Aqueous Alteration of Porous Microchondrules in Semarkona: Implications for Hydration, Oxidation and Elemental Exchange Processes
E. Dobrică, C. Le Guillou, A.J. Brearley Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 October 2018 LINK “Porous, igneous glassy microchondrules are relatively common in Semarkona and other unequilibrated ordinary chondrites…
Compound‐specific carbon isotope compositions of aldehydes and ketones in the Murchison meteorite
Danielle N. Simkus, José C. Aponte, Robert W. Hilts, Jamie E. Elsila, Christopher D. K. Herd Meteoritics & Planetary Science First published: 14 October 2018 LINK “Compound‐specific carbon isotope analysis (δ13C) of meteoritic organic compounds…
Campo del Cielo: A Campo by any other name
John T. Wasson Meteoritics & Planetary Science First published: 14 October 2018 LINK “A sample of Campo del Cielo with any other name would have the same composition. During the last three decades, our instrumental…
GEMS, hydrated chondritic IDPs, CI‐matrix material: Sources of water in 81P/comet Wild 2
Frans J. M. Rietmeijer Meteoritics & Planetary Science First published: 14 October 2018 LINK “So far there is no conclusive evidence for water in the nucleus of 81P/comet Wild 2. Recently magnetite in collected Wild…
The atmospheric fragmentation of the 1908 Tunguska Cosmic Body: reconsidering the possibility of a ground impactOPEN ACCESS
L. Foschini, L. Gasperini, C. Stanghellini, G. Longo, R. Serra, E. Bonatti, A. Polonia, G. Stanghellini PDF (OPEN ACCESS) revised version: 11 February 2019 “The 1908 June 30 Tunguska Event (TE) is one of the…