Excess 180W in IIAB iron meteorites: Identification of cosmogenic, radiogenic, and nucleosynthetic components
David L. Cook, Thomas Smith, Ingo Leya, Connor D. Hilton, Richard J. Walker, Maria Schönbächler Earth and Planetary Science Letters Volume 503, 1 December 2018, Pages 29-36 LINK “Highlights • We present MC-ICPMS measurements of…
U-Pb, Rb-Sr and Ar-Ar systematics of the ungrouped achondrites Northwest Africa 6704 and Northwest Africa 6693
Yuri Amelin, Piers Koefoed, Tsuyoshi Iizuka, Vera Assis Fernandes, Magdalena H.Huyskens, Qing-Zhu Yin, Anthony J. Irving Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 September 2018 LINK “We report U-Pb, 87Rb-87Sr, 40Ar-39Ar…
Meteoritic Abundances of Fatty Acids and Potential Reaction Pathways in PlanetesimalsOPEN ACCESS
James C.-Y. Lai, Ben K. D. Pearce, Ralph E. Pudritz, Drake Lee accepted for publication in Icarus PDF (OPEN ACCESS) “The origin of fatty acids on the prebiotic Earth is important as they likely formed…
A meteorite impacted a house in San Carlos, UruguayOPEN ACCESS
P. Núñez Demarco, G. Tancredi, M.E. Zucolotto, L.L. Antonello, J.M.Monzón, V.Pezano, A.Tosi, C.Villaça Planetary and Space Science In Press, Accepted Manuscript, Available online 26 September 2018 LINK (OPEN ACCESS) “Highlights • The paper presents the…
MGS‐TES spectra suggest a basaltic component in the regolith of PhobosOPEN ACCESS
Timothy D. Glotch, Christopher S. Edwards, Mehmet Yesiltas, Katherine A. Shirley, Dylan S. McDougall, Alexander M. Kling, Joshua L. Bandfield, Christopher D. K. Herd Journal of Geophysical Research: Planets, 123. https://doi.org/10.1029/2018JE005647 LINK (OPEN ACCESS) PDF…
Noble gases and nitrogen in Raghunathpura (IIAB) and Nyaung (IIIAB) iron meteorites
S. V. S. Murty, S. Ghosh, Dwijesh Ray Meteoritics & Planetary Science First published: 23 September 2018 LINK “Noble gases and nitrogen were measured in two adjacent samples each from the Raghunathpura (IIAB) and the…
Constraints on Compound Chondrule Formation from Laboratory High-Temperature CollisionsOPEN ACCESS
Tabea Bogdan, Jens Teiser, Nikolai Fischer, Maximilian Kruss, Gerhard Wurm Icarus In Press, Accepted Manuscript, Available online 20 September 2018 LINK Update (7 November 2018): PDF (OPEN ACCESS) “Highlights • To form compound chondrules velocities…
The Amino Acid Distribution in Laboratory Analogs of Extraterrestrial Organic Matter: A Comparison to CM Chondrites
P. Modica, Z. Martins, C. Meinert, B. Zanda, and L. L. S. d’Hendecourt The Astrophysical Journal, Volume 865, Number 1 LINK “Laboratory experiments that simulate the photo- and thermo-chemistry of extraterrestrial ices always lead to…
Spectral and chemical effects of simulated space weathering of the Murchison CM2 carbonaceous chondrite
M.S. Thompson, M.J. Loeffler, R.V. Morris, L.P. Keller, R. Christoffersen Icarus In Press, Accepted Manuscript, Available online 18 September 2018 LINK “Highlights • Space weathering of a carbonaceous chondrite simulated via pulsed laser irradiation •…
Evidence for a Multilayered Internal Structure of the Chondritic Acapulcoite-Lodranite Parent Asteroid
Shijie Li, Qing-Zhu Yin, Huiming Bao, Matthew E. Sanborn, Anthony Irving, Karen Ziegler, Carl Agee, Kurt Marti, Bingkui Miao, Xiongyao Li, Yang Li, Shijie Wang Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online…
Ancient volcanism on the Moon: Insights from Pb isotopes in the MIL 13317 and Kalahari 009 lunar meteorites
Joshua F. Snape, Natalie M. Curran, Martin J. Whitehouse, Alexander A. Nemchin, Katherine H. Joy, Tom Hopkinson, Mahesh Anand, Jeremy J. Bellucci, Gavin G. Kenny Earth and Planetary Science Letters Volume 502, 15 November 2018,…
White Dwarf Collisions, a promising scenario to account for meteoritic anomaliesOPEN ACCESS
J. Isern, E. Bravo Accepted for publication in RNAAS 6 September, 2018 PDF (OPEN ACCESS) “It is commonly accepted that collisions between white dwarfs (WD) are rare events that only occur in the dense interior…
Significant depletion of volatile elements in the mantle of asteroid Vesta due to core formation
E.S. Steenstra, D. Dankers, J. Berndt, S. Klemme, S. Matveev, W. van Westrenen Icarus Available online 5 September 2018 LINK “Highlights • Vestan mantle volatile element depletions do not only reflect degassing. • Many volatile…
Evidence for a large Paleozoic Impact Crater Strewn Field in the Rocky Mountains
Thomas Kenkmann, Kent A. Sundell & Douglas Cook Scientific Reports volume 8, Article number: 13246 (2018) LINK (OPEN ACCESS) PDF (DOWNLOAD) “The Earth is constantly bombarded by meteoroids of various sizes. During hypervelocity collisions a…
Chalcophile-siderophile element systematics of hydrothermal pyrite from martian regolith breccia NWA 7533
Jean-Pierre Lorand, R.H. Hewins, M. Humayun, L. Remusat, … S. Pont Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 5 September 2018 LINK “Unlike other martian meteorites studied so far, Martian regolith breccia…
Evidence of shock‐induced vaporization of matrix to form porosity in Baszkówka, a porous L5 chondrite
Agata M. Krzesińska, Natasha V. Almeida Meteoritics & Planetary Science First published: 3 September 2018 LINK “Baszkówka is an equilibrated, apparently low‐shock, unusually porous chondrite. Some earlier studies were undertaken to understand whether the porosity…
Temperature constraints by Raman spectroscopy of organic matter in volatile-rich clasts and carbonaceous chondrites
Robbin Visser, Timm John, Martina Menneken, Markus Patzek, Addi Bischoff Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 September 2018 LINK “An important question regarding the formation of the solar system is…