Probing the early stages of shock-induced chondritic meteorite formation at the mesoscaleOPEN ACCESS
Michael E. Rutherford, David J. Chapman, James G. Derrick, Jack R. W. Patten, Philip A. Bland, Alexander Rack, Gareth S. Collins & Daniel E. Eakins Scientific Reports 7, Article number: 45206 (2017) doi:10.1038/srep45206 Published online:…
3D shape of asteroid (6)~Hebe from VLT/SPHERE imaging: Implications for the origin of ordinary H chondritesOPEN ACCESS
M. Marsset, B. Carry, C. Dumas, J. Hanus, M. Viikinkoski, P. Vernazza, T. G. Müller, M. Delbo, E. Jehin, M. Gillon, J. Grice, B. Yang, T. Fusco, J. Berthier, S. Sonnett, F. Kugel, J. Caron,…
The Stubenberg meteorite—An LL6 chondrite fragmental breccia recovered soon after precise prediction of the strewn field.
Bischoff, A., Barrat, J.-A., Bauer, K., Burkhardt, C., Busemann, H., Ebert, S., Gonsior, M., Hakenmüller, J., Haloda, J., Harries, D., Heinlein, D., Hiesinger, H., Hochleitner, R., Hoffmann, V., Kaliwoda, M., Laubenstein, M., Maden, C., Meier,…
Cometary dust: the diversity of primitive refractory grainsOPEN ACCESS
D. H.Wooden, H. A.Ishii, M. E.Zolensky Phil. Trans. R. Soc. A 2017 375 20160260; DOI: 10.1098/rsta.2016.0260. Published 29 May 2017 Review article LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Comet dust is primitive and shows significant…
Numerical model of the Chelyabinsk meteoroid as a strengthless object
V. Shuvalov, V. Svetsov, O. Popova, D. Glazachev Planetary and Space Science In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Highlights • The entry of Chelyabinsk meteoroid is considered in the frame of…
Simultaneous iron and nickel isotopic analyses of presolar silicon carbide grains
Reto Trappitsch, Thomas Stephan, Michael R. Savina, Andrew M. Davis, Michael J. Pellin, Detlef Rost, Frank Gyngard, Roberto Gallino, Sara Bisterzo, Sergio Cristallo, Nicolas Dauphas Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online…
Iron and nickel isotope compositions of presolar silicon carbide grains from supernovae
János Kodolányi, Thomas Stephan, Reto Trappitsch, Peter Hoppe, Marco Pignatari, Andrew M. Davis, Michael J. Pellin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “We report the carbon, silicon,…
Rare Earth Element abundances in presolar SiC
T.R. Ireland, J.N. Ávila, M. Lugaro, S. Cristallo, P. Holden, P. Lanc, L. Nittler, C.M.O’D. Alexander, F. Gyngard, S. Amari Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Individual…
D/H diffusion in serpentine
Hélène Pilorge, Bruno Reynard, Laurent Remusat, Sylvie Le Floch, Gilles Montagnac, Hervé Cardon Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Interactions between aqueous fluids and ultrabasic rocks are…
Platinum isotopes in iron meteorites: galactic cosmic ray effects and nucleosynthetic homogeneity in the p-process isotope 190Pt and the other Platinum isotopes
Alison C. Hunt, Mattias Ek, Maria Schönbächler Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Platinum isotopes are sensitive to the effects of galactic cosmic rays (GCR), which can…
Evaluating Crustal Contributions to Enriched Shergottites from the Petrology, Trace Elements, and Rb-Sr and Sm-Nd Isotope Systematics of Northwest Africa 856
J. Ferdous, A.D. Brandon, A.H. Peslier, Z. Pirotte Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “The origin of the incompatible trace element (ITE) characteristics of enriched shergottites has…
Três Irmãos – meteorite fall in Água Branca, Palmas de Monte Alto, Bahia, Brazil at ~11:20 a.m. (14:20 UTC) on 26 May 2017
Last update: 16 August 2017 The Três Irmãos meteorite (9 cm (length), 5 cm (height), 6 cm (width), an ordinary chondrite (L6, S3, W0) weighing about 950 grams was found by Sirlene da Silva Paes…
Dishchii’bikoh Ts’iłsǫǫsé Tsee (Cibecue Star Stone) officially registered as witnessed fall (LL7, S3, W0)
Dishchii’bikoh has been officially registered as witnessed fall Dishchii’bikoh is Apache for Cibecue. The meteorite’s full name is Dishchii’bikoh Ts’iłsǫǫsé Tsee ♫ (Cibecue Star Stone). Interview with Laurence Garvie (kjzz, 31 May 2017) AUDIO (MP3)…
Silicate–SiO reaction in a protoplanetary disk recorded by oxygen isotopes in chondrules
Ryoji Tanaka & Eizo Nakamura Nature Astronomy 1, Article number: 0137 (2017) doi:10.1038/s41550-017-0137 LINK “The formation of planetesimals and planetary embryos during the earliest stages of the solar protoplanetary disk largely determined the composition and…
Atomic-scale age resolution of planetary eventsOPEN ACCESS
L. F. White, J. R. Darling, D. E. Moser, D. A. Reinhard, T. J. Prosa, D. Bullen, D. Olson, D. J. Larson, D. Lawrence & I. Martin Nature Communications 8, Article number: 15597 (2017) doi:10.1038/ncomms15597…
New candidates for active asteroids: main-belt (145) Adeona, (704) Interamnia, (779) Nina, (1474) Beira, and near-Earth (162173) RyuguOPEN ACCESS
Vladimir V. Busarev, Andrei B. Makalkin, Faith Vilas, Sergey I. Barabanov, Marina P. Scherbina submitted to Icarus 2017 PDF (OPEN ACCESS) “For the first time, spectral signs of subtle coma activity were observed for four…
Stellar origin of 15N-rich presolar SiC grains of type AB: supernovae with explosive hydrogen burningOPEN ACCESS
Nan Liu, Larry R. Nittler, Marco Pignatari, Conel M. O’D. Alexander, Jianhua Wang The Astrophysical Journal Letters PDF (OPEN ACCESS) “We report C, N, and Si isotopic data for 59 highly 13C-enriched presolar submicron- to…
Silver contents and Cu/Ag ratios in Martian meteorites and the implications for planetary differentiation
Zaicong Wang, Harry Becker Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 21 May 2017 LINK “Silver and Cu show very similar partitioning behavior in sulfide melt-silicate melt and metal-silicate systems at low…
The Bulk Valence State of Fe and the Origin of Water in Chondrites
S. Sutton, C.M.O’D. Alexander, A. Bryant, A. Lanzirotti, M. Newville, E.A. Cloutis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 19 May 2017 LINK “There is abundant petrologic evidence for the oxidation of…
Osmium isotopic homogeneity in the CK carbonaceous chondrites
Steven Goderis, Alan D. Brandon, Bernhard Mayer, Munir Humayun Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 May 2017 LINK “Variable proportions of isotopically diverse presolar components are known to account for…
Secondary melting events in Semarkona chondrules revealed by compositional zoning in low-Ca pyroxene
Bastian Baecker, Alan E. Rubin, John T. Wasson Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 17 May 2017 LINK “It is well established that many chondrules contain relict grains formed in previous…
Submillisecond fireball timing using de Bruijn timecodes.
Howie, R. M., Paxman, J., Bland, P. A., Towner, M. C., Sansom, E. K. and Devillepoix, H. A. R. Meteoritics & Planetary Science 10.1111/maps.12878 Available online 16 May 2017 LINK “Long-exposure fireball photographs have been…
A new high-precision 40Ar/39Ar age for the Rochechouart impact structure: At least 5 Ma older than the Triassic–Jurassic boundaryOPEN ACCESS
Cohen, Benjamin E., Mark, Darren F., Lee, Martin R., Simpson, Sarah L. Meteoritics & Planetary Science 10.1111/maps.12880 Available online 16 May 2017 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The Rochechourt impact structure in south-central France,…
The parent body controls on cosmic spherule texture: Evidence from the oxygen isotopic compositions of large micrometeorites
M. van Ginneken, J. Gattacceca, P. Rochette, C. Sonzogni, A. Alexandre, V. Vidal, M.J. Genge Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 May 2017 LINK “High-precision oxygen isotopic compositions of eighteen…
Unraveling the role of liquids during chondrule formation processes
Maria Eugenia Varela, Ernst Zinner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 May 2017 LINK “The process/es involved in chondrule formation cover a wide range of mechanisms whose nature is still…
How to build a continental scale fireball camera network
Robert M. Howie, Jonathan Paxman, Philip A. Bland, Martin C. Towner, Martin Cupak, Eleanor K. Sansom, Hadrien A. R. Devillepoix Experimental Astronomy (2017) doi:10.1007/s10686-017-9532-7 First Online: 11 May 2017 LINK “The expansion of the Australian…
The compositional diversity of non-Vesta basaltic asteroidsOPEN ACCESS
Thomas B. Leith, Nicholas A. Moskovitz, Rhiannon G. Mayne, Francesca E. DeMeo, Driss Takir, Brian J. Burt, Richard P. Binzel, Dimitra Pefkou Icarus In Press, Accepted Manuscript, Available online 11 May 2017 PDF (OPEN ACCESS)…
Correlated Nanoscale Characterization of a Unique Complex Oxygen-rich Stardust Grain: Implications for Circumstellar Dust Formation
J. Leitner, P. Hoppe, C. Floss, F. Hillion, T. Henkel Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 11 May 2017 LINK “We report the light to intermediate-mass element abundances as well as…
Mixing and transport of dust in the early solar nebula as inferred from titanium isotope variations among chondrulesOPEN ACCESS
Simone Gerber, Christoph Burkhardt, Gerrit Budde, Knut Metzler, Thorsten Kleine accepted for publication in the Astrophysical Journal Letters, May 10, 2017 PDF (OPEN ACCESS) Update (22 May 2017): LINK “Chondrules formed by the melting of…
Evidence of cross-cutting and redox reaction in Khatyrka meteorite reveals metallic-Al minerals formed in outer spaceOPEN ACCESS
Chaney Lin, Lincoln S. Hollister, Glenn J. MacPherson, Luca Bindi, Chi Ma, Christopher L. Andronicos & Paul J. Steinhardt Scientific Reports 7, Article number: 1637 (2017) doi:10.1038/s41598-017-01445-5 LINK (OPEN ACCESS) “We report on a fragment…
Martian low-temperature alteration materials in shock-melt pockets in Tissint: Constraints on their preservation in shergottite meteorites
C.R. Kuchka, C.D.K. Herd, E.L. Walton, Y. Guan, Y. Liu Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 May 2017 LINK “We apply an array of in situ analytical techniques, including electron…
Tracing metal–silicate segregation and late veneer in the Earth and the ureilite parent body with palladium stable isotopes
J.B. Creech, F. Moynier, M. Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 May 2017 LINK “Stable isotope studies of highly siderophile elements (HSE) have the potential to yield valuable insights…
Reconstruction of the Morasko meteoroid impact—Insight from numerical modeling.
Bronikowska, M., Artemieva, N. A. and Wünnemann, K. Meteoritics & Planetary Science. doi: 10.1111/maps.12882 LINK “The Morasko strewn field located near Poznań, Poland comprises seven impact craters with diameters ranging from 20 to 90 m,…
Crystal structure refinement of chromites from two achondrites, their T-f(O2) conditions, and implications.
Lenaz, D. and Schmitz, B. Meteoritics & Planetary Science. doi: 10.1111/maps.12885 LINK “Six Cr-spinel grains from NWA 6077 brachinite-like and NWA 725 winonaite achondrites have been studied by single-crystal X-ray diffraction and structural refinement. From…
New insights on petrography and geochemistry of impactites from the Lonar crater, India.
Ray, D., Upadhyay, D., Misra, S., Newsom, H. E. and Ghosh, S. Meteoritics & Planetary Science. doi: 10.1111/maps.12881 LINK “The Lonar impact crater, India, is one of the few known terrestrial impact craters excavated in…
Meteorites from Phobos and Deimos at Earth?OPEN ACCESS
P. Wiegert, M.A. Galiazzo Planetary and Space Science In Press, Accepted Manuscript, Available online 6 May 2017 PDF (OPEN ACCESS) LINK “Highlights • The transfer process of material from Phobos and Deimos to Earth is…
Thermoluminescence characteristics of a chondrite (Holbrook) and an aubrite achondrite (Norton County) meteorites
Lily Bossin, Nikolaos A. Kazakis, George Kitis, Nestor C. Tsirliganis Applied Radiation and Isotopes, Volume 127, September 2017, Pages 26-34 LINK “Highlights • TL properties of two meteorites, Norton County and Holbrook, are investigated. •…
Shocked chromites in fossil L chondrites: A Raman spectroscopy and transmission electron microscopy study.
Rout, S. S., Heck, P. R., Zaluzec, N. J., Ishii, T., Wen, J., Miller, D. J. and Schmitz, B. Meteoritics & Planetary Science. doi: 10.1111/maps.12887 LINK “Chromites from Middle Ordovician fossil L chondrites and from…