Ramlat as Sahmah 517 – Snapshot of ureilite anatexis in the early solar system

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Åke V. Rosén, Jonas Pape, Beda A. Hofmann, Edwin Gnos, Marcel Guillong Geochimica et Cosmochimica Acta LINK “Ureilites are the second largest group of achondrite meteorites but consensus is still lacking on the nature of…

Polymer amide as a carrier of 15N in Allende and Acfer 086 meteoritesOPEN ACCESS 

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Maclolm W McGEOCH, Tomáš ŠAMOŘIL, David ZAPOTOK, Julie E M McGEOCH PDF (OPEN ACCESS) “Polymers of amino acids have been found in Allende and Acfer 086, with extra-terrestrial origin evidenced by isotopically enhanced satellite peaks…

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