Petrology and oxygen isotopic composition of large igneous inclusions in ordinary chondrites: Early solar system igneous processes and oxygen reservoirs
Alex M. Ruzicka, Richard C. Greenwood, Katherine Armstrong, Kristy L. Schepker, Ian A. Franchi Geochimica et Cosmochimica Acta LINK “Large (>3.5 mm and up to 4 cm across) igneous inclusions poor in metal and sulfide…
Earth and Moon impact flux increased at the end of the Paleozoic
Sara Mazrouei, Rebecca R. Ghent, William F. Bottke, Alex H. Parker, Thomas M. Gernon Science 18 Jan 2019:Vol. 363, Issue 6424, pp. 253-257DOI: 10.1126/science.aar4058 LINK “The terrestrial impact crater record is commonly assumed to be…
Exploring the variability of argon loss in Apollo 17 impact melt rock 77135 using high‐spatial resolution 40Ar/39Ar geochronology
Cameron M. Mercer, Kip V. Hodges, Bradley L. Jolliff, Matthijs C. Van Soest, Jo‐Anne Wartho, John R. Weirich Meteoritics & Planetary Sciencedoi:10.1111/maps.13240 LINK “40Ar/39Ar incremental heating experiments on whole‐rock lunar samples commonly provide evidence of…
Further characterization of carbonaceous materials in Hayabusa‐returned samples to understand their origin
Masayuki Uesugi, Motoo Ito, Hikaru Yabuta, Hiroshi Naraoka, Fumio Kitajima, Yoshinori Takano, Hajime Mita, Yoko Kebukawa, Aiko Nakato, Yuzuru Karouji Meteoritics & Planetary Science doi:10.1111/maps.13236 LINK “Carbonaceous materials in the sample catcher of the Hayabusa…
Shocked quartz in polymict impact breccia from the Upper Cretaceous Yallalie impact structure in Western Australia
Morgan A. Cox, Aaron J. Cavosie, Ludovic Ferrière, Nicholas E. Timms, Phil A. Bland, Katarina Miljković, Timmons M. Erickson, Brian Hess Meteoritics & Planetary Sciencedoi:10.1111/maps.13238 LINK “Yallalie is a ~12 km diameter circular structure located…
A Paleozoic age for the Tunnunik impact structure
Camille Lepaulard, Jérôme Gattacceca, Nicholas Swanson‐Hysell, Yoann Quesnel, François Demory, Gordon R. Osinski Meteoritics & Planetary Science doi:10.1111/maps.13239 LINK “We report paleomagnetic directions from the target rocks of the Tunnunik impact structure, as well as…
Shedding of dust rims in chondrule collisions in the protoplanetary disc
Philipp Umstätter, Nina Gunkelmann, Cornelis P Dullemond, Herbert M Urbassek Monthly Notices of the Royal Astronomical Society, Volume 483, Issue 4, 11 March 2019, Pages 4938–4948 LINK “Dust rims covering chondrules may strongly influence their…
Tunguska eyewitness accounts, injuries, and casualties
Peter Jenniskens, Olga P. Popova, Dmitry O. Glazachev, Elena D. Podobnaya, Anna P. Kartashova Icarus In Press, Accepted Manuscript, Available online 5 January 2019 LINK “Highlights • A literature study of over 700 eyewitness accounts…
Unravelling the high-altitude Nansen blue ice field meteorite trap (East Antarctica) and implications for regional palaeo-conditions
Harry Zekollari, Steven Goderis, Vinciane Debaille, Matthias van Ginneken, Jérôme Gattacceca, ASTER Team, A.J. Timothy Jull, Jan Lenaerts, Akira Yamaguchi, Philippe Huybrechts, Philippe Claeys Geochimica et Cosmochimica Acta Available online 4 January 2019. LINK “Antarctic…
Formation of CV chondrules by recycling of amoeboid olivine aggregate-like precursors
Yves Marrocchi, Romain Euverte, Johan Villeneuve, Valentina Batanova, Benoit Welsch, Ludovic Ferrière, Emmanuel Jacquet Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 3 January 2019 LINK “We have studied porphyritic olivine-rich chondrules of…
Condensation of SiC Stardust in CO Nova OutburstsOPEN ACCESS
Maitrayee Bose, Sumner Starrfield Accepted in the Astrophysical Journal PDF (OPEN ACCESS) Update (27 February 2019): LINK “This study on presolar grains compares high-precision isotopic compositions of individual SiC grains with low 12C/13C ratios, low…
Chemically defining the building blocks of the EarthOPEN ACCESS
Takashi Yoshizaki, William F. McDonough, Richard D. Ash, Tetsuya Yokoyama, Marc D. Lipella PDF (OPEN ACCESS) “Chondrites are undifferentiated sediments of material left over from the earliest solar system and are widely considered as representatives…
Investigating the subsurface structure of the main crater of the proposed Sirente meteorite crater field (Central Italy): New clues from reflection seismics
P. Torrese, A.P. Rossi, J. Ormö, M.L. Rainone, G.G. Ori Planetary and Space Science In Press, Accepted Manuscript, Available online 22 December 2018 LINK “Highlights • A deep, rootless, bowl-shaped structure with a deep-seated central…
ANSMET 2018/2019 Field Season has ended / ~ 865 specimens found (upd. 24 Jan)
Last update: 24 January 2019 Most meteorites found on the blue ice fields and the eastern and western moraines at the foot of Mount Ward appear to be rather smallish ordinary chondrites but one meteorite…
Deoxyribose and deoxysugar derivatives from photoprocessed astrophysical ice analogues and comparison to meteoritesOPEN ACCESS
Michel Nuevo, George Cooper & Scott A. Sandford Nature Communications 9, 1–10 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Sugars and their derivatives are essential to all terrestrial life. Their presence in meteorites, together with amino…
Physical properties of the meteoroids using simultaneous radar and optical observationsOPEN ACCESS
Mirhusen Narziev Planetary and Space Science In Press, Accepted Manuscript, Available online 7 December 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The calculation results of photographic and radar meteoroid mass of simultaneous radio – TV…
Magma ascent in planetesimals: Control by grain size
Tim Lichtenberg, Tobias Keller, Richard F.Katz, Gregor J. Golabek, Taras V. Gerya Earth and Planetary Science Letters Volume 507, 1 February 2019, Pages 154-165 LINK “Highlights • Planetesimal melt transport regimes from coupled models of…
The alteration history of the Jbilet Winselwan CM carbonaceous chondrite: An analog for C‐type asteroid sample returnOPEN ACCESS
A. J. King, S. S. Russell, P. F. Schofield, E. R. Humphreys‐Williams, S. Strekopytov, F. A. J. Abernethy, A. B. Verchovsky, M. M. Grady Meteorit Planet Sci. doi:10.1111/maps.13224 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Jbilet…
Iron Isotope Constraints on Planetesimal Core Formation in the Early Solar System
Michelle K. Jordan, HaoLan Tang, Issaku E. Kohl, Edward D. Young Geochimica et Cosmochimica Acta LINK “We determined the Fe isotope fractionation between the metal and silicate phases of two aubrite meteorites, Norton County and…
New Insights into the Galactic Chemical Evolution of Magnesium and Silicon Isotopes from Studies of Silicate Stardust
Peter Hoppe, Jan Leitner, János Kodolányi The Astrophysical Journal, Volume 869, Number 1 LINK “We report high-resolution (<100 nm) Mg and Si isotope data of 12 presolar silicate grains (230–440 nm) from red giant and/or…
Measuring the Fidelity of Asteroid Regolith and Cobble Simulants
Philip T.Metzger, Daniel T.Britt, StephenCovey, CodySchultz, Kevin M.Cannon, Kevin D.Grossman, James G.Mantovani, Robert P.Mueller Icarus LINK “Highlights • Extraterrestrial simulants are often used inappropriately • NASA developed a “Figure of Merit” system to help end…
An aqueously altered carbon-rich Ceres
S. Marchi, A. Raponi, T. H. Prettyman, M. C. De Sanctis, J. Castillo-Rogez, C. A. Raymond, E. Ammannito, T. Bowling, M. Ciarniello, H. Kaplan, E. Palomba, C. T. Russell, V. Vinogradoff & N. Yamashita Nature…
Microimaging spectroscopy and scanning electron microscopy of Northwest Africa 8657 shergottite: Interpretation of future in situ Martian data
P. Manzari, S. De Angelis, M. C. De Sanctis, G. Agrosì, G. Tempesta Meteorit Planet Sci. . doi:10.1111/maps.13221 LINK “Microimaging spectroscopy is going to be the new frontier for validating reflectance remote sensed data from…
Noble gas, nitrogen composition and cosmic ray exposure history of two eucrites Vissannapeta, Piplia Kalan and one howardite Lohawat
Ramakant R. Mahajan, Amit Basu Sarbadhikari, M.S. Sisodia Planetary and Space Science In Press, Accepted Manuscript, Available online 7 December 2018 LINK “Highlights • Cosmic ray exposure ages of Piplia Kalan, Vissannapeta and Lohawat were…
Probabilistic Assessment of Tunguska-scale Asteroid ImpactsOPEN ACCESS
F. Wheeler, Donovan L. Mathias Icarus Available online 6 December 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Highlights • The PAIR model is used to assess 50 million Tunguska-scale asteroid impacts with probabilistically distributed properties….
Petrography, mineral chemistry and shock metamorphism of the Mangui meteoriteOPEN ACCESS
Jianglong Ji, Sen Hu, Yangting Lin, Qin Zhou, Yuan Xiao Chinese Science Bulletin, Volume 64, Issue 5-6: 579-587(2019) LINK (OPEN ACCESS) “The Mangui meteorite, also known as the Xishuangbanna meteorite, fell in Menghai, Xishuangbanna Dai…
Nebular history of an ultrarefractory phase bearing CAI from a reduced type CV chondriteOPEN ACCESS
Takashi Yoshizaki, Daisuke Nakashima, Tomoki Nakamura, Changkun Park, Naoya Sakamoto, Hatsumi Ishida, Shoichi Itoh PDF (OPEN ACCESS) Update (1 Mar 2019): LINK “Ultrarefractory (UR) phases in calcium-aluminum-rich inclusions (CAIs) could have formed at higher temperature…
Maohokite, a post‐spinel polymorph of MgFe2O4 in shocked gneiss from the Xiuyan crater in ChinaOPEN ACCESS
Ming Chen, Jinfu Shu, Xiande Xie, Dayong Tan Meteoritics & Planetary Science First Published: 30 November 2018 LINK “Maohokite, a post‐spinel polymorph of MgFe2O4, was found in shocked gneiss from the Xiuyan crater in China….
The atmospheric entry of fine‐grained micrometeorites: The role of volatile gases in heating and fragmentation
M. D. Suttle, M. J. Genge, L. Folco, M. Van Ginneken, Q. Lin, S. S. Russell, J. Najorka Meteoritics & Planetary Science First Published: 30 November 2018 LINK “The early stages of atmospheric entry are…
Waiting to make an impact: a probable excess of near-Earth asteroids in 2018 LA-like orbitsOPEN ACCESS
C. de la Fuente Marcos,R. de la Fuente Marcos Astronomy & Astrophysics November 30, 2018 PDF (OPEN ACCESS) “The discovery and tracking of 2018 LA marks only the third instance in history that the parent…
Evidence for oxygen-isotope exchange in refractory inclusions from Kaba (CV3.1) carbonaceous chondrite during fluid-rock interaction on the CV parent asteroidOPEN ACCESS
Alexander N. Krot, Kazuhide Nagashima, Krisztián Fintor, Elemér Pál-Molnár Geochimica et Cosmochimica Acta LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report on the mineralogy, petrology, and in situ measured oxygen-isotope compositions of three Fluffy Type…
Spinel assemblages in lunar meteorites Graves Nunataks 06157 and Dhofar 1528: Implications for impact melting and equilibration in the Moon’s upper mantle
Axel Wittmann, Randy L. Korotev, Bradley L. Jolliff, Paul K. Carpenter Meteoritics & Planetary Science First Published: 28 November 2018 LINK “Magnesium‐rich spinel assemblages occur in the two lunar vitric breccia meteorites—Dhofar (Dho) 1528 and…
The Impact Effect Calculator of Celestial Body Impacts to the Earth: The Constructor of Hazardous Orbits
S. A. Naroenkov, D. O. Glazachev, A. P. Kartashova, O. P. Popova I. S. Turuntaev Solar System Research November 2018, Volume 52, Issue 6, pp 534–546 LINK Original Russian Text © S.A. Naroenkov, D.O. Glazachev,…
Condensate refractory inclusions from the CO3.00 chondrite Dominion Range 08006: Petrography, mineral chemistry, and isotopic compositions
S.B. Simon, A.N. Krot, K. Nagashima, L. Kööp, A.M. Davis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 November 2018 LINK “We have found two refractory inclusions in the CO3.00 carbonaceous chondrite…
Hydrocode simulations of asteroid airbursts and constraints for TunguskaOPEN ACCESS
Darrel K. Robertson, Donovan L. Mathias Icarus Available online 21 October 2018 LINK (OPEN ACCESS) “Highlights • Hydrocode simulations of asteroid airbursts of interest to planetary defense. • Both asteroids and comets plausible for Tunguska…
Petrogenesis of lunar impact melt rock meteorite Oued Awlitis 001
Axel Wittmann, Randy L. Korotev, Bradley L. Jolliff, Kunihiko Nishiizumi, A. J. Timothy Jull, Marc W. Caffee, Michael Zanetti, Anthony J. Irving Meteoritics & Planetary Science doi:10.1111/maps.13218 LINK “Oued Awlitis 001 is a highly feldspathic,…
Heterogeneity of melts in impact deposits and implications for their origin (Ries suevite, Germany)
Susann Siegert, Lutz Hecht Meteoritics & Planetary Science doi.org/10.1111/maps.13210 LINK “Impact melt‐bearing clastic deposits (suevites) are one of the most important records of the impact cratering process. A deeper understanding of their composition and formation…
Shock conditions recorded in NWA 8159 martian augite basalt with implications for the impact cratering history on Mars
Tom G. Sharp, Erin L. Walton, Jinping Hu, Carl Agee Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 November 2018 LINK “NWA 8159 is an augite-rich martian basalt, formed by cooling of…
Origin of metal from CB chondrites in an impact plume – A combined study of Fe and Ni isotope composition and trace element abundances
M. Weyrauch, J. Zipfel, S. Weyer Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 November 2018 LINK “The formation processes of the unusually metal-rich CB chondrites are a matter of debate. It…
Mineralogical Constraints on the Thermal History of Martian Regolith Breccia Northwest Africa 8114OPEN ACCESS
J.L. MacArthur, J.C. Bridges, L.J. Hicks, R. Burgess, K.H.Joy, M.J.Branney, G.M.Hansford, S.H.Bakerd, S.P.Schwenzer, S.J.Gurman, N.R.Stephen, E.D.Steer, J.D.Piercy, T.R. Ireland Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 23 November 2018 LINK (OPEN ACCESS)…
Northwest Africa 11024—A heated and dehydrated unique carbonaceous (CM) chondrite
Samuel Ebert, Addi Bischoff, Dennis Harries, Sarah Lentfort, Jean‐Alix Barrat, Andreas Pack, Jérôme Gattacceca, Robbin Visser, Peter Schmid‐Beurmann, Stephan Kimpel Meteorit Planet Sci. . doi:10.1111/maps.13212 LINK “Based on the high abundance of fine‐grained material and…
Siderophile Element Constraints on the Thermal History of the H Chondrite Parent body
G.J. Archer, R.J. Walker, J. Tino, T. Blackburn, T.S.Kruijer, J.L. Hellmann Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 20 November 2018 LINK “The abundances of highly siderophile elements (HSE: Re, Os, Ir,…
Sequential Chemical Separation of Cr and Ti from a Single Digest for High Precision Isotope Measurements of Planetary Materials
Yuki Hibiya, Tsuyoshi Iizuka, Katsuyuki Yamashita, Shigekazu Yoneda, Akane Yamakawa Geostand Geoanal Res. doi:10.1111/ggr.12249 First published: 19 November 2018 LINK “Combined determination of Cr and Ti isotopes of planetary materials offers a means with which…
Experimental hydrothermal alteration of basaltic glass with relevance to Mars
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
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]
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
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
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…
High‐mass resolution molecular imaging of organic compounds on the surface of Murchison meteorite
Minako Hashiguchi, Hiroshi Naraoka Meteorit Planet Sci. . doi:10.1111/maps.13211 LINK “High‐resolution mass spectrometry (HRMS) imaging by desorption electrospray ionization (DESI) coupled with Orbitrap MS using methanol (MeOH) spray was performed on a fragment of the…
Structural Investigation of Silicon Carbide X Grains: Constraints on Condensation in Supernova Ejecta
János Kodolány, Christian Vollmer, Peter Hoppe, and Maren Müller The Astrophysical Journal Volume 868, Number 1 LINK “We analyzed seven presolar SiC grains of supernova origin (average diameter: 1–2 μm) with transmission electron microscopy. Five…
Martian magmatism from plume metasomatized mantleOPEN ACCESS
James M. D. Day, Kimberly T. Tait, Arya Udry, Frédéric Moynier, Yang Liu & Clive R. Neal Nature Communications Volume 9, Article number: 4799 (2018) Published: 15 November 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS)…
A large impact crater beneath Hiawatha Glacier in northwest GreenlandOPEN ACCESS
Kurt H. Kjær, Nicolaj K. Larsen, Tobias Binder, Anders A. Bjørk, Olaf Eisen, Mark A. Fahnestock, Svend Funder, Adam A. Garde, Henning Haack, Veit Helm, Michael Houmark-Nielsen, Kristian K. Kjeldsen, Shfaqat A. Khan,Horst Machguth, Iain…
The physical properties of meteorites
D. Ostrowski, K. Bryson Planetary and Space Science In Press, Accepted Manuscript, Available online 14 November 2018 LINK “Meteorites provide vast amounts of information on the make up and history of the solar system. Physical…
Triggering Collapse of the Presolar Dense Cloud Core and Injecting Short-Lived Radioisotopes with a Shock Wave. VI. Protostar and Protoplanetary Disk FormationOPEN ACCESS
Alan P. Boss accepted by ApJ Submitted: 12 November, 2018 PDF (OPEN ACCESS) “Cosmochemical evaluations of the initial meteoritical abundance of the short-lived radioisotope (SLRI) 26Al have remained fairly constant since 1976, while estimates for…
Molecular distribution, 13C‐isotope, and enantiomeric compositions of carbonaceous chondrite monocarboxylic acids
José C. Aponte, Hannah K. Woodward, Neyda M. Abreu, Jamie E. Elsila, Jason P. Dworkin Meteoritics & Planetary Science First Published: 12 November 2018 LINK “The water‐soluble organic compounds in carbonaceous chondrite meteorites constitute a…
Fine-Grained Scoriaceous and Unmelted Micrometeorites: Sources and Relationships with Cosmic Spherules
D. D. Badyukov, F. Brandstaetter, D. Topa Geochemistry International November 2018, Volume 56, Issue 11, pp 1071–1083 First Online: 12 November 2018 LINK “185 fine-grained micrometeorites (FgMMs) from the Novaya Zemlya micrometeorite collection were studied…
Probing molecular and isotopic features of meteoritic insoluble organic matter by solid‐state nuclear magnetic resonance spectroscopy with sub‐milligram sample
M. K. Pandey, Y. Nishiyama, P. Tekely Meteorit Planet Sci. . doi:10.1111/maps.13209 LINK “We recorded one‐ and two‐dimensional solid‐state nuclear magnetic resonance spectra of meteoric insoluble organic matter with unprecedented sensitivity and resolution permitting us…
Previously unknown quasicrystal periodic approximant found in spaceOPEN ACCESS
Luca Bindi, Joyce Pham & Paul J. Steinhardt Scientific Reports volume 8, Article number: 16271 (2018) Published: 02 November 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report the discovery of Al34Ni9Fe2, the first natural…
The Volatility Trend of Protosolar and Terrestrial Elemental AbundancesOPEN ACCESS
Haiyang S. Wang, Charles H. Lineweaver, Trevor R. Ireland PDF (OPEN ACCESS) White paper submitted for community feedback. Feedback is collected at this URL. Update (15 March 2019): replaced and accepted for publication in Icarus….
Nucleosynthetic vanadium isotope heterogeneity of the early solar system recorded in chondritic meteoritesOPEN ACCESS
Sune G. Nielsen, Maureen Auro, Kevin Righter, David Davis, Julie Prytulak, Fei Wu, Jeremy D. Owens Earth and Planetary Science Letters Volume 505, 1 January 2019, Pages 131-140 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Highlights…
The initial structure of chondrule dust rims I: electrically neutral grains
C. Xiang, A. Carballido, R.D. Hanna, L.S. Matthews, T.W. Hyde Icarus In Press, Accepted Manuscript, Available online 26 October 2018 LINK “Highlights • FGRs formed in strong turbulence are more compact and grow more rapidly….
Making the Planetary Material Diversity During the Early Assembling of the Solar SystemOPEN ACCESS
Francesco Cristiano Pignatale, Sébastien Charnoz, Marc Chaussidon, Emmanuel Jacquet Accepted 24/10/2018, ApJL PDF (OPEN ACCESS) LINK “Chondritic meteorites, the building blocks of terrestrial planets, are made of an out-of-equilibrium assemblage of solids formed at high…
Spectral Characterization of Analog Samples in Anticipation of OSIRIS-REx’s Arrival at Bennu: A Blind Test Study
K.L. Donaldson Hanna, D.L. Schrader, E.A. Cloutis, G.D. Cody, A.J. King, T.J. McCoy, D.M. Applin, J.P. Mann, N.E. Bowles, J.R. Brucato, H.C. Connolly Jr., E. Dotto, L.P. Keller, L.F. Lim, B.E. Clark, V.E. Hamilton, C….
Time and Duration of Chondrule Formation: Constraints from 26Al-26Mg Ages of Individual Chondrules
J. Pape, K. Mezger, A.-S. Bouvier, L.P. Baumgartner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 October 2018 LINK “Chondrules from unequilibrated ordinary and carbonaceous chondrites belong to the oldest and most…
Petrography and geochemistry of lunar meteorites Dhofar 1673, 1983, and 1984
Patrick J. A. Hill, Gordon R. Osinski, Neil R. Banerjee, Randy L. Korotev, Sobhi J. Nasir, Christopher D. K. Herd Meteoritics & Planetary Science First published: 23 October 2018 LINK “The Dhofar 1673, Dhofar 1983,…
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…
Spectral and chemical effects of simulated space weathering of the Murchison CM2 carbonaceous chondriteOPEN ACCESS
M.S. Thompson, M.J. Loeffler, R.V. Morris, L.P. Keller, R. Christoffersen Icarus In Press, Accepted Manuscript, Available online 18 September 2018 PDF (OPEN ACCESS) LINK (OPEN ACCESS) “Highlights • Space weathering of a carbonaceous chondrite simulated…
Reassessing the origin and chronology of the unique achondrite Asuka 881394: Implications for distribution of 26Al in the early Solar System
Josh Wimpenny, Matthew E. Sanborn, Piers Koefoed, Ilsa R. Cooke, Claudine Stirling, Yuri Amelin, Qing-Zhu Yin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 14 October 2018 LINK “The achondrite Asuka 881394 has…
Carbonaceous Achondrites Northwest Africa 6704/6693: Milestones for Early Solar System Chronology and Genealogy
Matthew E. Sanborn, Josh Wimpenny, Curtis D. Williams, Akane Yamakawa, Yuri Amelin, Anthony J.Irving, Qing-Zhu Yin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 14 October 2018 LINK “Northwest Africa (NWA) 6704/6693 are…
Hydrogen isotopic composition of water in CV-type carbonaceous chondritesOPEN ACCESS
Laurette Piani, Yves Marrocchi Earth and Planetary Science Letters Volume 504, 15 December 2018, Pages 64-71 LINK (OPEN ACCESS) PDF “Highlights • In situ measurements by ion probe reveals the D/H ratio of water in…
Olivine grain growth in partially molten Fe–Ni–S: A proxy for the genesis of pallasite meteorites
Giulio F.D. Solferino, Gregor J. Golabek Earth and Planetary Science Letters Volume 504, 15 December 2018, Pages 38-52 LINK “Highlights • Olivine grain growth in metal matrix is faster when metal is partially molten. •…
(16) Psyche: A mesosiderite-like asteroid?OPEN ACCESS
M. Viikinkoski, P. Vernazza, J. Hanus, H. Le Coroller, K. Tazhenova, B. Carry, M. Marsset, A. Drouard, F. Marchis, R. Fetick, T. Fusco, J. Durech, M. Birlan, J. Berthier, P. Bartczak, C. Dumas, J. Castillo-Rogez,…
Spectral properties and mineral compositions of acapulcoite–lodranite clan meteorites: Establishing S‐type asteroid–meteorite connections
Michael P. Lucas, Joshua P. Emery, Takahiro Hiroi, Harry Y. McSween Meteorit Planet Sci. . doi:10.1111/maps.13203 First published: 03 October 2018 LINK “Except for asteroid sample return missions, measurements of the spectral properties of both…
RENCHEN meteorite fall (~ 1227.69, L5-6, S4, W0) on 10 July 2018 at 23:29:48 CEST (21:29:48 UTC) near Renchen, Ortenau district, Baden-Württemberg, Germany
Last update: 25 April 2019 The first find (Renchen-1, 11.9 g) Equipped with a preliminary strewn field map provided by Pavel Spurný on July 14, 2018 and coordinated by Dieter Heinlein the meteorite hunters Ralph…
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…
Context matters – Ar–Ar results from in and around the Manicouagan Impact Structure, Canada: Implications for martian meteorite chronology
Steven J. Jaret, Sidney R. Hemming, E. Troy Rasbury, Lucy M. Thompson, Timothy D. Glotch, Jahandar Ramezani, John G. Spray Earth and Planetary Science Letters Volume 501, 1 November 2018, Pages 78-89 LINK “Highlights •…
Observation of metre-scale impactors by the Desert Fireball NetworkOPEN ACCESS
Hadrien A. R. Devillepoix, Philip A. Bland, Eleanor K. Sansom, Martin C. Towner, Martin Cupák, Robert M. Howie, Benjamin A. D. Hartig, Trent Jansen-Sturgeon, Morgan A. Cox MNRAS 000, 1–14 (2018) Submitted: 28 August, 2018…
Monosaccharides and Their Derivatives in Carbonaceous Meteorites: A Scenario for Their Synthesis and Onset of Enantiomeric ExcessesOPEN ACCESS
George Cooper, Andro C. Rios, and Michel Nuevo Life 2018, 8(3), 36; doi: 10.3390/life8030036 Published: 27 August 2018 Review LINK (OPEN ACCESS) PDF (OPEN ACCESS) ” Carbonaceous meteorites provide the best glimpse into the solar…
The formation of Jupiter by hybrid pebble–planetesimal accretionOPEN ACCESS
Yann Alibert, Julia Venturini, Ravit Helled, Sareh Ataiee, Remo Burn, Luc Senecal, Willy Benz, Lucio Mayer, Christoph Mordasini, Sascha P. Quanz & Maria Schönbächler Nature Astronomy (2018) PDF (OPEN ACCESS) LINK “The standard model for…
Noble gases in micrometeorites from the Transantarctic Mountains
Bastian Baecker, Ulrich Ott, Carole Cordier, Luigi Folco, Mario Trieloff, Matthias van Ginneken, Pierre Rochette Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 25 August 2018 LINK “The bulk of extraterrestrial matter currently…
Effect of polychromatic X‐ray microtomography imaging on the amino acid content of the Murchison CM chondrite
Jon M. Friedrich, Hannah L. McLain, Jason P. Dworkin, Daniel P. Glavin, W. Henry Towbin, Morgan Hill, Denton S. Ebel Meteoritics & Planetary Science First published: 23 August 2018 LINK “X‐ray microcomputed tomography (μCT) is…
Apparent meteorite fall (~2-3 kg) near Panj Girain (پنج گرین) and Darya Khan (دریا خان), Bhakkar (بھکر), Punjab, Pakistan on 16 August 2018
According to local sheep and goat shepherds a meteorite (~ 2-3 kg, possibly an ordinary chondrite) fell on a grazing ground near Panj Girain (پنج گرین) and Darya Khan (دریا خان), Bhakkar (بھکر) district, Punjab,…
On water delivery in the inner solar nebula: Monte Carlo simulations of forsterite hydrationOPEN ACCESS
Martina D’Angelo, Stephanie Cazaux, Inga Kamp, Wing-Fai Thi, Peter Woitke resubmitted to A&A PDF (OPEN ACCESS) “Endogenous or exogenous, dry or wet, various scenarios have been so far depicted for the origin of water on…
Comparing Analytical and Numerical Approaches to Meteoroid Orbit Determination using Hayabusa TelemetryOPEN ACCESS
Trent Jansen-Sturgeon, Eleanor K. Sansom, Phil A. Bland PDF (OPEN ACCESS) “Fireball networks establish the trajectories of meteoritic material passing through Earth’s atmosphere, from which they can derive pre-entry orbits. Triangulated atmospheric trajectory data requires…
No cosmic‐ray precompaction exposure of chondrules in CR2.7 MIL 090657
Antoine S. G. Roth, Ingo Leya Meteoritics & Planetary Science First published: 16 August 2018 LINK Cosmogenic nuclides are useful for reconstructing the cosmic‐ray precompaction exposure history of the chondritic components in the early solar…
Investigation of carbon in the Allan Hills A77278 meteorite via 2D and 3D Raman microspectroscopy
Mehmet Yesiltas Journal of Raman Spectroscopy First published: 05 August 2018 https://doi.org/10.1002/jrs.5457 LINK “This paper reports the first Raman spectral and imaging data on the ordinary chondrite Allan Hills A77278 (ALHA77278) in two and three…
Terrestrial exposure of a fresh Martian meteorite causes rapid changes in hydrogen isotopes and water concentrationsOPEN ACCESS
Alice Stephant, Laurence A. J. Garvie, Prajkta Mane, Richard Hervig & Meenakshi Wadhwa Scientific Reports 8, 12385 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Determining the hydrogen isotopic compositions and H2O contents of meteorites and their…
Annealing history of zircons from Apollo 14083 and 14303 impact breccias
R. T. Pidgeon, R. E. Merle, M. L. Grange, A. A. Nemchin Meteoritics & Planetary Science First published: 13 August 2018 LINK “Breccia boulders scattered around the 25 Ma Cone Crater near the Apollo 14…
Signatures of the Martian regolith components entrained in some impact‐melt glasses in shergottites
M. N. Rao, L. E. Nyquist, D. K. Ross, S. R. Sutton, P. Hoppe, C. Y. Shih, S. J. Wentworth, D. H. Garrison Meteoritics & Planetary Science First published: 13 August 2018 LINK “Martian regolith…
X‐ray computed tomography of extraterrestrial rocks eradicates their natural radiation record and the information it contains
Derek W. G. Sears, Alexander Sehlke, Jon M. Friedrich, Mark L. Rivers, Denton S. Ebel Meteoritics & Planetary Science First published: 13 August 2018 LINK “The radiation record of extraterrestrial rocks provides important insights into…
An impact melt origin for Earth’s oldest known evolved rocks
Tim E. Johnson, Nicholas J. Gardiner, Katarina Miljković, Christopher J. Spencer, Christopher L. Kirkland, Phil A. Bland & Hugh Smithies Nature Geoscience, Aug 13, 2018 LINK PDF “Earth’s oldest evolved (felsic) rocks, the 4.02-billion-year-old Idiwhaa…
Variable distribution of s-process Hf and W isotope carriers in chondritic meteorites – evidence from 174Hf and 180W
Bo-Magnus Elfers, Peter Sprung, Markus Pfeifer, Frank Wombacher, Stefan T.M.Peters, Carsten Münker Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 11 August 2018 LINK “The stepwise acid digestion of primitive chondritic meteorites allows…
Collisional and alteration history of the CM parent body
Lionel G. Vacher, Yves Marrocchi, Johan Villeneuve, Maximilien J. Verdier-Paoletti, Matthieu Gounelle Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 10 August 2018 LINK “Boriskino is a little studied CM2 chondrite composed of…
The Spatial Origin of Chondrules in Individual Chondrites: Constraints from Modeling Chondrule Mixing
Dominik C. Hezel and Eric J. R. Parteli The Astrophysical Journal, Volume 863, Number 1 Published August 9, 2018 LINK “Chondrules are a major component of chondritic meteorites and potentially populated the entire protoplanetary disk…
Chondrule Porosity in the L4 Chondrite Saratov: Dissolution, Chemical Transport, and Fluid Flow
Jonathan A. Lewis, Rhian H. Jones, Serafina C. Garcea Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 9 August 2018 LINK “Porosity is an important physical property of meteorites and asteroids that affects…
Comparison of GEMS in interplanetary dust particles and GEMS‐like objects in a Stardust impact track in aerogel
Hope A. Ishii Meteoritics & Planetary Science First published: 5 August 2018 LINK “Comet 81P/Wild 2 dust, the first comet sample of known provenance, was widely expected to resemble anhydrous chondritic porous (CP) interplanetary dust…
Insights into the origin of carbonaceous chondrite organics from their triple oxygen isotope composition
Romain Tartèse, Marc Chaussidon, Andrey Gurenko, Frédéric Delarue, and François Robert PNAS August 6, 2018. 201808101; published ahead of print August 6, 2018. https://doi.org/10.1073/pnas.1808101115 LINK Significance “Refractory organic matter found in volatile-rich asteroidal materials essentially…
Short-lived radioisotopes in meteorites from Galactic-scale correlated star formationOPEN ACCESS
Yusuke Fujimoto, Mark R Krumholz, Shogo Tachibana Monthly Notices of the Royal Astronomical Society https://doi.org/10.1093/mnras/sty2132 Published:06 August 2018 PDF (OPEN ACCESS) LINK “Meteoritic evidence shows that the Solar system at birth contained significant quantities of…
Silica-rich volcanism in the early solar system dated at 4.565 GaOPEN ACCESS
Poorna Srinivasan, Daniel R. Dunlap, Carl B. Agee, Meenakshi Wadhwa, Daniel Coleff, Karen Ziegler, Ryan Zeigler & Francis M. McCubbin Nature Communications 9, 3036 Published: 02 August 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) Abstract…
Radioactive nuclei from cosmochronology to habitabilityOPEN ACCESS
M. Lugaro, U. Ott, Á. Kereszturi Review published in Progress in Particle and Nuclear Physics Volume 102, September 2018, Pages 1-47 1 August 2018 PDF (OPEN ACCESS) “In addition to long-lived radioactive nuclei like U…
Organic and mineralogic heterogeneity of the Paris meteorite followed by FTIR hyperspectral imaging
Z. Dionnet, A. Aleon‐Toppani, D. Baklouti, F. Borondics, F. Brisset, Z. Djouadi, C. Sandt, R. Brunetto LINK Meteorit Planet Sci. . doi:10.1111/maps.13178 “Significant compositional and structural heterogeneity at nm to mm scales is an important…
From the mid‐Ordovician into the Late Silurian: Changes in the micrometeorite flux after the L chondrite parent breakup
Ellinor Martin, Birger Schmitz, Hans‐Peter Schönlaub LINK Meteorit Planet Sci. . doi:10.1111/maps.13174 “We present the first reconstruction of the micrometeorite flux to Earth in the Silurian Period. We searched 321 kg of condensed, marine limestone…
Evaluation of petrologic evidence for high partial pressures of SiO(g) in the solar nebula
Alan E. Rubin LINK Meteorit Planet Sci. . doi:10.1111/maps.13180 “Although they cannot be ruled out, high partial pressures of SiO(g) in the solar nebula are not required to produce various petrologic features of chondrules. These…
High early solar activity inferred from helium and neon excesses in the oldest meteorite inclusions
L. Kööp, P. R. Heck, H. Busemann, A. M. Davis, J. Greer, C. Maden, M. M. M. Meier & R. Wieler Nature Astronomy (2018) Published: 30 July 2018 LINK “Astronomical observations show that early in…
High-temperature Dust Condensation around an AGB Star: Evidence from a Highly Pristine Presolar CorundumOPEN ACCESS
Aki Takigawa, Rhonda M. Stroud, Larry R. Nittler, Conel M. O’D Alexander, Akira Miyake A. Takigawa et al 2018 ApJL 862 L13 PDF (OPEN ACCESS) “Corundum (α–Al2O3) and amorphous or metastable Al2O3 are common components…
Pre-airburst Orbital Evolution of Earth’s Impactor 2018 LA: An UpdateOPEN ACCESS
C. de la Fuente Marcos,R. de la Fuente Marcos PDF (OPEN ACCESS) Accepted for publication in Research Notes of the AAS Submitted: 22 July, 2018 “Apollo meteoroid 2018 LA has become only the third natural…
Ti isotopic evidence for a non-CAI refractory component in the inner Solar System
Samuel Ebert, Jan Render, Gregory A. Brennecka, Christoph Burkhardt, Addi Bischoff, Simone Gerber, Thorsten Kleine Earth and Planetary Science Letters Volume 498, 15 September 2018, Pages 257-265 In Press, Available online 20 July 2018 LINK…
Brecciation among 2280 ordinary chondrites – constraints on the evolution of their parent bodies
Addi Bischoff, Maximilian Schleiting, Rainer Wieler, Markus Patzek Geochimica et Cosmochimica Acta In Press, Available online 20 July 2018 LINK “After accretion of meteorite parent bodies, larger and smaller collisions have led to significant modifications…
A Distinct Nucleosynthetic Heritage for Early Solar System Solids Recorded by Ni Isotope Signatures
Jan Render, Gregory A. Brennecka, Shui-Jiong Wang, Laura E. Wasylenki, and Thorsten Kleine The Astrophysical Journal, Volume 862, Number 1 Published: 19 July 2018 LINK “As the earliest dated solids, calcium–aluminum-rich inclusions (CAIs) provide a…
Mineralogy of volatile‐rich clasts in brecciated meteorites
M. Patzek, A. Bischoff, R. Visser, T. John Meteoritics & Planetary Science First published: 18 July 2018 LINK “Meteoritic breccias are valuable samples as they can contain rare materials from the early solar system as…
Detection of meteoroid impacts by the Geostationary Lightning Mapper on the GOES‐16 satelliteOPEN ACCESS
Peter Jenniskens, Jim Albers, Clemens E. Tillier, Samantha F. Edgington, Randolph S. Longenbaugh, Steven J. Goodman, Scott D. Rudlosky, Alan R. Hildebrand, Lincoln Hanton, Fabio Ciceri, Richard Nowell, Esko Lyytinen, Donald Hladiuk, Dwayne Free, Nicholas…
1.34 billion-year-old magmatism on Mars evaluated from the co-genetic nakhlite and chassignite meteorites
Arya Udry, James M.D. Day Geochimica et Cosmochimica Acta Available online 12 July 2018 LINK “Nakhlite and chassignite martian meteorites have similar crystallization (1340 ± 40 Ma) and ejection (∼11 Ma) ages, and 87Rb-87Sr and…
Modeling the measurement accuracy of pre-atmosphere velocities of meteoroidsOPEN ACCESS
Denis Vida, Peter G. Brown, Margaret Campbell-Brown MNRAS Preprint 10 July 2018 PDF (OPEN ACCESS) “Many existing optical meteor trajectory estimation methods use the approximation that the velocity of the meteor at the beginning of…
First meteorite (17.92 g) of Botswana bolide of 2018 LA (2 June 2018) found in Central Kalahari Game Reserve, Ghanzi, Botswana
Last update: 11 July 2018 The meteorite in situ. Photo: Peter Jenniskens/Botswana International University of Science and Technology (BIUST) On 23 June, after five days of searching and on the last day of the planned…
Meteorite “Hocheppan” – a Forensic Study
Karl Wimmer published: 5 July 2018 LINK According to Meteoritic Bulletin entry “Hocheppan” an H5 chondrite of 1.236 kg with mostly intact fusion crust was found in October 2016 on a hillside covered with scree…
