Pb‐Pb ages and initial Pb isotopic composition of lunar meteorites: NWA 773 clan, NWA 4734, and Dhofar 287OPEN ACCESS
R. E. Merle, A. A. Nemchin, M. J. Whitehouse, J. F. Snape, G. G. Kenny, J. J. Bellucci, J. N. Connelly, M. Bizzarro Meteoritics & Planetary ScienceVersion of Record online: 04 August 2020 LINK (OPEN…
Kinetics in thermal evolution of Raman spectra of chondritic organic matter to evaluate thermal history of their parent bodies
Kento Kiryu, Yoko Kebukawa, Motoko Igisu, Takazo Shibuya, Michael E. Zolensky, Kensei Kobayashi Meteoritics & Planetary ScienceVersion of Record online:04 August 2020 LINK “In order to establish kinetic expressions for Raman spectroscopic parameters of organic…
Genetics, Age and Crystallization History of Group IIC Iron Meteorites
Hope A. Tornabene, Connor D. Hilton, Katherine R. Bermingham, Richard D. Ash, Richard J. Walker Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 3 August 2020 LINK “The eight iron meteorites currently classified as…
Heavy iron isotope composition of iron meteorites explained by core crystallization
Peng Ni, Nancy L. Chabot, Caillin J. Ryan & Anat Shahar Nature Geoscience , 1–5Published: 03 August 2020 LINK “Similar to Earth, many large planetesimals in the Solar System experienced planetary-scale processes such as accretion,…
KOLANG meteorite fall (CM1/2, ~2.75 kg) in Sitahan Barat, Pasar Onan Hurlang, and Satahi Nauli area, Kolang, Central Tapanuli Regency (Tapanuli Tengah), North Sumatra (Sumatra Utara), Indonesia at ~ 16.40 WIB (9.40 a.m. UTC) on 1 August 2020
Last update: 6 March 2021 A rare meteorite, the most aqueously altered witnessed CM fall (CM1/2) so far, weighing ~2.4 kilograms fell through the zinc roof of 33-year old coffin-maker Josua Hutagalung’s house in the…
Sierra Gorda 009: A new member of the metal‐rich G chondrites grouplet
Marina A. Ivanova, Cyril A. Lorenz, Munir Humayun, Catherine M. Corrigan, Thomas Ludwig, Mario Trieloff, Kevin Righter, Ian A. Franchi, Alexander B. Verchovsky, Ekaterina V. Korochantseva, Vladimir V. Kozlov, Svetlana N. Teplyakova, Alexander V. Korochantsev,…
Are quasicrystals really so rare in the Universe?
Luca Bindi, Vladimir E. Dmitrienko, Paul J. Steinhardt American Mineralogist, Volume 105, Number 8, 1121–11251 August 2020 LINK “Until 2009, the only known quasicrystals were synthetic, formed in the laboratory under highly controlled conditions. Conceivably,…
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…
A Special Role of Spectrophotometry in the Study of Asteroids and Meteorite Analogs
Vladimir V. Busarev, Andrey M. Sobolev, Victor I. Grohovsky, Nikolai A. Kruglikov Minerals: Structure, Properties, Methods of Investigation. pp 43-52, Conference paper LINK “The significance of spectrophotometry among other optical methods for the assessment of…
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…
The Nature of the Enstatite Rim in Refractory Forsterite-Rich Inclusions: An EBSD Study
Kseniya A. Dugushkina, Stepan V. Berzin, Dmitry A. Zamyatin Minerals: Structure, Properties, Methods of Investigation. pp 59-63, Conference paper LINK “Refractory forsterite-rich inclusions are a common component for different classes of chondrites. They belong to…
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…
Historical List of Harmful Meteorites
Lev A. Muravyev, Viktor I. Grokhovsky Minerals: Structure, Properties, Methods of Investigation pp 147-159, Conference paper LINK “As is known, the possibility of stones falling from the sky was completely confirmed by scientists only in…
Influence of Seymchan Meteorite Structure on the Growth and Properties of Carbon Nanotubes
Anastasia S. Begunova, Grigoriy A. Yakovlev, Robert V. Kamalov, Elizaveta A. Pankrushina, Victor I. Grokhovsky Minerals: Structure, Properties, Methods of Investigation pp 27-35, Conference paper LINK “Carbon nanotubes (CNTs) were synthesized by chemical vapor deposition…
Early accretion of planetesimals unraveled by the thermal evolution of the parent bodies of magmatic iron meteorites
Edouard Kaminski, Angela Limare, Balthasar Kenda, Marc Chaussidon Earth and Planetary Science LettersVolume 548, 15 October 2020, 116469 LINK “Highlights • Hf/W ages of magmatic iron meteorites define a common thermal evolution.• We propose a…
PULI ILKARINGURU meeteorite fall (H5, 18 November 2019) on the Nullarbor Plain, Western Australia
Last update: 30 May 2023 Curtin University press release (30 July 2020) The Desert Fireball Network (30 July 2020) Puli Ilkaringuru, Fall on 18 November 2019 On 29 May 2023 the meteorite fall was added…
Volatile Sample Return in the Solar SystemOPEN ACCESS
Stefanie N. Milam, Jason P. Dworkin, Jamie E. Elsila, Daniel P. Glavin, Perry A. Gerakines, Julie L. Mitchell, Keiko Nakamura-Messenger, Marc Neveu, Larry Nittler, James Parker, Elisa Quintana, Scott A. Sandford, Joshua E. Schlieder, Rhonda…
Origin of Large Meteoritic SiC Stardust Grains in Metal-rich AGB Stars
Maria Lugaro, Borbála Cseh, Blanka Világos, Amanda I. Karakas, Paolo Ventura, Flavia Dell’Agli, Reto Trappitsch, Melanie Hampel, Valentina D’Orazi, Claudio B. Pereira, Giuseppe Tagliente, Gyula M. Szabó, Marco Pignatari, Umberto Battino, Ashley Tattersall, Mattias Ek,…
CV chondrites: More than one parent body
J. Gattacceca, L. Bonal, C. Sonzogni, J. Longerey Earth and Planetary Science LettersVolume 547, 1 October 2020, 116467First available on 28 July 2020 LINK “Highlights • CV chondrites are classically separated in three subgroups (CVOxA,…
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…
Effect of impact shock on extremophilic Halomonas gomseoemensis EP-3 isolated from hypersaline sulphated lake Laguna de Peña Hueca, Spain
R. Thombre, F. Gomez, R. Parkhe, K. Kaur, P. Vaishampayan, E. Shivakarthik, B. Sivaraman, R.Perumal, N. Mason Planetary and Space ScienceAvailable online 26 July 2020, 105041 LINK “Highlights • First report on effect of shock…
Meteorite evidence for partial differentiation and protracted accretion of planetesimalsOPEN ACCESS
Clara Maurel, James F. J. Bryson, Richard J. Lyons, Matthew R. Ball, Rajesh V. Chopdekar, Andreas Scholl, Fred J. Ciesla, William F. Bottke, Benjamin P. Weiss Science Advances 24 Jul 2020:Vol. 6, no. 30, eaba1303DOI:…
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…
Comparing the reflectivity of ungrouped carbonaceous chondrites with those of short-period comets like 2P/EnckeOPEN ACCESS
Safoura Tanbakouei, Josep M. Trigo-Rodríguez, Jürgen Blum, Iwan Williams, Jordi Llorca Astronomy & Astrophysics, manuscript, 22 July 2020 PDF (OPEN ACCESS) “The existence of asteroid complexes produced by the disruption of these comets suggests that…
Color Cathodoluminescence and minor element zonation of forsterite in Mukundpura chondriteOPEN ACCESS
Shivani BALIYAN, Dwijesh RAY Journal of Mineralogical and Petrological SciencesReleased: July 22, 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mukundpura is a carbonaceous chondrite (CM2) recently fell in Rajasthan, India (June 6, 2017). A typical fine–grained,…
Discovery of coesite from the martian shergottite Northwest Africa 8657
Sen Hu, Yang Li, Lixin Gu, Xu Tang, Ting Zhang, Akira Yamaguchi, Yangting Lin, Hitesh Changela Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 July 2020 LINK “We report occurrences of coesite in…
Characterization of Potential Micrometeorites by Synchrotron AnalysisOPEN ACCESS
Madison Esposito , Kevin Souhrada , Erin Garland , Mary Kroll , Robert Bolen , Victoria Hernandez , Janet Kaczmarek , David Meisel , Anya Swiss , Paul Northrup , Vivian Stojanoff , Juergen Thieme…
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,…
Identifying primitive noble gas components in lunar ferroan anorthositesOPEN ACCESS
J.F. Pernet-Fisher, K.H. Joy, J.D. Gilmour IcarusIn Press, Journal Pre-proof, Available online 16 July 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Highlights • Noble gas isotope systematics of lunar anorthosite reflect a mixture of solar wind…
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…
Closure temperature of the Pd-Ag system and the crystallization and cooling history of IIIAB iron meteorites
M. Matthes, J.A. van Orman, T. Kleine Geochimica et Cosmochimica ActaAvailable online 14 July 2020 LINK “To better constrain the crystallization and cooling history of the IIIAB iron meteorite parent body, we report new 107Pd-107Ag…
The Aguas Zarcas (CM2) meteorite: New insights into early solar system organic chemistry
Sandra Pizzarello, Christopher T. Yarnes, George Cooper Meteoritics & Planetary Science First published: 15 July 2020 LINK “To date, the CM2 class of carbonaceous chondrites has provided the most detailed view of organic synthesis in…
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…
One of the earliest refractory inclusions and its implications for solar system history
Jean-David Bodénan, Natalie A. Starkey, Sara S. Russell, Ian P. Wright, Ian A. Franchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 11 July 2020 LINK “A ∼175 µm refractory inclusion, A-COR-01 from one…
A long-lived magma ocean on a young MoonOPEN ACCESS
M. Maurice, N. Tosi, S. Schwinger, D. Breuer, T. Kleine Science Advances, 10 July 2020:Vol. 6, no. 28, eaba8949DOI: 10.1126/sciadv.aba8949 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “A giant impact onto Earth led to the formation of…
Ureilite meteorites provide a new model of early planetesimal formation and destructionOPEN ACCESS
N. Rai, H. Downes, C. Smith Geochemical Perspectives Letters 14, pp. 20–25 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Ureilite meteorites are ultramafic rocks derived from parts of the depleted silicate mantle of their parent planetesimal. We…
Tardi-magmatic precipitation of Martian Fe/Mg-rich clay minerals via igneous differentiationOPEN ACCESS
J.-C. Viennet, S. Bernard, C. Le Guillou, V. Sautter, P. Schmitt-Kopplin, O. Beyssac, S. Pont, B. Zanda, R. Hewins, L. Remusat Geochemical Perspectives Letters 14, 47–52 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mars is seen as…
The Albedo of Ryugu: Evidence for a High Organic Abundance, as Inferred from the Hayabusa2 Touchdown ManeuverOPEN ACCESS
Christian Potiszil, Ryoji Tanaka, Katsura Kobayashi, Tak Kunihiro, Eizo Nakamura Astrobiology, Vol. 20, No. 7Hypothesis ArticlePublished Online:8 Jul 2020 LINK (OPEN ACCESS) “The Hayabusa2 mission successfully collected samples from the asteroid Ryugu last year and…
Determination of Cu, Zn, Ga, Ag, Cd, In, Sn and Tl in Geological Reference Materials and Chondrites by Isotope Dilution ICP‐MSOPEN ACCESS
Ninja Braukmüller, Frank Wombacher, Alessandro Bragagni, Carsten Münker Geostandards & Geoanalytical ResearchFirst published: 07 July 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mass fractions of Cu, Zn, Ga, Ag, Cd, In, Sn and Tl were determined…
Nanophase iron carbides in fine‐grained rims in CM2 carbonaceous chondrites: Formation of organic material by Fischer–Tropsch catalysis in the solar nebula
Adrian J. Brearley Meteoritics & Planetary ScienceVersion of Record online:07 July 2020 LINK “Transmission electron microscope studies of fine‐grained rims in three CM2 carbonaceous chondrites, Y‐791198, Murchison, and ALH 81002, have revealed the presence of…
26Al-26Mg isotopic, mineralogy, petrography of a Hibonite-Pyroxene Spherule in Allan Hills 77307 (CO3.03): Implications for the origin and evolution of these objectsOPEN ACCESS
Ritesh Kumar Mishra Solar and Stellar Astrophysics PDF (OPEN ACCESS) Substantial text overlap with A Hibonite-Pyroxene Spherule in Allan Hills 77307 (CO3.03): Petrography and Mineralogy “10 Hibonite-pyroxene/glass spherules discovered hitherto are a rare suite of…
Comparison of PGAA and wet chemical analysis for determining major element contents in eucritic meteorites
N. Shirai, T. Hozumi, Y. Toh & M. Ebihara Journal of Radioanalytical and Nuclear Chemistry (2020) LINK “Prompt gamma-ray activation analysis (PGAA) was applied to well homogenized meteorite samples initially prepared for the wet chemical…
Carbonaceous Chondrites and the Condensation of Elements from the Solar Nebula
Hauke Vollstaedt, Klaus Mezger, and Yann Alibert The Astrophysical Journal, Volume 897, Number 1 LINK “Common features of all carbonaceous chondrite groups are invariant refractory element ratios, depletions of moderately volatile elements as a function…
Fumarolic-like activity on carbonaceous chondrite parent bodyOPEN ACCESS
Clément Ganino, Guy Libourel Science Advances, 03 Jul 2020 : eabb1166 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Comparative planetology studies are key for understanding the main processes driving planetary formation and evolution. None have been yet…
IUPAC-IUGS recommendation on the half-lives of 147Sm and 146Sm
IUPAC-IUGS recommendation on the half-lives of 147Sm and 146Sm I.M. Villa, N.E. Holden, A. Possolo, R.B. Ickert, D.B. Hibbert, P.R. Renne Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 30 June 2020 LINK “The…
Combining IR and X‐ray microtomography data sets: Application to Itokawa particles and to Paris meteorite
Zelia Dionnet, Rosario Brunetto, Alice Aléon‐Toppani, Stefano Rubino, Donia Baklouti, Ferenc Borondics, Anne‐Cécile Buellet, Zahia Djouadi, Andrew King, Tomoki Nakamura, Alessandra Rotundi, Christophe Sandt, David Troadec, Akira Tsuchiyama Meteoritics & Planetary ScienceVersion of Record online:30…
Silica‐rich objects in the Acfer 182 CH chondrite: A new view
Maria Eugenia Varela Meteoritics & Planetary ScienceVersion of Record online:30 June 2020 LINK “Five silica‐rich objects (SRO) from Acfer 182 were studied. They have cryptocrystalline textures characterized by micro‐emulsion and amoeboid patterns that point toward…
Xenon systematics of individual lunar zircons, a new window on the history of the lunar surface
Carolyn A. Crow, Sarah A. Crowther, Kevin D. McKeegan, Grenville Turner, Henner Busemann, Jamie D. Gilmour Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 June 2020 LINK “We demonstrate a new way of…
The hydrogen isotopic composition of lunar melt inclusions: An interplay of complex magmatic and secondary processesOPEN ACCESS
A. Stephant, M. Anand, R. Tartèse, X. Zhao, G.Degli-Alessandrini, I.A. Franchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 June 2020 LINK (OPEN ACCESS) “Since the discovery of water (a term collectively used…
Evidence for diverse lunar melt compositions and mixing of the pre-3.9 Ga crust from zircon chemistry
Dustin Trail, Mélanie Barboni, Kevin D. McKeegan Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 27 June 2020 LINK “Lunar samples collected during Apollo missions are typically impact-related breccias or regolith that contain amalgamations…
Search for Nova Presolar Grains: γ-Ray Spectroscopy of 34Ar and its Relevance for the Astrophysical 33Cl(p,γ) Reaction
A. R. L. Kennington, G. Lotay, D. T. Doherty, D. Seweryniak, C. Andreoiu, K. Auranen, M. P. Carpenter, W. N. Catford, C. M. Deibel, K. Hadyńska-Klęk, S. Hallam, D. E. M. Hoff, T. Huang, R. V. F. Janssens, S. Jazrawi, J. José, F. G. Kondev, T….
Caleta el Cobre 022 Martian meteorite: Increasing nakhlite diversityOPEN ACCESS
L. Krämer Ruggiu, J. Gattacceca, B. Devouard, A. Udry, V. Debaille, P. Rochette, J.‐P. Lorand, L. Bonal, P. Beck, V. Sautter, H. Busemann,M. M. M. Meier, C. Maden, G. Hublet, R. Martinez Meteoritics & Planetary…
X‐ray computed tomography: Morphological and porosity characterization of giant Antarctic micrometeorites
Zelia Dionnet, Martin D. Suttle, Andrea Longobardo, Alessandra Rotundi, Luigi Folco, Vincenzo Della Corte, Andrew King Meteoritics & Planetary ScienceVersion of Record online:23 June 2020 LINK “Giant micrometeorites (MMs; 400–2000 µm) are exceedingly rare and…
Amorphous silicates as a record of solar nebular and parent body processes—A transmission electron microscope study of fine‐grained rims and matrix in three Antarctic CR chondritesOPEN ACCESS
Christian Vollmer, Mandy Pelka, Jan Leitner, Arne Janssen Meteoritics & Planetary ScienceVersion of Record online:22 June 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Renazzo‐type (CR) carbonaceous chondrites belong to one of the most pristine meteorite groups…
High‐pressure metamorphic mineralogy of the Martian crust with implications for density and seismic profilesOPEN ACCESS
Julia Semprich, Justin Filiberto Meteoritics & Planetary ScienceVersion of Record online:22 June 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Here, we calculate the mineralogy of the Martian lower crust and upper mantle as a function of…
Extraterrestrial organic compounds and cyanide in the CM2 carbonaceous chondrites Aguas Zarcas and Murchison
José C. Aponte, Hannah L. McLain, Danielle N. Simkus, Jamie E. Elsila, Daniel P. Glavin, Eric T. Parker, Jason P. Dworkin, Dolores H. Hill, Harold C. Connolly, Jr. Dante S. Lauretta Meteoritics & Planetary ScienceVersion…
Julius Obsequens’s book, Liber Prodigiorum : A Roman era record of meteorite falls, fireballs, and other celestial phenomena
Annarita Franza, Giovanni Pratesi Meteoritics & Planetary Science LINK “Julius Obsequens was the pseudonym of a Roman historian presumably living in the 4th century ad , whose life is shrouded in mystery. All that is…
Iron meteorite fall near Sanchore (सांचौर), Jalore, Rajasthan, India on 19 June 2020 at ~ 6.15 a.m. IST (0.45 UT)
Last update: 24 June 2020 Photo: Jaykishan Khanwat The iron meteorite weighing 2788 grams fell (according to our own research) next to Gayatri College MB Road at location ~ 24°44’47.35″N, 71°47’3.78″E, just outside the city…
Meteorite (~ 5 kg) fall in Bimbe (Limbe ?) village, Chitanda chiefdom, Chibombo District, Central Province, Zambia at ~7:00 a.m. CAT (~5:00 UT) on 7 June 2020
Last update: 12 October 2020 A meteorite (~ 5 kg), apparently an ordinary chondrite, fell at around 7 a.m. on 7th June 2020 in Bimbe (Limbe ?) village, in Chitanda Lumamba’s chiefdom in the northwest…
ORIGIN: a novel and compact Laser Desorption – Mass Spectrometry system for sensitive in situ detection of amino acids on extraterrestrial surfacesOPEN ACCESS
Niels F. W. Ligterink, Valentine Grimaudo, Pavel Moreno-García, Rustam Lukmanov, Marek Tulej, Ingo Leya, Robert Lindner, Peter Wurz, Charles S. Cockell, Pascale Ehrenfreund & Andreas Riedo Scientific Reports volume 10, Article number: 9641 (2020) LINK…
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…
Identification of chondritic krypton and xenon in Yellowstone gases and the timing of terrestrial volatile accretionOPEN ACCESS
Michael W. Broadley, Peter H. Barry, David V. Bekaert, David J. Byrne, Antonio Caracausi, Christopher J. Ballentine, and Bernard Marty PNAS, first published June 8, 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Identifying the origin of…
Electron Microprobe/SIMS Determinations of Al in Olivine: Applications to Solar Wind, Pallasites and Trace Element Measurements
Julie M. Paque, Amy E. Hofmann, Donald S. Burnett, Yunbin Guan, Amy J.G. Jurewicz, Dorothy S. Woolum, Chi Ma, George R. Rossman Geostandards & Geoanalytical Research LINK “Electron probe microanalyser measurements of trace elements with…
Impact-induced amino acid formation on Hadean Earth and Noachian MarsOPEN ACCESS
Yuto Takeuchi, Yoshihiro Furukawa, Takamichi Kobayashi, Toshimori Sekine, Naoki Terada & Takeshi Kakegawa Scientific Reports 10 , 1–7 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Abiotic synthesis of biomolecules is an essential step for the chemical origin…
Dating a Martian meteorite with 20 Myr precision using a prototype in-situ dating instrument
F. Scott Anderson, Jonathan Levine, Tom Whitaker Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 7 June 2020 LINK “Highlights • Using a prototype spaceflight Rb–Sr in-situ dating instrument called CODEX we demonstrate a…
A chondrule formation experiment aboard the ISS: Experimental set-up and test experiments
Dominik Spahr, Tamara E. Koch, David Merges, Anna A. Beck, Bernhard Bohlender, Johan M. Carlsson, Oliver Christ, Shintaro Fujita, Philomena-Theresa Genzel, Jochen Kerscher, Tobin Knautz, Miles Lindner, Diego Mederos Leber, Victor Milman, Wolfgang Morgenroth, Fabian…
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…
Petrogenesis, alteration, and shock history of intermediate shergottite Northwest Africa 7042: Evidence for hydrous magmatism on Mars?
T.V. Kizovski, M.R.M. Izawa, K.T. Tait, D.E. Moser, J.M.D. Day, B.C. Hyde, L.F. White, L. Kovarik, S.D. Taylor, D.E. Perea, I.R. Barker, B.R. Joy Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 4 June…
NanoSIMS isotopic investigation of xenolithic carbonaceous clasts from the Kapoeta howarditeOPEN ACCESS
Nan Liu, Ryan C. Ogliore, Lionel G. Vacher Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 2 June 2020 PDF (OPEN ACCESS) Kapoeta images LINK “We report on the investigation of the inventories of…
Meteoritic Nanodiamonds: Alternative Composition of Xenon Components
A. V. Fisenko & L. F. Semjonova Solar System Research, Volume 54, pages 253–262 (2020) LINK “For the first time, abundances of the main xenon components (Xe-P3, Xe-P3(fr), Xe-P6 and Xe-pr instead Xe-HL) in the…
New insights into the structure and formation of coals, terrestrial and extraterrestrial kerogens from resonant UV Raman spectroscopy
Eric Quirico, Lydie Bonal, Gilles Montagnac, Pierre Beck, Bruno Reynard Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 1 June 2020 LINK “Resonant UV (244 nm-excitation) Raman spectroscopy was used to characterize a series…
(Fe,Ni)2P allabogdanite can be an ambient pressure phase in iron meteoritesOPEN ACCESS
Konstantin D. Litasov, Tatyana B. Bekker, Nursultan E. Sagatov, Pavel N. Gavryushkin, Pavel G. Krinitsyn & Konstantin E. Kuper Scientific Reports 10 , 1–11 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “An orthorhombic modification of (Fe,Ni)2P, allabogdanite,…
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…
Northwest Africa 8694, A ferroan chassignite: Bridging the gap between nakhlites and chassignites
R.H. Hewins, M. Humayun, J.A. Barrat, B. Zanda, J.P. Lorand, S. Pont, N. Assayag, P. Cartigny, S. Yang, V. Sautter Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 May 2020 LINK “The origin(s)…
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…
Classification of CM chondrite breccias—Implications for the evaluation of samples from the OSIRIS‐REx and Hayabusa 2 missionsOPEN ACCESS
Sarah Lentfort, Addi Bischoff, Samuel Ebert, Markus Patzek Meteoritics & Planetary ScienceVersion of Record online: 25 May 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “CM chondrites are complex impact (mostly regolith) breccias, in which lithic clasts…
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…
Hydrous olivine alteration on Mars and Earth
Zoltán Váci, Carl B. Agee, Christopher D. K. Herd, Erin Walton, Oliver Tschauner, Karen Ziegler, Vitali B. Prakapenka, Eran Greenberg, Sylvia Monique‐Thomas Meteoritics & Planetary ScienceVersion of Record online:21 May 2020 LINK “Hydrous alteration of…
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…
Solar system Nd isotope heterogeneity: Insights into nucleosynthetic components and protoplanetary disk evolution
Nikitha Susan Saji, Daniel Wielandt, Jesper Christian Holst, Martin Bizzarro Geochimica et Cosmochimica Acta LINK “High-precision Nd isotope measurements of a diverse set of solar system materials including bulk chondrites and achondrites reveal that their…
Silicon isotopic compositions of chondrule silicates in carbonaceous chondrites and the formation of primordial solids in the accretion disk
Johan Villeneuve, Yves Marrocchi, Emmanuel Jacquet Earth and Planetary Science LettersVolume 542, 15 July 2020, 116318 LINK “Highlights • Chondrules are characterized by large, in situ mass-dependent silicon isotopic variations.• These variations are inherited from…
Formation of chondrules and matrix in Kakangari chondrites
Jens Barosch, Denton S.Ebel, Dominik C. Hezel, Samuel Alpert, Herbert Palme Earth and Planetary Science LettersVolume 542, 15 July 2020, 116286 LINK “Highlights • We determined petrographic and chemical data in components of K chondrites.•…
Explaining the Variations in Isotopic Ratios in Meteoritic Amino AcidsOPEN ACCESS
Michael A. Famiano, Richard N. Boyd, Toshitaka Kajino, Satoshi Chiba, Yirong Mo, Takashi Onaka, Toshi Suzuki PDF (OPEN ACCESS) Update (6 August 2020): LINK “Measurements of the isotopic abundances in meteoritic amino acids have found…
Concerns of Organic Contamination for Sample Return Space MissionsOPEN ACCESS
Queenie Hoi Shan Chan, Rhonda Stroud, Zita Martins & Hikaru Yabuta Space Science Reviews volume 216, Article number: 56 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Analysis of organic matter has been one of the major…
Evidence for sodium-rich alkaline water in the Tagish Lake parent body and implications for amino acid synthesis and racemizationOPEN ACCESS
Lee F. White, Kimberly T. Tait, Brian Langelier, Elizabeth A. Lymer, Ana Černok, Tanya V. Kizovski, Chi Ma, Oliver Tschauner, and Richard I. Nicklin PNAS, first published May 11, 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS)…
Organic Matter in the Solar System—Implications for Future on-Site and Sample Return MissionsOPEN ACCESS
Zita Martins, Queenie Hoi Shan Chan, Lydie Bonal, Ashley King & Hikaru Yabuta Space Science Reviews, Volume 216, Article number: 54 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Solar system bodies like comets, asteroids, meteorites and…
The Non-carbonaceous–Carbonaceous Meteorite DichotomyOPEN ACCESS
T. Kleine, G. Budde, C. Burkhardt, T. S. Kruijer, E. A. Worsham, A. Morbidelli & F. Nimmo Space Science Reviews, Volume 216, Article number: 55 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The isotopic dichotomy between…
What is the Oxygen Isotope Composition of Venus? The Scientific Case for Sample Return from Earth’s “Sister” PlanetOPEN ACCESS
Richard C. Greenwood & Mahesh Anand Space Science Reviews, Volume 216, Article number: 52 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Venus is Earth’s closest planetary neighbour and both bodies are of similar size and mass….
An analytical formulation of isotope fractionation due to self-shielding
J.R. Lyons Geochimica et Cosmochimica Acta LINK “Isotope fractionation due to photochemical self-shielding is believed to be responsible for the enrichment of inner solar system planetary materials in the rare isotopes of carbon, nitrogen, and…
Evidence of extensive lunar crust formation in impact melt sheets 4,330 Myr ago
L. F. White, A. Černok, J. R. Darling, M. J. Whitehouse, K. H. Joy, C. Cayron, J. Dunlop, K. T. Tait & M. Anand Nature Astronomy (2020) LINK “Accurately constraining the formation and evolution of…
FRIPON: a worldwide network to track incoming meteoroidsOPEN ACCESS
F. Colas, B. Zanda, S. Bouley, S. Jeanne, A. Malgoyre, M. Birlan, C. Blanpain, J. Gattacceca, L. Jorda, J. Lecubin, C. Marmo, J.L. Rault, J. Vaubaillon, P. Vernazza, C. Yohia, D. Gardiol, A. Nedelcu, B….
Qarabawi’s Camel Charm: Tracing the meteoritic origins of a cultural artifact
Rhiannon G. Mayne, Catherine M. Corrigan, Timothy J. McCoy, James M. D. Day, Timothy R. Rose Meteoritics & Planetary ScienceVersion of Record online:09 May 2020 LINK “Qarabawi’s Camel Charm was acquired from Abdullah Qarabawi of…
Combined micro X-ray fluorescence and micro computed tomography for the study of extraterrestrial volcanic rocks. The case of North West Africa (NWA) 8657: A shergottite martian meteorite
Carlo Porfido, Paola Manzari, Ignazio Allegretta, Roberto Terzano, Olga De Pascale, Giorgio S. Senesi TalantaVolume 217, 1 September 2020, 121114 LINK “Highlights • μ-XRF and μ-CT were combined to describe the mineralogy and microstructures of…
Effects of solar activity on production rates of short‐lived cosmogenic radionuclides
Juraj Beno, Robert Breier, Jozef Masarik Meteoritics & Planetary ScienceVersion of Record online:08 May 2020 LINK “The solar activity can be quantified by solar modulation parameter Φ that affects the heliospheric magnetic field. This activity…
The selenium isotope composition of lunar rocks: Implications for the formation of the Moon and its volatile loss
Hauke Vollstaedt, Klaus Mezger, Ingo Leya Earth and Planetary Science LettersVolume 542, 15 July 2020, 116289 LINK “Highlights • Lunar mare basalts are ∼1‰ heavier in δ82/78 Se than chondrites and the Earth.• Lunar soils…
Onset of magma ocean solidification on Mars inferred from Mn-Cr chronometry
S. Kruijer, Lars E. Borg, Josh Wimpenny, Corliss K. Sio Earth and Planetary Science LettersAvailable online 7 May 2020, 116315 LINK “Highlights • There are no resolvable radiogenic 53Cr variations among martian meteorites.• Mantle differentiation…
Convective activity in a Martian magma chamber recorded by P‐zoning in Tissint olivineOPEN ACCESS
N. Mari, L. J. Hallis, L. Daly, M. R. Lee Meteoritics & Planetary ScienceVersion of Record online:07 May 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Tissint Martian meteorite is an unusual depleted olivine‐phyric shergottite, reportedly…
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…
Fe2+ partitioning between the M1 and M2 sites in silicate crystals in some stony and stony-iron meteorites studied using X-ray diffraction and Mössbauer spectroscopy
A.A. Maksimova, E.V. Petrova, A.V. Chukin, M.I. Oshtrakh Journal of Molecular StructureVolume 1216, 15 September 2020, 128391 LINK “Highlights • XRD and Mössbauer spectroscopy of some stony and stony-iron meteorites.• Determination of Fe2+ partitioning among…
The effects of secondary processing in the unique carbonaceous chondrite Miller Range 07687
Pierre Haenecour, Christine Floss, Adrian J. Brearley, Thomas J. Zega Meteoritics & Planetary ScienceFirst Published: 3 May 2020 LINK “Our detailed mineralogical, elemental, and isotopic study of the Miller Range (MIL) 07687 meteorite showed that,…
Molecular evolution during hydrothermal reactions from formaldehyde and ammonia simulating aqueous alteration in meteorite parent bodies
Yoko Kebukawa, Satoru Nakashima, Hajime Mita, Yasuji Muramatsu, Kensei Kobayashi IcarusIn Press, Journal Pre-proof, Available online 3 May 2020 LINK “Highlights • Using an in-situ heatable liquid cell, we followed reaction kinetics simulating aqueous alteration…
Cosmic‐ray exposure age and heliocentric distance of the parent body of the Rumuruti chondrite PRE 95410
Tomoya Obase, Daisuke Nakashima, Tomoki Nakamura, Keisuke Nagao Meteoritics & Planetary Science LINK “We measured concentrations and isotopic ratios of noble gases in the Rumuruti (R) chondrite Mount Prestrud (PRE) 95410, a regolith breccia exhibiting…
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…
Geochemistry and Petrogenesis of Northwest Africa (NWA) 10401: A new type of the Mg‐suite rocks?
Juliane Gross, Annette Hilton, Tabb C. Prissel, Jacob B. Setera, Randy L. Korotev, Abigail Calzada‐Diaz Journal of Geophysical Research: Planets LINK “The petrogenetic models of the lunar crust are built on the returned Apollo and…
Weak Magnetic Fields in the Outer Solar Nebula Recorded in CR Chondrites
Roger R. Fu, Pauli Kehayias, Benjamin P. Weiss, Devin L. Schrader, Xue‐Ning Bai, Jacob B. Simon JGR PlanetsVolume 125, 5 May 2020 LINK ” – Paleomagnetic measurements of carbonaceous chondrites can provide important constraints on…
The spatial flux of Earth’s meteorite falls found via Antarctic dataOPEN ACCESS
G.W. Evatt, A.R.D. Smedley, K.H. Joy, L. Hunter, W.H. Tey, I.D. Abrahams, L. Gerrish Geology, 29 April 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Contemporary calculations for the flux of extraterrestrial material falling to the Earth’s…
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…
The Renazzo-like carbonaceous chondrites as resources to understand the origin, evolution, and exploration of the Solar System
N.M. Abreu, J.C. Aponte, E.A. Cloutis, A.N. Nguyen GeochemistryIn Press, Journal Pre-proof, Available online 27 April 2020 LINK “We present here a review of the characteristics of CR carbonaceous chondrite meteorites. Over the past three…
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…
In-situ preservation of nitrogen-bearing organics in Noachian Martian carbonatesOPEN ACCESS
Mizuho Koike, Ryoichi Nakada, Iori Kajitani, Tomohiro Usui, Yusuke Tamenori, Haruna Sugahara & Atsuko Kobayashi Nature Communications, Volume 11, Article number: 1988 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Understanding the origin of organic material on…
The most primitive mesosiderite Northwest Africa 1878, subgroup 0
M. Kimura, N. Sugiura, A. Yamaguchi, K. Ichimura Meteoritics & Planetary ScienceFirst Published: 23 April 2020 LINK “All mesosiderites previously reported were subjected to thermal metamorphism and/or partial melting on the parent body. Therefore, their…
The isotopic composition of volatiles in the unique Bench Crater carbonaceous chondrite impactor found in the Apollo 12 regolith
K.H. Joy, R. Tartèse, S. Messenger, M.E. Zolensky, Y. Marrocchi, D.R. Frank, D.A. Kring Earth and Planetary Science LettersVolume 540, 15 June 2020, 116265 LINK “Highlights • The lunar regolith has accumulated volatiles from impacting…
The effects of atmospheric entry heating on organic matter in interplanetary dust particles and micrometeorites
M.E.I. Riebe, D.I. Foustoukos, C.M.O’D. Alexander, A. Steele, G.D. Cody, B.O. Mysen, L.R. Nittler Earth and Planetary Science LettersVolume 540, 15 June 2020, 116266 LINK “Highlights • Atmospheric entry heating altered the organic matter in…
New implications for the origin of the IAB main group iron meteorites and the isotopic evolution of the noncarbonaceous (NC) reservoir
Connor D.Hilton, Richard J.Walker Earth and Planetary Science LettersVolume 540, 15 June 2020, 116248 LINK “Highlights • The IAB-MG iron meteorites have a μ182W value of −295 ± 3.• The IAB-MG are constrained to have…
Petrography, geochemistry and classification of ten new iron meteorites from Northwest Africa and Chile
Massimo D’Orazio Periodico di MineralogiaVol 89, No 1 (2020) LINK “I present detailed petrographic descriptions and major- and trace-element data on a set of ten new iron meteorites (irons) from Nortwest Africa and the Atacama…
Earliest evidence of a death and injury by a meteorite
O. Unsalan, A. Bayatlı, P. Jenniskens Meteoritics & Planetary ScienceFirst Published: 22 April 2020 LINK “Our planet experiences falls of meteorites with different airburst and ground impact risk. Some of these meteors can survive after…
Concepts of the Small Body Sample Return Missions – the 1st 10 Million Year Evolution of the Solar System
Yangting Lin, Yonghe Zhang, Sen Hu, Yuchen Xu, Weijia Zhou, Shijie Li, Wei Yang, Yang Gao, Mingtao Li, Qingzhu Yin, Douglas Lin & Wing Ip Space Science Reviews, Volume 216, Article number: 45 (2020)Published: 20…
Incremental melting in the ureilite parent body: Initial composition, melting temperatures, and melt compositions
Max Collinet, Timothy L. Grove Meteoritics & Planetary ScienceFirst Published: 19 April 2020 LINK “Ureilites are carbon‐rich ultramafic achondrites that have been heated above the silicate solidus, do not contain plagioclase, and represent the melting…
Hydrogen Isotopic Variations in the ShergottitesOPEN ACCESS
Shuai Wang and Sen Hu Geosciences 2020, 10(4), 148 LINK (OPEN ACCESS)PDF (DOWNLOAD) “Hydrogen isotopes in the shergottite Martian meteorites are among the most varied in Mars laboratory samples. By collating results of previous studies…
Th/U variability in Allende chondrules
Janne Blichert-Toft, Christa Göpel, Marc Chaussidon, F. Albarède Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 17 April 2020 LINK “Lead isotope compositions were measured on both single and combined chondrules from the CV3…
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…
Meteorite transport—Revisited II
Jack Wisdom Meteoritics & Planetary ScienceFirst Published: 16 April 2020 LINK “In Wisdom (2017), I presented new simulations of meteorite transport from the chaotic zones associated with major resonances in the asteroid belt: the ν6…
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…
Mineralogy and petrology of dark clasts in the Allan Hills 76005 polymict eucrite pairing group
Kevin Righter, Alexander P. Holmwood Meteoritics & Planetary Science LINK “The Allan Hills 76005 polymict eucrite pairing group consists of 15 paired masses recovered during six different field seasons in the Transantarctic Mountains. Although this…
