Cosmic ray exposure ages for ureilites—New data and a literature studyOPEN ACCESS
Ingo Leya, Peter C. Stephenson Meteoritics & Planetary Science First Published: 29 March 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report newly measured noble gas isotopic concentrations of He, Ne, and Ar for 21…
In search of historical roots of the meteorite impact theory: Franz von Paula Gruithuisen as the first proponent of an impact cratering model for the Moon in the 1820s
Grzegorz Racki, Christian Koeberl Meteoritics & Planetary Science First Published: 28 March 2019 LINK “Franz von Paula Gruithuisen (1774–1852), the Bavarian medic, physician, and astronomer, enfant terrible of German science, is known for his insightful…
Chondrule radiative cooling in a non-uniform density environment
J. Delpeyrat, F. Pigeonneau, G. Libourel Icarus In Press, Accepted Manuscript, Available online 28 March 2019 LINK “Highlights • Simulated chondrule cooling rates are related to chondrule textural abundances. • Optical depth is the relevant…
To be or not to be oxidized: A case study of olivine behavior in the fusion crust of ureilite A 09368 and H chondrites A 09004 and A 09502OPEN ACCESS
Lidia Pittarello, Akira Yamaguchi, Julia Roszjar, Vinciane Debaille, Christian Koeberl, Philippe Claeys Meteoritics & Planetary Science First Published: 28 March 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Meteorite fusion crusts are quenched melt layers formed…
A microchondrule‐bearing micrometeorite and comparison with microchondrules in CM chondrites
M. D. Suttle, M. J. Genge, T. Salge, M. R. Lee, L. Folco, T. Góral, S. S. Russell, P. Lindgren Meteoritics & Planetary Science First Published: 27 March 2019 LINK “We report the discovery of…
New insights into the heterogeneity of the Tagish Lake meteorite: Soluble organic compositions of variously altered specimens
Danielle N. Simkus, José C. Aponte, Jamie E. Elsila, Robert W. Hilts, Hannah L. McLain, Christopher D. K. Herd LINK “The Tagish Lake carbonaceous chondrite exhibits a unique compositional heterogeneity that may be attributed to…
Meteoritic evidence of a late superflare as source of 7Be in the early Solar System
Ritesh Kumar Mishra & Kuljeet Kaur Marhas Nature Astronomy 1–8 (2019) LINK “Fossil meteoritic records of short-lived, now-extinct radionuclides provide crucial high-resolution temporal information about the events, processes and activity of the Sun during the…
Variability of Chelyabinsk meteoroid stones studied by Mössbauer spectroscopy and X-ray diffraction
M.I. Oshtrakha, A.A. Maksimova, A.V. Chukin, E.V. Petrova, P. Jenniskens, E. Kuzmann, V.I. Grokhovsky, Z. Homonnay, V.A.Semionkin Biomolecular Spectroscopy Volume 219, 5 August 2019, Pages 206-224 LINK “Highlights • The internal differences on a meter-size…
Oxygen isotopic and chemical composition of chromites in micrometeorites: Evidence of ordinary chondrite precursors
N. G. Rudraswami, Yves Marrocchi, M. Shyam Prasad, D. Fernandes, Johan Villeneuve, S. Taylor Meteoritics & Planetary Science First Published: 19 March 2019 LINK “We identified 66 chromite grains from 42 of ~5000 micrometeorites collected…
Evidence for widespread hydrated minerals on asteroid (101955) Bennu
V. E. Hamilton, A. A. Simon, P. R. Christensen, D. C. Reuter, B. E. Clark, M. A. Barucci, N. E. Bowles, W. V. Boynton, J. R. Brucato, E. A. Cloutis, H. C. Connolly Jr, K….
Indigenous Organic‐Oxidized Fluid Interactions in the Tissint Mars MeteoriteOPEN ACCESS
Elizabeth A. Jaramillo, Samuel H. Royle, Mark W. Claire, Samuel P. Kounaves, Mark A. Sephton Geographical Research Letters, 46 First published: 07 March 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The observed fall and rapid…
Meteoroid Structure and FragmentationOPEN ACCESS
Margaret D. Campbell-Brown PDF (OPEN ACCESS) Preprint submitted to Planetary and Space Science “The physical composition and structure of meteoroids gives us insight into the formation processes of their parent asteroids and comets. The strength…
The Sariçiçek howardite fall in Turkey: Source crater of HED meteorites on Vesta and impact risk of VestoidsOPEN ACCESS
Ozan Unsalan, Peter Jenniskens, Qing‐Zhu Yin, Ersin Kaygisiz, Jim Albers, David L. Clark, Mikael Granvik, Iskender Demirkol, Ibrahim Y. Erdogan, Aydin S. Bengu, Mehmet E. Özel, Zahide Terzioglu, Nayeob Gi, Peter Brown, Esref Yalcinkaya, Tuğba…
Titanium isotopic evidence for a shared genetic heritage of refractory inclusions from different carbonaceous chondrites
Jan Render, Samuel Ebert, Christoph Burkhardt, Thorsten Kleine, Gregory A. Brennecka Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 14 March 2019 LINK “Insights into the earliest stages of our Solar System can…
Evidence for early impact on a hot differentiated planetesimal from Al-rich micro-inclusions in ungrouped achondrite Northwest Africa 7325
Jing Yang, Chi Zhang, Masaaki Miyahara, Xu Tang, Lixin Gu, Yangting Lin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 13 March 2019 LINK “The ungrouped achondrite NWA 7325 is a cumulate olivine…
Sedimentary record from Patagonia, southern Chile supports cosmic-impact triggering of biomass burning, climate change, and megafaunal extinctions at 12.8 kaOPEN ACCESS
Mario Pino,Ana M. Abarzúa,Giselle Astorga,Alejandra Martel-Cea,Nathalie Cossio-Montecinos,R. Ximena Navarro,Maria Paz Lira,Rafael Labarca,Malcolm A. LeCompte,Victor Adedeji,Christopher R. Moore,Ted E. Bunch,Charles Mooney,Wendy S. Wolbach,Allen West & James P. Kennett Scientific Reports 9, 1–27 LINK (OPEN ACCESS) PDF…
Fates of hydrous materials during planetesimal collisionsOPEN ACCESS
Shigeru Wakita, Hidenori Genda PDF (OPEN ACCESS) Update (Icarus, 20 March 2019) LINK “Hydrous minerals are found on the surfaces of asteroids, but their origin is not clear. If their origin is endogenic, the hydrous…
Origin of the metamorphosed clasts in the CV3 carbonaceous chondrite breccias of Graves Nunataks 06101, Vigarano, Roberts Massif 04143, and Yamato‐86009
Kaori Jogo, Motoo Ito, Shigeru Wakita, Sachio Kobayashi, Jong Ik Lee Meteoritics & Planetary Science First Published: 12 March 2019 LINK “We observed metamorphosed clasts in the CV3 chondrite breccias Graves Nunataks 06101, Vigarano, Roberts…
On beryllium-10 production in gaseous protoplanetary disks and implications on the astrophysical setting of refractory inclusionsOPEN ACCESS
Emmanuel Jacquet Accepted to Astronomy & Astrophysics PDF (OPEN ACCESS) “Calcium-Aluminum-rich Inclusions (CAIs), the oldest known solids of the solar system, show evidence for the past presence of short-lived radionuclide beryllium-10, which was likely produced…
Libyan Desert Glass area in western Egypt: Shocked quartz in bedrock points to a possible deeply eroded impact structure in the regionOPEN ACCESS
Christian Koeberl, Ludovic Ferrière Meteoritics & Planetary Science First Published: 10 March 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Libyan Desert Glass (LDG) is an enigmatic natural glass, about 28.5 million years old, which occurs…
Testing accretion mechanisms of the H chondrite parent body utilizing nucleosynthetic anomalies
Søren Grube Pedersen, Martin Schiller, James N. Connelly, Martin Bizzarro Meteoritics & Planetary Science First Published: 7 March 2019 LINK “Planetary bodies a few hundred kilometers in radii are the precursors to larger planets but…
Siderophile element characteristics of acapulcoite–lodranites and winonaites: Implications for the early differentiation processes of their parent bodies
Yoshihiro Hidaka Naoki Shirai, Akira Yamaguchi, Mitsuru Ebihara Meteoritics & Planetary Science First Published: 7 March 2019 LINK “We have studied magnetic fractions of five acapulcoites, three lodranites, and two winonaites to investigate chemical compositions…
Chromium Isotopic Evidence for an Early Formation of Chondrules from the Ornans CO Chondrite
Ke Zhu (朱柯), Jia Liu, Frédéric Moynier, Liping Qin, Conel M. O’D. Alexander, and Yongsheng He The Astrophysical Journal, Volume 873, Number 1 LINK “Chondrules are the main components of primitive meteorites and possibly the…
Lithium- and oxygen-isotope compositions of chondrule constituents in the Allende meteorite
Tak Kunihiro, Tsutomu Ota, Eizo Nakamura Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 6 March 2019 LINK “We report in situ ion-microprobe analyses of Li- and O-isotope compositions for olivine, low-Ca pyroxene,…
The potential science and engineering value of samples delivered to Earth by Mars sample returnOPEN ACCESS
International MSR Objectives and Samples Team (iMOST) D. W. Beaty M. M. Grady H. Y. McSween E. Sefton‐Nash B. L. Carrier F. Altieri Y. Amelin E. Ammannito M. Anand L. G. Benning J. L. Bishop…
Upper atmosphere effects after the entry of small cosmic bodies: Dust trains, plumes, and atmospheric disturbances
N. Artemieva, V.V. Shuvalov, V.M. Khazins Icarus Available online 4 March 2019 LINK “In this paper we present the results of numerical modeling of the Chelyabinsk dust train during the first 3 min after the meteoroid…
Petrography and geochemistry of the impact to postimpact transition layer at the El’gygytgyn impact structure in Chukotka, Arctic RussiaOPEN ACCESS
Karin Maierhofer, Christian Koeberl, Julie Brigham‐Grette Meteoritics & Planetary Science First Published: 3 March 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The 3.6 Ma El’gygytgyn impact structure, located in northeast Chukotka in Arctic Russia, was…
Ancient geologic events on Mars revealed by zircons and apatites from the Martian regolith breccia NWA 7034
Sen Hu, Yangting Lin, Jianchao Zhang, Jialong Hao, Weifan Xing, Ting Zhang, Wei Yang, Hitesh Changela Meteoritics & Planetary Science First Published: 3 March 2019 LINK “Zircons and apatites in clasts and matrix from the…
Reflectance spectroscopy of insoluble organic matter (IOM) and carbonaceous meteorites
Hannah H. Kaplan, Ralph E. Milliken, Conel M. O’D. Alexander, Christopher D. K. Herd Meteoritics & Planetary Science First Published: 3 March 2019 LINK “Insoluble organic matter (IOM) is the major organic component of chondritic…
Accretion of the asteroids: Implications for their thermal evolution
S. J. Weidenschilling Meteoritics & Planetary Science First Published: 3 March 2019 LINK “Thermal models of asteroids generally assume that they accreted either instantaneously or over an extended interval with a prescribed growth rate. It…