Distribution of p-process 174Hf in early solar system materials and the origin of nucleosynthetic Hf and W isotope anomalies in Ca–Al rich inclusions
Stefan T.M. Peters, Carsten Münker, Markus Pfeifer, Bo-Magnus Elfers, Peter Sprung Earth and Planetary Science Letters In Press, Corrected Proof, Available online 29 November 2016 LINK “Highlights • Chondrites, eucrites and Earth carry uniform p-process…
Evidence for a spatially extensive hydrothermal system at the Ries impact structure, Germany.
Sapers, H. M., Osinski, G. R., Flemming, R. L., Buitenhuis, E., Banerjee, N. R., Tornabene, L. L., Blain, S. and Hainge, J. Meteoritics & Planetary Science. doi: 10.1111/maps.12796 LINK “The ~15 Ma, 26 km diameter…
Chemical layering in the upper mantle of Mars: Evidence from olivine-hosted melt inclusions in Tissint.
Basu Sarbadhikari, A., Babu, E. V. S. S. K. and Vijaya Kumar, T. Meteoritics & Planetary Science. doi: 10.1111/maps.12790 LINK “Melting of Martian mantle, formation, and evolution of primary magma from the depleted mantle were…
The variability of ruthenium in chromite from chassignite and olivine-phyric shergottite meteorites: New insights into the behavior of PGE and sulfur in Martian magmatic systems.
Baumgartner, R. J., Fiorentini, M. L., Baratoux, D., Ferrière, L., Locmelis, M., Tomkins, A. and Sener, K. A. Meteoritics & Planetary Science. doi: 10.1111/maps.12795 LINK “The Martian meteorites comprise mantle-derived mafic to ultramafic rocks that…
All meteorites of the ALETAI strewn field officially registered as Iron, IIIE-an / ‘Armanty’ and ‘Xinjiang (b)’ abolished
The names ‘Armanty’ and ‘Xinjiang (b)’ have been abolished. LINK Writeup from MB 105: “Nomenclature of the Aletai (IIIE-an) iron meteorites from Xinjiang, China Chemical and petrographic analyses of multiple iron meteorite masses in the…
Mid-infrared spectra of comet nucleiOPEN ACCESS
Michael S.P. Kelley, Charles E. Woodward, Robert D. Gehrz, William T. Reach, David E. Harker Icarus (in Press) PDF (OPEN ACCESS) abstract “Highlights • We observed two comet nuclei with the Spitzer Space Telescope. •…
Steingarden Nunataks 07009 (ex Queenmet icefields 07009) as ungrouped iron in the Meteoritical Bulletin Database
Steingarden Nunataks 07009, formerly known as ‘Queenmet Icefields 07009 (QMI 07009)’, has been classified as ungrouped iron and is now registered in the Meteoritical Bulletin Database. [wc_row][wc_column size=”one-half” position=”first”] [/wc_column][wc_column size=”one-half” position=”last”] [/wc_column][/wc_row] Writeup from…
Chelyabinsk – a rock with many different (stony) faces: An infrared study
Andreas Morlok, Addi Bischoff, Markus Patzek, Martin Sohn, Harald Hiesinger Icarus In Press, Accepted Manuscript, Available online 25 November 2016 LINK “Highlights • We studied 3 lithologies of the Chelyabinsk meteorite in the mid-infrared. •…
Water in type I chondrules of Paris CM chondrite
A. Stephant, L. Remusat, F. Robert Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 25 November 2016 LINK “Hydrogen isotopic ratio and water concentration have been measured with the NanoSIMS in olivine, pyroxene…
AIQUILE – meteorite fall (H5, S3, W0) in Tabla Mayu (Chago K’asa), Panamá, Ch’awar Mayu, Barbechos and Cruz Loma, near AIQUILE, Cochabamba, Bolivia on 20 November 2016, ~9:45-57 p.m. UTC (~5.45-57 p.m. BOT) (UPDT: 21 Apr 2017)
Last update: 21 April 2017 In the evening of November 20, 2016, at ~5.45-57 p.m. local time, three to four detonation sounds were heard by the Quechua villagers in the area around Aiquile in Bolivia’s…
A carbon-rich region in Miller Range 091004 and implications for ureilite petrogenesis
James M.D. Day, Christopher A. Corder, Pierre Cartigny, Andrew M. Steele, Nelly Assayag, Douglas Rumble III, Lawrence A. Taylor Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 22 November 2016 LINK “Ureilite meteorites…
Mn-Cr ages and formation conditions of fayalite in CV3 carbonaceous chondrites: Constraints on the accretion ages of chondritic asteroids
Kaori Jogo, Tomoki Nakamura, Motoo Ito, Shigeru Wakita, Mikhail Yu. Zolotov, Scott R. Messenger Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 21 November 2016 LINK “Chondritic planetesimals are among the first planetary…
Asteroid Fragmentation Approaches for Modeling Atmospheric Energy Deposition
Paul J. Register, Donovan L. Mathias, Lorien F. Wheeler Icarus In Press, Accepted Manuscript, Available online 18 November 2016 LINK “Highlights • Fragmentation modeling approaches are compared using Chelyabinsk meteor data. • A new model…
DINGLE DELL (L/LL5, S2, W0) – 1.15-kg meteorite fall near Morawa, Western Australia on October 31, 2016 at 8.03.46 pm AWST (12.03.46 pm UTC)
Last update: 9 June 2017 On 31 October 2016 at 8.03.46 pm AWST (12.03.46 pm UTC) a bolide was seen above Western Australia, coming in from a north-northeastern direction. It was recorded entering the atmosphere…
Chronologic Implications for Slow Cooling of Troctolite 76535 and Temporal Relationships between the Mg-suite and the Ferroan Anorthosite Suite
Lars E. Borg, James N. Connelly, William Cassata, Amy M. Gaffney, Martin Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 November 2016 LINK “Ages have been obtained using the 87Rb-87Sr, 147Sm-143Nd,…
Planetesimal collisions as a chondrule forming eventOPEN ACCESS
Shigeru Wakita, Yuji Matsumoto, Shoichi Oshino, Yasuhiro Hasegawa accepted for publication in ApJ PDF (OPEN ACCESS) abstract Update (9 January 2017): LINK “Chondritic meteorites contain unique spherical materials named chondrules: sub-mm sized silicate grains once…
The formation of peak rings in large impact craters
Joanna V. Morgan, Sean P. S. Gulick, Timothy Bralower, Elise Chenot, Gail Christeson, Philippe Claeys, Charles Cockell, Gareth S. Collins, Marco J. L. Coolen, Ludovic Ferrière, Catalina Gebhardt, Kazuhisa Goto, Heather Jones, David A. Kring,…
The Braunschweig meteorite − a recent L6 chondrite fall in Germany
Rainer Bartoschewitz, Peter Appel, Jean-Alix Barrat, Addi Bischoff, Marc W. Caffee, Ian A. Franchi, Zelimir Gabelica, Richard C. Greenwood, Mourad Harir, Dennis Harries, Rupert Hochleitner, Jens Hopp, Matthias Laubenstein, Barbara Mader, Rosa Marques, Andreas Morlok,…
Mössbauer spectroscopy of NWA 6286 and NWA 7857 ordinary chondrites
A.A. Maksimova, M.I. Oshtrakh, I. Felner, A.V. Chukin, M.S. Karabanalov, V.A. Semionkin Journal of Molecular Structure, Volume 1140, 15 July 2017, Pages 122-126 LINK “Highlights • Mössbauer spectroscopy of NWA 6286 and NWA 7857 LL6…
Oxygen isotope constraints on the alteration temperatures of CM chondrites
Maximilien J. Verdier-Paoletti, Yves Marrocchi, Guillaume Avice, Mathieu Roskosz, Andrey Gurenko, Matthieu Gounelle Earth and Planetary Science Letters In Press, Corrected Proof, Available online 15 November 2016 LINK “Highlights • Carbonate O-isotope compositions of 9…
Melting and differentiation of early-formed asteroids: The perspective from high precision oxygen isotope studiesOPEN ACCESS
Richard C. Greenwood, Thomas H. Burbine, Martin F. Miller, Ian. A. Franchi Chemie der Erde – Geochemistry Review article In Press, Corrected Proof, Available online 14 November 2016 LINK (OPEN ACCESS) “A number of distinct…
Rocky Planetesimal Formation via Fluffy Aggregates of NanograinsOPEN ACCESS
Sota Arakawa, Taishi Nakamoto Updated (18 Nov. 2016): The Astrophysical Journal Letters, Volume 832, Number 2 PDF (OPEN ACCESS) abstract “Several pieces of evidence suggest that silicate grains in primitive meteorites are not interstellar grains…
Northwest Africa 5790: A previously unsampled portion of the upper part of the nakhlite pile.
Brian Balta, J., Sanborn, M. E., Mayne, R. G., Wadhwa, M., McSween, H. Y. and Crossley, S. D. Meteoritics & Planetary Science. doi: 10.1111/maps.12744 First published: 14 November 2016 LINK “We present a geochemical study…
Thermal and chemical evolution in the early Solar System as recorded by FUN CAIs: Part I – Petrology, mineral chemistry, and isotopic composition of Allende FUN CAI CMS-1
C.D. Williams, T. Ushikubo, E.S. Bullock, P.E. Janney, R.R. Hines, N.T. Kita, R.L. Hervig, G.J. MacPherson, R.A. Mendybaev, F.M. Richter, M. Wadhwa Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 14 November 2016…
Extreme early solar system chemical fractionation recorded by alkali-rich clasts contained in ordinary chondrite breccias
Tatsunori Yokoyama, Keiji Misawa, Osamu Okano, Chi-Yu Shih, Laurence E. Nyquist, Justin I. Simon, Michael J. Tappa, Shigekazu Yoneda Earth and Planetary Science Letters In Press, Corrected Proof, Available online 11 November 2016 LINK “Highlights…
Olivine dissolution in molten silicates: An experimental study with application to chondrule formation.
Soulié, C., Libourel, G. and Tissandier, L. Meteoritics & Planetary Science. doi: 10.1111/maps.12792 First published: 11 November 2016 LINK “Mg-rich olivine is a ubiquitous phase in type I porphyritic chondrules in various classes of chondritic…
Amazonian chemical weathering rate derived from stony meteorite finds at Meridiani Planum on MarsOPEN ACCESS
Christian Schröder, Phil A. Bland, Matthew P. Golombek, James W. Ashley, Nicholas H. Warner & John A. Grant Nature Communications 7 Article number: 13459 (2016) doi:10.1038/ncomms13459 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Little is known…
Meteorites and the RNA World: A Thermodynamic Model of Nucleobase Synthesis within PlanetesimalsOPEN ACCESS
Pearce Ben K. D. and Pudritz Ralph E. Astrobiology November 2016, 16(11): 853-872. doi:10.1089/ast.2015.1451. Online Ahead of Print: November 9, 2016 PDF (OPEN ACCESS) LINK “The possible meteorite parent body origin of Earth’s pregenetic nucleobases…
Relict olivines in micrometeorites: precursors and interactions in the earth’s atmosphere
N. G. Rudraswami, M. Shyam Prasad, S. Dey, D. Fernandes, J. M. C. Plane, W. Feng, S. Taylor, and J. D. Carrillo-Sánchez The Astrophysical Journal, Volume 831, Number 2 Published 2016 November 9 LINK “Antarctica…
Evidence for geologic processes on cometsOPEN ACCESS
Jessica M. Sunshine, Nicolas Thomas, Mohamed R. El‐Maarry, Tony L. Farnham Journal of Geophysical Research Review article DOI: 10.1002/2016JE005119 First published: 7 November 2016 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Spacecraft missions have resolved the…
Modeling orbital gamma-ray spectroscopy experiments at carbonaceous asteroids
Lucy F. Lim, Richard D. Starr, Larry G. Evans, Ann M. Parsons, Michael E. Zolensky and William V. Boynton Meteoritics & Planetary Science. doi: 10.1111/maps.12786 Version of Record online: 6 NOV 2016 LINK “To evaluate…
Thermophysical properties of Almahata Sitta meteorites (asteroid 2008 TC3) for high-fidelity entry modeling
Stefan Loehle, Peter Jenniskens, Hannah Böhrk, Thomas Bauer, Henning Elsäβer, Derek W. Sears, Michael E. Zolensky and Muawia H. Shaddad Meteoritics & Planetary Science. doi: 10.1111/maps.12788 Version of Record online: 6 NOV 2016 LINK “Asteroid…
Hungaria Asteroid Region Telescopic Spectral Survey (HARTSS) I: Stony Asteroids Abundant in the Hungaria Background Population
Michael P. Lucas, Joshua P. Emery, Noemi Pinilla-Alonso, Sean S. Lindsay, Vania Lorenzi Icarus In Press, Accepted Manuscript, Available online 5 November 2016 LINK “Highlights • HARTSS describes taxonomy, mineralogy, and meteorite analogs of Hungaria…
FC Colour Images of Dwarf Planet Ceres Reveal a Complicated Geological History
A. Nathues, M. Hoffmann, T. Platz, G.S. Thangjam, E.A. Cloutis, V. Reddy, L. Le Corre, J.-Y. Li, K. Mengel, A. Rivkin, D.M. Applin, M. Schaefer, U. Christensen, H. Sierks, J. Ripken, B.E. Schmidt, H. Hiesinger,…
Matrix effects on the relative sensitivity factors for manganese and chromium during ion microprobe analysis of carbonate: implications for early Solar System chronology
Robert C.J. Steele, Veronika S. Heber, Kevin D. McKeegan Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 5 November 2016 LINK “The short-lived radionuclide 53Mn decays to 53Cr providing a relative chronometer for…
Pb-Pb Chronometry and the Early Solar SystemOPEN ACCESS
J.N. Connelly, J. Bollard, M. Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 November 2016 LINK (OPEN ACCESS) “Of the long-lived chronometric systems, only the dual decay of 238U and 235U…
A geochemical study of the winonaites: Evidence for limited partial melting and constraints on the precursor composition
Alison C. Hunt, Gretchen K. Benedix, Samantha J. Hammond, Philip A. Bland, Mark Rehkämper, Katharina Kreissig, Stanislav Strekopytov Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 November 2016 LINK “The winonaites are…
Immiscible silicate liquids and phosphoran olivine in Netschaëvo IIE silicate: analogue for planetesimal core–mantle boundaries
Nadia Van Roosbroek, Christopher Hamann, Seann McKibbin, Ansgar Greshake, Richard Wirth, Lidia Pittarello, Lutz Hecht, Philippe Claeys, Vinciane Debaille Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 November 2016 LINK “We have…
26Al-26Mg systematics in chondrules from Kaba and Yamato 980145 CV3 carbonaceous chondrites
Kazuhide Nagashima, Alexander N. Krot, Mutsumi Komatsu Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 November 2016 LINK “We report the mineralogy, petrography, and in situ measured 26Al-26Mg systematics in chondrules from…
Phosphate minerals in the H group of ordinary chondrites, and fluid activity recorded by apatite heterogeneity in the Zag H3-6 regolith breccia
Rhian H. Jones, Francis M. Mccubbin, Yunbin Guan American Mineralogist, v. 101, i. 11, p. 2452-2467 Published on November 2016, First Published on November 01, 2016, doi:10.2138/am-2016-5728 LINK “Phosphate minerals in ordinary chondrites provide a…