Identification and pairing reassessment of unequilibrated ordinary chondrites from four Antarctic dense collection areas
Kevin Righter, John Schutt, Nicole Lunning, Ralph Harvey, James Karner Meteoritics & Planetary ScienceFirst Published: 24 July 2021 LINK “New analyses of Cr2O3 contents of olivines from type II chondrules in unequilibrated chondrites (UOC) from…
IIE irons: Origin, relationship to ordinary chondrites, and evidence for siderophile-element fractionations caused by chondrule formation
Alan E. Rubin Meteoritics & Planetary ScienceVersion of Record online: 19 July 2021 LINK “IIE irons were derived from chondritic precursors that were the most reduced ordinary chondrites. The bulk chemical (e.g., Ir/Ni, Ir/Au, Au/Ni,…
Apparent meteorite find (OC, 2.76 kg) near Ramón de las Yaguas, Santiago de Cuba province, Cuba
On 16 July the Ciencia Tecnología y Medio Ambiente (CITMA) of Cuba reported that a 2.76-kilogram meteorite (13 cm x 12 cm x 11 cm, most likely an ordinary chondrite) was found near the village…
The astrophysical context of collision processes in meteorites
Yves Marrocchi, Marco Delbo, Matthieu Gounelle Meteoritics & Planetary ScienceVersion of Record online: 09 July 2021 LINK “Chondrites are leftover solids from the early evolution of the solar protoplanetary disk that never experienced melting since…
Minimum perihelion distances and associated dwell times for near-Earth asteroidsOPEN ACCESS
Athanasia Toliou, Mikael Granvik, Georgios Tsirvoulis Monthly Notices of the Royal Astronomical Society, stab1934Published: 08 July 2021 LINK PDF (OPEN ACCESS) (preprint) “The observed near-Earth asteroid population contains very few objects with small perihelion distances,…
Tellurium isotope cosmochemistry: Implications for volatile fractionation in chondrite parent bodies and origin of the late veneer
Jan L. Hellmann, Timo Hopp, Christoph Burkhardt, Harry Becker, Mario Fischer-Gödde, Thorsten Kleine Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 6 July 2021 LINK “Tellurium stable isotope compositions and abundances (δ128/126Te relative to…
Arpu Kuilpu, an Ordinary Chondrite on a Jupiter Family Cometary Orbit
Towner M. C., Sansom E. K., Devillepoix H. A. R., Cupak M., Bland P. A., Anderson S. L., Shober P. M. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6206) PDF We describe…
CAIs in Ordinary and Enstatite Chondrites
Dunham E. T. *, Liu M.-C., Matsuda N., McKeegan K. D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6133) PDF NC CAIs / Very small and rare, unlike / CC CAIs.
Ungrouped Chondrite Chug-Chug 086
Ivanova M. A., Zinovieva N. G., Franchi I. A., Lorenz C. A., Teplyakova S. N. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6108) PDF A new ungrouped chondrite Chug-Chug 086 has affinities…
Discovery of High-Pressure Polymorphs in the Recent Fall of Viñales (L6 Ordinary Chondrite): Implications for Collisions on its Parent Body
Baziotis I., Xydous S., Papoutsa A., Hu J., Ma C., Ferrière L., Klemme S., Berndt J., Asimow P. D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6115) PDF Viñales, a L6 ordinary…
Raman Spectroscopy of Freshy Fallen Mahadeva (H5/6) Chondrite
Panda D. K., Shukla A. D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6156) PDF Study of a new chondrite meteorites always shades some insights on the understanding of the records of…
Madura Cave: A New Meteorite Fall Delivered from an Aten Orbit
Devillepoix H. A. R., Anderson S., Sansom E. K., Lagain A., Towner M. C., Bland P. A., Howie R. M., Cupak M., Benedix G. K., Forman L. V., Shober P., Hartig B. A. D. 84th…
Mean Atomic Weight, Grain Density, and Porosity of Cavezzo Chondrite
Szurgot M. A. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6009) PDF Mean atomic weight (Amean), grain density (dgr), and porosity (P) of anomaleous Cavezzo L5 chondrite were predicted. It was shown…
Reanalysis of the 24 November 1970 Fireball
Gritsevich M., Moilanen J., Visuri J., Heinlein D., Schweidler F., Flohrer J., Oberst J. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6216) PDF We demonstrate that the EN241170 fireball was the fall…
Cavezzo—The double face of a meteorite: Mineralogy, petrography, and geochemistry of a very unusual chondriteOPEN ACCESS
Giovanni Pratesi, Vanni Moggi Cecchi, Richard C. Greenwood, Ian A. Franchi, Samantha J. Hammond, Mario Di Martino, Dario Barghini, Carla Taricco, Albino Carbognani, Daniele Gardiol Meteoritics & Planetary ScienceVersion of Record online: 23 June 2021…
Shock‐Induced Incongruent Melting of Olivine in Kamargaon L6 Chondrite
Kishan Tiwari, Sujoy Ghosh, Masaaki Miyahara, Dwijesh Ray Geophysical Research LettersFirst Published: 8 June 2021 LINK “In this study, we report for the first-time shock-induced incongruent melting of olivine in an ordinary chondrite. Several olivine…
Exogenous copper sulfide in returned asteroid Itokawa regolith grains are likely relicts of prior impacting bodyOPEN ACCESS
Katherine D. Burgess & Rhonda M. Stroud Communications Earth & Environment, Volume 2, Article number: 115 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Samples from asteroid 25143 Itokawa returned by the Hayabusa mission have been identified…
Geochemistry and Cosmochemistry of potassium stable isotopes
Kun Wang, Weiqiang Li, Shilei Li, Zhen Tian, Piers Koefoed, Xin-Yuan Zheng INVITED REVIEW GeochemistryIn Press, Journal Pre-proof, Available online 9 June 2021 LINK “Stable potassium isotopes are one of the emerging non-traditional isotope systems…
Applications of Mössbauer Spectroscopy in Meteoritical and Planetary Science, Part I: Undifferentiated MeteoritesOPEN ACCESS
Alevtina A. Maksimova, Michael I. Oshtrakh Minerals 2021, 11(6), 614 LINK (OPEN ACCESS)PDF (download) “Mössbauer (nuclear γ-resonance) spectroscopy is a powerful technique that is actively used in various fields, from physics and chemistry to biology…
Asteroid break-ups and meteorite delivery to Earth the past 500 million yearsOPEN ACCESS
Fredrik Terfelt and Birger Schmitz PNAS June 15, 2021 118 (24) LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Information “The meteoritic material falling on Earth is believed to derive from large break-up or cratering events in…
Raman spectra of the Markovka chondrite (H4)
Sergey Voropaev, Ute Böttger, Sergey G. Pavlov, Franziska Hanke, Dmitri Petukhov Raman SpectroscopyFirst published: 31 May 2021 LINK “Raman spectroscopy and scanning electron microscopy methods were used to study the fragment of the Markovka (H4…
The Classification of Parauapebas Meteorite: Petrological, Mineralogical and Elemental Compositions and Physical Properties
Amanda A. Tosi, Maria Elizabeth Zucolotto, Wania Wolff, Julio C. Mendes, Sergio Suárez, Pablo Daniel Pérez, Diana P.P. Andrade Planetary and Space ScienceAvailable online 25 May 2021 LINK “Highlights Parauapebas meteorite classified as an H…
Graphite in ureilites, enstatite chondrites, and unique clasts in ordinary chondrites – Insights from the carbon-isotope compositionOPEN ACCESS
Jakob Storz, Thomas Ludwig, Addi Bischoff, Winfried H. Schwarz, Mario Trieloff Geochimica et Cosmochimica ActaAvailable online 21 May 2021 LINK (OPEN ACCESS) “Carbon is of fundamental interest for constraining the volatile element inventory of terrestrial…
Study of Fischer-Tropsch Type reactions on chondritic meteoritesOPEN ACCESS
Victoria Cabedo, Jordi Llorca, Josep Maria Trigo-Rodríguez, Albert Rimola Accepted for publication in Astronomy and Astrophysics PDF (OPEN ACCESS) “How simple organic matter appeared on Earth and the processes by which it transformed into more…
Isotope Systematics of Presolar Silicate Grains: New Insights from Magnesium and Silicon
Peter Hoppe, Jan Leitner, János Kodolányi, and Christian Vollmer The Astrophysical Journal, Volume 913, Number 1 LINK “We report on Mg and Si isotope data of 86 presolar silicate grains identified through NanoSIMS oxygen ion…
The effects of Antarctic alteration and sample heterogeneity on Sm-Nd and Lu-Hf systematics in H chondrites
Ryoga Maeda, Steven Goderis, Vinciane Debaille, Hamed Pourkhorsandi, Geneviève Hublet, Philippe Claeys Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 12 May 2021 LINK “Long-lived radioactive isotope systematics, such as Sm-Nd and Lu-Hf, are…
Characterization of Exogenic Boulders on Near-Earth Asteroid (101955) Bennu from OSIRIS-REx Color ImagesOPEN ACCESS
Lucille Le Corre, Vishnu Reddy, William F. Bottke, Daniella N. DellaGiustina, Keara Burke, Jennifer Nolau, Robin B. Van Auken, Dathon R. Golish, Juan Sanchez, Jian-Yang Li, Christian d’Aubigny, Bashar Rizk, Dante Lauretta PDF (OPEN ACCESS)…
Noble gases in cluster chondrite clasts and their host brecciasOPEN ACCESS
Kim Müsing, Henner Busemann, Liliane Huber, Colin Maden, My E. I. Riebe, Rainer Wieler, Knut Metzler Meteoritics & Planetary ScienceVersion of Record online: 09 April 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We measured noble gases…
A new method for determining the petrologic type of unequilibrated ordinary chondrites that can be applied to asteroids
Derek Sears, Daniel Ostrowski, Heather Smith, Adonay Sissay, Mihir Trivedi IcarusIn Press, Journal Pre-proof, Available online 25 March 2021 LINK “Highlights • Clinopyroxene in type 3 ordinary chondrites is determined from IR spectra.• This enables…
Laboratory investigation into the dielectric properties of an L-chondrite (NWA 12857)
Barbara Cosciotti, Sebastian Emanuel Lauro, Francesco Gabbai, Elisabetta Mattei, Federico Di Paolo, Giovanni Pratesi, Elena Pettinelli IcarusIn Press, Journal Pre-proof, Available online 16 March 2021 LINK “Highlights • Dielectric characterization of an L-chondrite solid sample.•…
Highly volatile element (H, C, F, Cl, S) abundances and H isotopic compositions in chondrules from carbonaceous and ordinary chondrites
Kei Shimizu, Conel M. O’D. Alexander, Erik H. Hauri, Adam R. Sarafian, Larry R. Nittler, Jianhua Wang, Steven D.Jacobsen, Ruslan A. Mendybaev Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 10 March 2021 LINK…
Benford’s law: Applications to ordinary‐chondrite mass distributions
Alan E. Rubin Meteoritics & Planetary ScienceVersion of Record online: 09 March 2021 LINK “For ordinary‐chondrite (OC) mass distributions, Benford’s law applies to the set of individual objects that survive intact on the Earth’s surface…
Molybdenum Isotope Dichotomy in Meteorites Caused by s-Process Variability
Thomas Stephan and Andrew M. Davis The Astrophysical Journal, Volume 909, Number 1Published: 1 March 2021 LINK “Molybdenum isotopes measured in most individual presolar silicon carbide grains are dominated by s-process contributions from the helium…
The Mechanical Properties of Chelyabinsk LL5 Chondrite Under Compression and TensionOPEN ACCESS
Dmitry Zaytsev, Elijah N. Borodin, A. E. Dudorov & P. Panfilov Earth, Moon, and Planets, Volume 125, Article number: 2 (2021) LINK (OPEN ACCESS)PDF (DOWNLOAD) “The mechanical properties of Chelyabinsk LL5 chondrite (Chelyabinsk meteorite) were…
Mineralogy, petrology, geochemistry, and chronology of the Murrili (H5) meteorite fall: The third recovered fall from the Desert Fireball Network
S. Anderson, G. K. Benedix, L. V. Forman, L. Daly, R. C. Greenwood, I. A. Franchi, J. M. Friedrich, R. Macke, S. Wiggins, D. Britt, J. M. Cadogan, M. M. M. Meier, C. Maden, H….
Geochemical Constraints on Potential UOC Chondrule Genesis by Hypervelocity Impact Vapor Plumes and Likely Precursor Sources
Sheikh D., Humayun M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1279 PDF “Most UOC chondrules analyzed exhibit Ce, and Eu anomalies, implying a chondrule forming process that began oxidized but went reducing, consistent…
High Precision Al-Mg Chronology of Chondrules in Unequilibrated Ordinary Chondrites
Siron G., Kita N. T., Fukuda K., Kimura M., 52nd Lunar and Planetary Science Conference (2021), Abstract #1639 PDF “New analyses of UOC chondrules with a range of mesostasis compositions indicate a restrict range of…
In Situ Constraints on the 60Fe Abundance in the Early Solar System
Kodolányi J., Hoppe P., Vollmer C. 52nd Lunar and Planetary Science Conference (2021), Abstract #1291 PDF “New NanoSIMS analyses of old chondrules (Al-Mg age: 1-2 million years after canonical CAIs) do not find significant in…
Analysis of the Solar Proton Effects in the Stubenberg and Jesenice Chondrites
Ustinova G. K. 52nd Lunar and Planetary Science Conference (2021), Abstract #1310 PDF “The solar cosmic ray contributions to production of cosmogenic radionuclides in the near-surface layers of the chondrites of low ablation are estimated….
Organic Compounds in Mahadevpur H4/5 and Natun Balijan L4 Ordinary Chondrites by Raman Spectroscopy
Saikia B. J., Parthasarathy G., Borah R. R. 52nd Lunar and Planetary Science Conference (2021), Abstract #1853 PDF “Herein we identify organic trace in Mahadevpur H4/5 and Natun Balijan L4 ordinary chondrites by Raman Spectroscopy.”
Resolving the Contradictory Results for Chondrule Size Distributions When These are Empirically Determined and Theoretically Considered
Hezel D. C., Metzler K., Hochstein M. L. 52nd Lunar and Planetary Science Conference (2021), Abstract #2264 PDF “Chondrule size distributions are critical to understand chondrule formation, sorting, or fragmentation. We resolve a long-standing contradiction…
Studying the Main Mineralogy and Shock of the Bolivian H5 Chondrite Aiquile
J. Ibáñez-Insa, Trigo-Rodriguez J. M., Peña-Asensio E., Rimola A. 52nd Lunar and Planetary Science Conference (2021), Abstract #1385 PDF “A XRD study of the main mineral phases of Aiquile H5 chondrite is presented. SEM-EDX results…
Cosmogenic Radionuclides in Four Paired Antarctic L/LL Chondrites Indicate Similar Cosmic-Ray Exposure Age as Chelyabinsk LL Chondrite
K. C. Welten, Nishiizumi K., Caffee M. W. 52nd Lunar and Planetary Science Conference (2021), Abstract #1821 PDF “Cosmogenic radionuclides in 4 L/LL chondrites from Wisconsin Range, Antarctica indicate they are paired fragments. Their CRE…
Bubbles to Chondrites-II. Chemical fractionations in chondritesOPEN ACCESS
Akihiko Hashimoto & Yuki Nakano Progress in Earth and Planetary Science volume 8, Article number: 9 (2021) LINK (OPEN ACCESS)PDF (DOWNLOAD) “We attempt to develop a possible theory of chemical fractionations in chondrites, that is…
Cohesion of regolith: Measurements of meteorite powdersOPEN ACCESS
Yuuya Nagaashi, Takanobu Aoki, Akiko M. Nakamura Accepted for publication in Icarus PDF (OPEN ACCESS) Update (6 February 2021): LINK “The cohesion of particles has a significant effect on the properties of small bodies. In…
In-situ visualization of dynamic fracture and fragmentation of an L-type ordinary chondrite by combined synchrotron X-ray radiography and microtomography
Lukasz Farbaniec, David J. Chapman, Jack R.W. Patten, Liam C. Smith, James D. Hogan, Alexander Rack, Daniel E. Eakins IcarusIn Press, Journal Pre-proof, Available online 26 January 2021 LINK “Highlights • Dynamic mechanical properties of…
Salt – A critical material to consider when exploring the solar system
M.R.M. Izawa, P.L. King, P. Vernazza, J.A. Berger, W.A. McCutcheon IcarusAvailable online 20 January 2021 LINK “Highlights • Mid-IR spectra of mixtures of salt and E, C, and O chondrites are reported.• Intimate mixtures of…
Study of Bursa L6 ordinary chondrite by X‐ray diffraction, magnetization measurements, and Mössbauer spectroscopy
Alevtina A. Maksimova, Evgeniya V. Petrova, Andrey V. Chukin, Ozan Unsalan, Ábel Szabó, Zoltán Dankházi, Israel Felner, Dmitry A. Zamyatin, Ernő Kuzmann, Zoltán Homonnay, Michael I. Oshtrakh Meteoritics & Planetary ScienceVersion of Record online: 20…
Iron‐rich olivine in the unequilibrated ordinary chondrite, MET 00526: Earliest stages of formation
Elena Dobrică, Adrian J. Brearley Meteoritics & Planetary ScienceVersion of Record online: 12 January 2021 LINK “In order to understand the effects of the earliest stages of hydrothermal alteration and fluid‐assisted metamorphism on the matrices…
The effects of terrestrial weathering on samarium‑neodymium isotopic composition of ordinary chondrites
Hamed Pourkhori, Vinciane Debaille, Rosalind M.G. Armytage, Matthias van Ginneken, Pierre Rochette, Jérôme Gattacceca Chemical GeologyAvailable online 4 January 2021 LINK “Following their fall to Earth, meteorites experience weathering. In this systematic study, we evaluate…
Thermal emission measurements of ordinary chondrite mineral analogs in a simulated asteroid environment: 2. Representative mineral mixtures
Michael S. Bramble, Ralph E. Milliken, William R. Patterson IcarusIn Press, Journal Pre-proof, Available online 8 December 2020 LINK “Highlights • The thermal emission of mineral mixtures was analyzed in a simulated asteroid environment.• The…
Trace Element Composition of Silicate Minerals in the Chondrules and Matrix of the Buschhof Meteorite
K. G. Sukhanova, S. G. Skublov, O. L. Galankina, E. V. Obolonskaya & E. L. Kotova Geochemistry International, Volume 58, pages 1321–1330 (2020) LINK “The paper presents results of SIMS and SEM-EDS studies of the…
Titanium isotope fractionation in solar system materials
Niel H. Williams, Manuela A. Fehr, Ian J. Parkinson, Maximilian B. Mandl, Maria Schönbächler Chemical GeologyIn Press, Journal Pre-proof, Available online 1 December 2020, 120009 LINK “Highlights • Nebular processes produce limited Ti isotope fractionation…
Cavezzo, the first Italian meteorite recovered by the PRISMA fireball network. Orbit, trajectory, and strewn-fieldOPEN ACCESS
D Gardiol, D Barghini, A Buzzoni, A Carbognani, M Di Carlo, M Di Martino, C Knapic, E Londero, G Pratesi, S Rasetti, W Riva, R Salerno, G M Stirpe, G B Valsecchi, C A Volpicelli,…
Biconical reflectance, micro‐Raman, and nano‐FTIR spectroscopy of the Didim (H3‐5) meteorite: Chemical content and molecular variations
M. Yesiltas, M. Kaya, T. D. Glotch, R. Brunetto, A. Maturilli, J. Helbert, M. E. Ozel Meteoritics & Planetary ScienceVersion of Record online: 24 November 2020 LINK “The Didim meteorite contains multiple lithologies and clasts…
The NC-CC Isotope Dichotomy: Implications for the Chemical and Isotopic Evolution of the Early Solar System
Katherine R. Bermingham, Evelyn Füri, Katharina Lodders & Bernard Marty Space Science Reviews, Volume 216, Article number: 133 (2020) LINK “Understanding the formation of our planetary system requires identification of the materials from which it…
Bjurböle L/LL4 ordinary chondrite properties studied by raman spectroscopy, x-ray diffraction, magnetization measurements and mössbauer spectroscopy
A. A. Maksimova, E. V. Petrova, A.V. Chukin, B.A. Nogueira, R. Fausto, Á. Szabó, Z. Dankházi, I. Felner, M. Gritsevich, T.Kohout, E. Kuzmann, Z. Homonnay, M. I. Oshtrakh Spectrochimica Acta Part A: Molecular and Biomolecular…
Isotopic Composition of Noble Gases, Nitrogen, and Carbon in the Ozerki New L Chondrite
E. V. Korochantseva, A. B. Verchovsky, A. I. Buikin, K. A. Lorents & A. V. Korochantsev Geochemistry International, Volume 58, pages 1239–1256(2020) LINK “The isotopic composition of noble gases, nitrogen, and carbon in two samples…
New constraints from 26Al-26Mg chronology of anorthite bearing chondrules in unequilibrated ordinary chondrites
Guillaume Siron, Kohei Fukuda, Makoto Kimura, Noriko T. Kita Geochimica et Cosmochimica ActaIn press, journal pre-proof, Available online 1 November 2020 LINK “26Al-26Mg ages were determined for 14 anorthite-bearing chondrules from five different unequilibrated ordinary…
The fall, recovery, classification, and initial characterization of the Hamburg, Michigan H4 chondriteOPEN ACCESS
Philipp R. Heck, Jennika Greer, Joseph S. Boesenberg, Audrey Bouvier, Marc W. Caffee, William S. Cassata, Catherine Corrigan, Andrew M. Davis, Donald W. Davis, Marc Fries, Mike Hankey, Peter Jenniskens, Philippe Schmitt‐Kopplin, Shannon Sheu, Reto…
Potassium isotope anomalies in meteorites inherited from the protosolar molecular cloudOPEN ACCESS
Y. Ku, S. B. Jacobsen Science Advances 09 Oct 2020:Vol. 6, no. 41, eabd0511 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Potassium (K) and other moderately volatile elements are depleted in many solar system bodies relative to…
The petrochemical constraint and cosmogenic records of Mahadeva (H5/6) chondrite: a new fall in India
Dipak K. Panda, Dwijesh Ray, Anil D. Shukla Planetary and Space ScienceIn press, journal pre-proof, Available online 6 October 2020 LINK “Highlights Mahadeva Meteorite fell as a new single piece on July 22, 2019 in…
Oxygen and carbon stable isotope composition of the weathering Mg‐carbonates formed on the surface of the LEW 85320 ordinary chondrite: Revisited
Mohammed I. El‐Shenawy, Paul B. Niles, Doug W. Ming, Rick Socki, Kevin Righter Meteoritics & Planetary ScienceFirst Published: 26 September 2020 LINK “New δ13C and δ18O values were measured to constrain the formation mechanisms of…
Rocklines as Cradles for Refractory Solids in the Protosolar Nebula
Artyom Aguichine, Olivier Mousis, Bertrand Devouard, Thomas Ronnet The Astrophysical Journal, Volume 901, Number 2Published 2020 September 25 LINK “In our solar system, terrestrial planets and meteoritical matter exhibit various bulk compositions. To understand this…
The Kumtag Meteorite Strewn FieldOPEN ACCESS
Ke Du, Shijie Li, Ingo Leya, Thomas Smith, Dongliang Zhang, Peng Wang This preprint is under consideration at Earth, Planets and SpacePosted 24 Sep, 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Update (24 February 2021): LINK…
Copper in ordinary chondrites: Proxies for resource potential of asteroids and constraints for minimum-invasive and economically efficient exploitationOPEN ACCESS
Katarzyna Łuszczek, Agata M. Krzesińska Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 22 September 2020 LINK (OPEN ACCESS) “Highlights • S-type asteroids contain 70-100 ppm Cu, in FeNi-alloy and native-Cu mineral.• Native copper…
Early evolution of the solar accretion disk inferred from Cr-Ti-O isotopes in individual chondrulesOPEN ACCESS
Jonas M. Schneider, Christoph Burkhardt, Yves Marrocchi, Gregory A. Brennecka, Thorsten Kleine Submitted to EPSL on Jan 29 2020, accepted in revised form Sep. 12 2020 PDF (OPEN ACCESS) Erratum to “Early evolution of the…
Evidence for early fragmentation-reassembly of ordinary chondrite (H, L, and LL) parent bodies from REE-in-two-pyroxene thermometry
Michael P. Lucas, Nick Dygert, Jialong Ren, Marc A. Hesse, Nathaniel R. Miller, Harry Y. McSween Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 17 September 2020 LINK “Ordinary chondrites (OCs) are variably thermally…
Laser microprobe noble gases and nitrogen analysis of chondrules from the Dhajala chondrite
Ramakant R. Mahajan Meteoritics & Planetary ScienceVersion of Record online:08 September 2020 LINK “Noble gases and nitrogen are investigated in eight individual chondrules of the Dhajala H3.8 chondrite. The mean cosmic ray exposure age of…
OSLO (H3-6, 2012) and VALLE (H5, 2013) finally approved
On 5 September 2020 the Norwegian meteorites OSLO (2012, H3-6) and VALLE (2013, H5) have finally been registered as probable and possible falls in the Meteoritical Bulletin database. The first Oslo specimen (Rodeløkka). Photo: Terje…
Laboratory examination of the physical properties of ordinary chondrites
D. Ostrowski, K. Bryson Meteoritics & Planetary ScienceVersion of Record online: 04 September 2020 LINK “Meteorites provide vast amounts of information on the makeup and history of the solar system. The physical properties help to…
Organic contamination on the surface of meteorites as a function of space and time: A case study of the Buzzard Coulee H4 chondrite
Libby D. Tunney, Christopher D. K. Herd, Robert W. Hilts Meteoritics & Planetary ScienceVersion of Record online:28 August 2020 LINK “The study of organic compounds in astromaterials represents a unique window into organic matter in…
The Piancaldoli meteorite: A forgotten primitive LL3.10 ordinary chondrite
Yves Marrocchi, Lydie Bonal, Jérome Gattacceca, Laurette Piani, Pierre Beck, Richard Greenwood, Jolantha Eschrig, Anne Basque, Pasquale Mario Nuccio, Franco Foresta Martin Meteoritics & Planetary ScienceVersion of Record online:24 August 2020 LINK “The Piancaldoli ordinary…
Parauapebas meteorite from Pará, Brazil, a “hammer” breccia chondriteOPEN ACCESS
Daniel Atencio, Dorília Cunha, André Luiz Ribeiro Moutinho, Maria Elizabeth Zucolotto, Amanda Araujo Tosi, Caio Vidaurre Nassif Villaça Brazilian Journal of GeologyVol. 50, no.3 LINK (OPEN ACCESS) “The Parauapebas meteorite, third official meteorite discovered in…
Secondary Ion Mass Spectrometry as an advanced tool for meteorite classification
Justina Novakova, Monika Jerigova, Eduard Jane, Vojtech Szoecs, Dusan Velic Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 7 August 2020 LINK “Highlights • Secondary Ion Mass Spectrometry proves to be a competitive technique…
Spectral reflectance analysis of type 3 carbonaceous chondrites and search for their asteroidal parent bodies
J. Eschrig, L. Bonal, P. Beck, T.J. Prestgard IcarusIn Press, Journal Pre-proof, Available online 7 August 2020 LINK “Non-differentiated asteroids are among the most primitive objects in our Solar System, having escaped intense heating mechanisms….
Aqueous alteration without initial water: Possibility of organic-induced hydration of anhydrous silicates in meteorite parent bodiesOPEN ACCESS
Naoki Hirakawa, Yoko Kebukawa, Yoshihiro Furukawa, Masashi Kondo, Kensei Kobayashi Earth, Planets and Space, preprint, under review Update (11 January 2021): LINK (OPEN ACCESS) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Early evolution of Solar System small…
The First Russian-Mongolian Meteorite Expedition to the Gobi Desert
Aleksander Yu. Pastukhovich, S. Demberel, Viktor I. Grokhovsky, Viktor V. Sharygin, Stepan V. Berzin, Kseniya A. Dugushkina, Mikhail Yu. Larionov, Lev A. Muravyev, T. Nasan-Ochir, Evgeniya V. Petrova, Grigoriy A. Yakovlev Minerals: Structure, Properties, Methods…
Phase and Elemental Analysis of Marsa Alam 009 Ordinary Chondrite
Svetlana S. Hontsova, Elena M. Maksimova, Igor A. Nauhatsky Minerals: Structure, Properties, Methods of Investigation. pp 73-78, Conference paper LINK “The phase and elemental composition of Marsa Alam 009 ordinary chondrite is investigated. The mineral…
Preliminary Study of Composition and Mechanical Properties of the NWA 12370 Meteorite
Andrey Kocherov, Sergey Voropaev, Alexander Korochantsev, Ilmir Nugmanov Minerals: Structure, Properties, Methods of Investigation. pp 119-124, Conference paper LINK “In this paper, new NWA 12370 meteorite is described using the geochemical methods including its compositional…
‘Forrest’ (18 November 2019) and Madura Cave (L5, 19 June 2020) – Meteorites of two falls found on the Nullarbor Plain, Western Australia
Last update: 17 January 2021 Curtin University press release (30 July 2020) The Desert Fireball Network (30 July 2020) ‘Forrest’ (prov.), Fall on 18 November 2019 The ~ 300-gram Forrest (prov.) meteorite (most likely an…
Potassium isotope systematics of the LL4 chondrite Hamlet: Implications for chondrule formation and alteration
Piers Koefoed, Olga Pravdivtseva, Heng Chen, Carina Gerritzen, Maxwell M. Thiemens, Kun Wang Meteoritics & Planetary ScienceVersion of Record online:27 July 2020 LINK “Here, we apply recently developed high‐precision K isotope analyses to individual components…
The noble gases in five ordinary chondrites from Grove Mountains in Antarctica
Ying Wang, Huaiyu He, Ingo Leya, P.M. Ranjith, Fei Su, P.C. Stephenson, Chuantong Zhang, Dewen Zhenge Planetary and Space ScienceAvailable online 26 July 2020, 105045 LINK “Highlights • Two Antarctic L chondrites GRV023149 and GRV052243…
Noble gases and nitrogen in metal from the ordinary chondrites Katol (L6), Itawa Bhopji (L3-5) and Portales Valley (H6)
Ramakant R. Mahajan Astrophysics and Space Science, Volume 365, Article number: 130 (2020) LINK “This is the first report of coupled noble gases (He, Ne, Ar, Kr and Xe) and nitrogen isotopic results in metal…
Characterization of Kemer L4 meteorite using Raman spectroscopy, X-ray diffraction, magnetization measurements and Mössbauer spectroscopy
A. A. Maksimova, E. V. Petrova, A. V. Chukin, M. S. Karabanalov, B.A. Nogueira, R. Fausto, M. Yesiltas, I. Felner, M. I. Oshtrakh Spectrochimica Acta Part A: Molecular and Biomolecular SpectroscopyAvailable online 20 July 2020,…
Absolute dating of the L-chondrite parent body breakup with high-precision U–Pb zircon geochronology from Ordovician limestone
Shi Yong Liao, Magdalena H. Huyskens, Qing-Zhu Yin, Birger Schmitz Earth and Planetary Science LettersVolume 547, 1 October 2020, 116442 LINK “Highlights • High-precision dates for events in the asteroid belt can be derived from…
Exposure Ages, Noble Gases and Nitrogen in the Ordinary Chondrite Karimati (L5)
Ramakant R. Mahajan Earth, Moon, and Planets (2020) LINK “Noble gas and nitrogen isotopic compositions of Karimati ordinary (L5) chondrite are presented. Aliquots of the meteorite were studied in two noble gas mass spectrometers. Its…
Investigation of the Ozerki meteoroid parameters
Anna Kartashova, Alexander Golubaev, Alona Mozgova, Ivan Chuvashov, Galina Bolgova, Dmitry Glazachev, Vladimir Efremov Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 12 July 2020 LINK “Highlights • The method of the determination of…
Murrili meteorite’s fall and recovery from Kati ThandaOPEN ACCESS
E. K. Sansom, P. A. Bland, M. C. Towner, H. A. R. D. Devillepoix, M. Cupak, R. M. Howie, T. Jansen-Sturgeon, M. A. Cox, B. A. D. Hartig, J. P. Paxman, G. Benedix, L. V….
Two Strengths of Ordinary Chondritic Meteoroids as Derived from their Atmospheric Fragmentation ModelingOPEN ACCESS
Jiří Borovička, Pavel Spurný, Lukáš Shrbený Accepted for publication in AJ PDF (OPEN ACCESS) “The internal structure and strength of small asteroids and large meteoroids is poorly known. Observation of bright fireballs in the Earth’s…
An unusual compound object in Yamato 793408 (H3.2‐an): The missing link between compound chondrules and macrochondrules?OPEN ACCESS
Jens Barosch, Dominik C. Hezel, Yves Marrocchi, Andrey Gurenko, Christoph Lenting Meteoritics & Planetary ScienceVersion of Record online:05 June 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We found a large (~2 mm) compound object in the…
Confirmed meteorite fall (~ 15.152 kg, H5, S2) on 22 July 2019 near Kauriahī (कौरिअही) village, Mahādēvā (महादेवा) village area, Kariot panchayat, Laukahī (लौकही) Block, Madhubanī District, Bihar, India at ~2:30 p.m. IST (~09:30 UTC)
The meteorite in Patna on 23 July 2019. Photo: Bihar Post Last update: 1 June 2020 On 22 Juli 2019 at around ~09:30 UTC (~2.30 p.m. IST) a meteorite of about 15.152 kg (H5, S2,…
Advances in Cosmochemistry Enabled by Antarctic MeteoritesOPEN ACCESS
Meenakshi Wadhwa, Timothy J. McCoy, and Devin L. Schrader Annual Review of Earth and Planetary Sciences Vol. 48:233-258 (Volume publication date May 2020)First published as a Review in Advance on January 8, 2020 LINK (OPEN…
Role of spectral resolution for infrared asteroid compositional analysis using meteorite spectraOPEN ACCESS
A. Skulteti, A. Kereszturi, Zs. Kereszty, B. Pal, M. Szabo, F. Cipriani Accepted in MNRAS for publication on May 22nd, 2020 PDF (OPEN ACCESS) “In this work the potential mineral identification of meteorites is analysed…
Outward migration of chondrule fragments in the Early Solar System: O-isotopic evidence for rocky material crossing the Jupiter Gap?
Devin L. Schrader, Kazuhide Nagashima, Jemma Davidson, Timothy J. McCoy, Ryan C. Ogliore, Roger R. Fu Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 May 2020 LINK “Determining the origins of chondrule precursors…
New measurement technique for characterizing small extraterrestrial materials by X‐ray diffraction using the Gandolfi attachment
Naoya Imae, Makoto Kimura Meteoritics & Planetary ScienceVersion of Record online: 21 May 2020 LINK “Identification and characterization of small extraterrestrial samples, such as small Antarctic meteorites <~1 cm, require the development of convenient laboratory‐based…
Oxygen-isotope heterogeneity in the Northwest Africa 3358 (H3.1) refractory inclusions – Fluid-assisted isotopic exchange on the H-chondrite parent body
Samuel Ebert, Kazuhide Nagashima, Alexander N. Krot, Addi Bischoff Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 21 May 2020 LINK “The nature of oxygen-isotope heterogeneity in refractory inclusions [Ca,Al-rich inclusions (CAIs) and amoeboid…
Monitoring of Spatiotemporal Variations in the Production Rates of Cosmogenic Radionuclides in Chondrites of Different Orbits Falling to Earth
G. K. Ustinova & V. A. Alexeev Geochemistry International, Volume 58, pages 487–499 (2020) LINK “The paper presents data obtained on the production rates of cosmogenic radionuclides of different half-life in 42 chondrites that fell…
Strengths of meteorites—An overview and analysis of available data
Leos Pohl, Daniel T. Britt Meteoritics & Planetary ScienceVersion of Record online:07 May 2020 LINK “We report all available measurements on strength of meteorites, primarily focusing on compressive and tensile strengths and supplementary data such…
Sectioning effects of porphyritic chondrules: Implications for the PP/POP/PO classification and correcting modal abundances of mineralogically zoned chondrulesOPEN ACCESS
Jens Barosch, Dominik C. Hezel, Lena Sawatzki, Lucia Halbauer, Yves Marrocchi Meteoritics & Planetary Science LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mineralogically zoned chondrules are a common chondrule type in chondrites. They consist of olivine cores,…
Early Impact Events on Chondritic Parent Bodies: Insights From NWA 11004, Reclassified as an LL7 Breccia
Y. Li, A. E. Rubin, W. Hsu, K. Ziegler JGR: Planets LINK “The NWA 11004 ordinary chondrite (OC) can provide insights into the complex petrogenetic processes of the early solar system. Although originally classified as…
Dynamic evolution of major element chemistry in protoplanetary disks and its implications for chondrite formationOPEN ACCESS
Yoshinori Miyazaki, Jun Korenaga PDF (OPEN ACCESS) “Chondrites are the likely building blocks of Earth, and identifying the group of chondrite that best represents Earth is a key to resolving the state of the early…
GATUTO meteorite fall (L6, S2, ~ 25 kg) 24 April 2020 ~ 8.27 p.m. (5.27 p.m. UTC) Kombuini, Kimicha and Gatuto villages, Kirinyaga County, Kenya
Last update: 4 July 2020 A meteorite (~ 200 grams, L6) is reported to have fallen through the roof of Mary Wamburu’s home and shattered on the concrete floor below. Mrs Wamburu was preparing supper…
Hypervelocity cratering and disruption of the Northwest Africa 4502 carbonaceous chondrite meteorite: Implications for crater production, catastrophic disruption, momentum transfer and dust production on asteroids
George J. Flynn, Daniel D. Durda, Mason J. Molesky, Brian A. May, Spenser N. Congram, Colleen L. Loftus, Jacob R. Reagan, Melissa M. Strait, Robert J. Macke Planetary and Space ScienceIn Press, Journal Pre-proof, Available…
Accretion of a large LL parent planetesimal from a recently formed chondrule populationOPEN ACCESS
Graham H. Edwards and Terrence Blackburn Science Advances 15 Apr 2020:Vol. 6, no. 16, eaay8641DOI: 10.1126/sciadv.aay8641 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chondritic meteorites, derived from asteroidal parent bodies and composed of millimeter-sized chondrules, record the…
A review of the chondrite–achondrite transition, and a metamorphic facies series for equilibrated primitive stony meteorites
Andrew G. Tomkins, Tim E. Johnson, Jennifer T. Mitchell Meteoritics & Planetary ScienceFirst Published: 13 April 2020 LINK “Here, the petrological features of numerous primitive achondrites and highly equilibrated chondrites are evaluated to review and…
Study of the Composition of Aba Panu (L3) Meteorite Degassing Products
A. V. Stennikov, V. S. Fedulov, S. G. Naimushin, N. V. Dushenko & S. A. Voropaev Solar System Research, Volume 54, pages 150–154 (2020) LINK “The study of the degassing of primitive cosmic matter (in…
Potassium Isotope Compositions of Carbonaceous and Ordinary Chondrites: Implications on the Origin of Volatile Depletion in the Early Solar SystemOPEN ACCESS
Hannah Bloom, Katharina Lodders, Heng Chen, Chen Zhao,Zhen Tian, Piers Koefoed, Mária K.Pető, Yun Jiang, Kun Wang (王昆) Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 23 March 2020 PDF (OPEN ACCESS) LINK…
Subsolar Al/Si and Mg/Si ratios of non-carbonaceous chondrites reveal planetesimal formation during early condensation in the protoplanetary diskOPEN ACCESS
A. Morbidelli, G. Libourel, H. Palme, S.A. Jacobson, D.C. Rubie Accepted for publication in EPSL PDF (OPEN ACCESS) “The Al/Si and Mg/Si ratios in non-carbonaceous chondrites are lower than the solar (i.e., CI-chondritic) values, in…
Widespread production of silica- and alkali-rich melts at the onset of planetesimal melting
Max Collinet, Timothy L. Grove Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 12 March 2020 LINK “We present the results of melting experiments on a suite of carbonaceous and ordinary chondritic compositions…
Orbit and origin of the LL7 chondrite Dishchii’bikoh (Arizona)
Peter Jenniskens, Nick Moskovitz, Laurence A. J. Garvie, Qing‐Zhu Yin, J. Andreas Howell, Dwayne L. Free, Jim Albers, David Samuels, Marc D. Fries, Prajkta Mane, Daniel R. Dunlap, Karen Ziegler, Matthew E. Sanborn, Qin Zhou,…
Three meteorite finds (720 g, L5, S5) of bolide above Novo Mesto, Lower Carniola, Slovenia at 09:30:34 UT on 28 February 2020
Last update: 3 July 2020 The first meteorite, an ordinary chondrite (L5, S5), was found accidentally by Gregor Kos and his son at location 45°49’00.5″N, 15°06’44.9″E in the village Prečna, near Novo Mesto, Slovenia at…
Amorphous silicates in the matrix of Semarkona: The first evidence for the localized preservation of pristine matrix materials in the most unequilibrated ordinary chondrites
E. Dobrică, A. J. Brearley Meteoritics & Planetary Science LINK “We have investigated the fine‐grained matrix of the least‐altered unequilibrated ordinary chondrite (UOC) Semarkona (LL3.00) using different electron microscope techniques. Unlike previous studies, which found…
Chemical and physical properties of Žďár nad Sázavou L chondrite and porosity differentiation using computed tomography
Dominika Kalasová, Tomáš Zikmund, Pavel Spurný, Jakub Haloda, Jiří Borovička, Jozef Kaiser Meteoritics & Planetary Science LINK “A very bright and long bolide was observed over the eastern part of the Czech Republic during late…
Unique achondrite Northwest Africa 11042: Exploring the melting and breakup of the L chondrite parent bodyOPEN ACCESS
Zoltán Váci, Carl B. Agee, Munir Humayun, Karen Ziegler, Yemane Asmerom, Victor Polyak, Henner Busemann, Daniela Krietsch, Matthew Heizler, Matthew E. Sanborn, Qing‐Zhu Yin Meteoritics & Planetary Science First Published: 2 March 2020 LINK PDF…
In situ analysis of platinum group elements in equilibrated ordinary chondrite kamacite and taenite
Cosette M. Gilmour, Christopher D. K. Herd Meteoritics & Planetary Science First Published: 29 February 2020 LINK “Platinum group element (PGE) concentrations have been determined in situ in ordinary chondrite kamacite and taenite grains via…
Zhob (18.96 kg, H3-4, S2) registered as witnessed fall in Zhob District, Balochistan, Pakistan on 9 January 2020
LINK “Zhob 31°22’N, 69°34’E Baluchistan, Pakistan Confirmed fall: 2020 Jan 9 Classification: Ordinary chondrite (H3-4) History: (Michael Farmer, Arizona) A bright fireball followed by sonic booms was seen and heard around the northern part of…
Elemental composition, mineralogy and orbital parameters of the Porangaba meteorite
Martin Ferus, Lukáš Petera, Jakub Koukal, Libor Lenža, Barbora Drtinová, Jakub Haloda, Dalibor Matýsek, Adam Pastorek, Vojtěch Laitl, Renato Cassio Poltronieri, Marcelo Wagner Domingues, Gabriel Gonçalves, Rodrigo del Olmo Sato, Antonín Knížek, Petr Kubelíka, Anna…
Thermal and porosity properties of meteorites: A compilation of published data and new measurements
A.‐J. Soini, I. T. Kukkonen, T. Kohout, A. Luttinen Meteoritics & Planetary Science First Published: 22 January 2020 LINK “We report direct measurements of thermal diffusivity and conductivity at room temperature for 38 meteorite samples…
Data‐driven taxonomy matching of asteroid and meteorite
Yuki Saito, Peng K. Hong, Takafumi Niihara, Hideaki Miyamoto, Kenji Fukumizu Meteoritics & Planetary Science First Published: 19 January 2020 LINK “The matching of asteroids and meteorites is a significant step toward a better understanding…
Heterogeneous accretion of Earth inferred from Mo-Ru isotope systematicsOPEN ACCESS
Timo Hopp, Gerrit Budde, Thorsten Kleine Earth and Planetary Science Letters (17 January 2020) PDF (OPEN ACCESS) LINK (OPEN ACCESS) “The Mo and Ru isotopic compositions of meteorites and the bulk silicate Earth (BSE) hold…
The partitioning of the inner and outer Solar System by a structured protoplanetary disk
R. Brasser & S. J. Mojzsis Nature Astronomy (2020) Published: 13 January 2020 LINK “Mass-independent isotopic anomalies define two cosmochemically distinct regions: the carbonaceous and non-carbonaceous meteorites, implying that the non-carbonaceous (terrestrial) and carbonaceous (Jovian)…
CAVEZZO – Meteorite fragments (L5-an, S2, 55.3 grams) found near Ponte Motta (Cavezzo) / Fall on 1 January 2020, 18:26:52.9-58.5 UT, Rovereto sul Secchia, Modena, Emilia-Romagna, Italy
Last update: 23 June 2021 The ordinary chondrite (L5-an) meteorite fragments were found by 48-year old warehouseman and cyclist Davide Gaddi from Mirandola in the grass next to a path on the bank of the…
The Žďár nad Sázavou meteorite fall: Fireball trajectory, photometry, dynamics, fragmentation, orbit, and meteorite recoveryOPEN ACCESS
Pavel Spurný, Jiří Borovička, Lukáš Shrbený Accepted to Meteoritics and Planetary Science, December 13, 2019 PDF (OPEN ACCESS) LINK (updated 10 February 2020) “We report a comprehensive analysis of the instrumentally observed meteorite fall Žďár…
Characterization of the matrix and fusion crust of the recent meteorite fall Ozerki L6
A. A. Maksimova, E. V. Petrova, A. V. Chukin, M. S. Karabanalov, I. Felner, M. Gritsevich, M. I. Oshtrakh First published: 25 December 2019 LINK “We studied the interior and the fusion crust of the…
Radionuclide activities in recent chondrite falls determined by gamma‐ray spectrometry: Implications for terrestrial age estimates
Åke V. Rosén, Beda A. Hofmann, Moritz von Sivers, Marc Schumann Meteoritics & Planetary Science First Published: 19 December 2019 LINK “Radionuclide activities were measured in the low‐background gamma‐ray spectrometry facility GeMSE in eight meteorite…
Wangdaodeite, the LiNbO3‐structured high‐pressure polymorph of ilmenite, a new mineral from the Suizhou L6 chondrite
Xiande Xie, Xiangping Gu, Hexiong Yang, Ming Chen, Kai Li Meteoritics & Planetary Science First Published: 19 December 2019 LINK “Wangdaodeite, the shock‐induced lithium niobate–structured polymorph of ilmenite, was found in the Suizhou L6 chondrite….
Characterization of a newly fallen Nigerian meteorite
Abbasher Gismelssed, Olugbenga Okunlola, Ahmed Al-Rawas, Ali Yousif, Matthew Oyedokun, Jacob Adetunji, Hisham Widatallah, Mohamed Elzai Hyperfine Interactions December 2020, 241:22 LINK “X-ray diffraction (XRD), Fields Emission Scanning Electron Microscope (FE-SEM) with EDS and Mössbauer…
Application of Mössbauer spectroscopy for classification of ordinary chondrites – different database and different methodsOPEN ACCESS
Jolanta Gałązka-Friedman, Marek Woźniak, Patrycja Bogusz, Martyna Jakubowska, Łukasz Karwowski & Przemysław Duda Hyperfine Interactions, Volume 241, article number: 20 (2019) First Published: 17 December 2019 LINK PDF (OPEN ACCESS) “Classification of the meteorites is…
