Isotopically Heavy Micrometeorites — Fragments of CY Chondrite or a New Hydrous Parent Body?OPEN ACCESS
M. D. Suttle, L. Folco, Z. Dionnet, M. Van Ginneken, T. Di Rocco, A. Pack, M. Scheel, A. Rotundi JGR PlanetsFirst published: 22 August 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points Combined bulk O-isotopes…
Geoelectrochemistry-driven alteration of amino acids to derivative organics in carbonaceous chondrite parent bodiesOPEN ACCESS
Yamei Li, Norio Kitadai, Yasuhito Sekine, Hiroyuki Kurokawa, Yuko Nakano & Kristin Johnson-Finn Nature Communications, Volume 13, Article number: 4893 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “A long-standing question regarding carbonaceous chondrites (CCs) is how the…
Meteorite petrology versus genetics: Toward a unified binominal classificationOPEN ACCESS
Emmanuel Jacquet MAPSVersion of Record online: 13 August 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The current meteorite taxonomy, a result of two centuries of meteorite research and tradition, entangles textural and genetic terms in a…
Characterizing the degree of aqueous alteration in a fresh sample of Mukundpura CM chondrite fall using ATR-FTIR and TGA
A. Dixit, R. P. Tripathi, Sudhanshu Kumar, Mohd. Azaj Ansari, K. Sreenivas MAPSVersion of Record online: 27 July 2022 LINK “Fourier transform infrared (FTIR) measurements on immediately collected Mukundpura show the typical feature for phyllosilicates…
Kinetic isotope effects in H2O2 self-decomposition: Implications for triple oxygen isotope systematics of secondary minerals in the solar system
Hao Guo, Xiaoxiao Yu, Mang Lin Earth and Planetary Science LettersVolume 594, 15 September 2022 LINK “Hydrogen peroxide (H2O2) is a ubiquitous molecule in nature that shapes the redox state of planetary surfaces. Given that…
Water UV-Shielding in the Terrestrial Planet-Forming Zone: Implications for Oxygen-18 Isotope Anomalies in H2-18O Infrared Emission and MeteoritesOPEN ACCESS
Jenny K. Calahan, Edwin A. Bergin, Arthur D. Bosman accepted to ApJ Letters PDF (OPEN ACCESS) Update (25 July 2002):LINK (OPEN ACCESS)PDF (OPEN ACCESS) “An understanding of the abundance and distribution of water vapor in…
SIMS matrix effects in oxygen isotope analysis of olivine and pyroxene: Application to Acfer 094 chondrite chondrules and reconsideration of the primitive chondrule minerals (PCM) line
Mingming Zhang, Kohei Fukuda, Michael J. Spicuzza, Guillaume Siron, Adriana Heimann, Alex J. Hammerstromb, Noriko T.Kita, Takayuki Ushikubo, John W.Valley Chemical GeologyIn Press, Journal Pre-proof, Available online 11 July 2022 LINK “The instrumental bias (here…
Probing the surface environment of large T-type asteroidsOPEN ACCESS
Yuna G. Kwon, Sunao Hasegawa, Sonia Fornasier, Masateru Ishiguro, Jessica Agarwal Accepted for publication in Astronomy & Astrophysics LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We probed the surface environment of large (>80 km in diameter) T-type…
Deciphering the Parent Bodies of Heated CMs
Prestgard T. J. Beck P. Bonal L. MetSoc22 abstract [#6187] LINK “Some Stage-II and III heated CM chondrites, and Elephant Moraine (EET) 83355, have spectra similar to C, Cg and/or X-type asteroids. A subset of…
The Aguas Zarcas Carbonaceous Chondrite Meteorite: A Study of Chondrules, Fine-Grained Rims, and Indications for a Heterogeneous Parent Body
Kouvatsis I. Cartwright J. A. Hames W. E. MetSoc22 abstract [#6308] LINK “We study the formation and evolution of fine-grained rims (FGRs) in the carbonaceous chondrite Aguas Zarcas.”
A Coordinated Approach to Investigate the Heterogeneity of Aqueous Alteration at the Micro-Scale in the Winchcombe Meteorite, a CM Fall
Daly L. * Suttle M. D. Lee M. R. Bridges J. Hicks L. Martin P-E. Floyd C. J. Jenkins L. Salge T. King A. J. Almedia N. V. Johnson D. Trimby P. Mansour H. Wadsworth…
Link between Polycyclic Aromatic Hydrocarbon Size and Aqueous Alteration in Carbonaceous Chondrites Revealed by Laser Mass Spectrometry
Katerina Slavicinska, Dumitru, Duca, Dmitrii, Egorov, Tirthankar Mitra, Yvain Carpentier, Cristian Focsa, Christopher J.Bennett, Claire Pirim ACS Earth and Space ChemistryPublication Date (Web): June 2, 2022 LINK “The organic inventories of carbonaceous chondrites (CCs) provide…
Asteroid 2008 TC3, not a polymict ureilitic but a polymict C1 chondrite parent body? Survey of 249 Almahata Sitta fragmentsOPEN ACCESS
Addi Bischoff, Lukas Bannemann, Stephan Decker, Samuel Ebert, Siegfried Haberer, Ursula Heitmann, Marian Horstmann, Kerstin I. Klemm, Ann-Kathrin Kraemer, Sarah Lentfort, Markus Patzek, Jakob Storz, Mona Weyrauch MAPSVersion of Record online: 14 May 2022 LINK…
Artificial weathering of an ordinary chondrite: Recommendations for the curation of Antarctic meteoritesOPEN ACCESS
Matthias van Ginneken, Vinciane Debaille, Sophie Decrée, Steven Goderis, Alan B. Woodland, Penelope Wozniakiewicz, Marleen De Ceukelaire, Thierry Leduc, Philippe Claeys MAPSVersion of Record online: 05 May 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Meteorites are…
Chondritic breccias: An optical microscopic classification
M. Kimura, A. Yamaguchi Polar ScienceIn Press, Journal Pre-proof, Available online 1 May 2022 LINK “Numerous meteorites are breccias, indicating asteroid collisions. Herein we systematically investigate brecciated chondrites to efficiently and quickly classify large numbers…
The chemistry of the extraterrestrial carbonaceous stone “Hypatia”: A perspective on dust heterogeneity in interstellar spaceOPEN ACCESS
Jan D. Kramers, Georgy A. Belyanin, Wojciech J.Przybyłowicz, Hartmut Winkler, Marco A.G. Andreoli IcarusAvailable online 22 April 2022 LINK (OPEN ACCESS) “Highlights • The parent body of the carbonaceous, extraterrestrial stone “Hypatia” was primitive.• We…
GRO 95577 (CR1) as a mineralogical analogue for asteroid (101955) Bennu
Victoria E. Hamilton, Hannah H. Kaplan, Harold C. Connolly Jr, Cyrena A. Goodrich, Neyda M. Abreu, Amy A. Simon IcarusAvailable online 21 April 2022 LINK “Highlights • The only known CR1 meteorite is the best…
Fe-Ni sulfides in Tagish Lake: Implications for nebular and parent body conditions of formation
Miranda C. Holt, Christopher D. K. Herd MAPSVersion of Record online: 20 April 2022 LINK “This study examined nine pristine samples representing seven lithologies of the ungrouped C2 carbonaceous chondrite Tagish Lake from the University…
Preservation of Terrestrial Microorganisms and Organics Within Alteration Products of Chondritic Meteorites from the Nullarbor Plain, AustraliaOPEN ACCESS
Alastair W. Tait, Siobhan A. Wilson, Andrew G. Tomkins, Jessica L. Hamilton, Emma J. Gagen, Alex I. Holman, Kliti Grice, Louisa J. Preston, David J. Paterson, and Gordon Southam Astrobiology, Vol. 22, No. 4Published Online:…
Unique evidence of fluid alteration in the Kakowa (L6) ordinary chondriteOPEN ACCESS
I. P. Baziotis, C. Ma, Y. Guan, L. Ferrière, S. Xydous, J. Hu, M. A. Kipp, F. L. H. Tissot & P. D. Asimow Scientific Reports, Volume 12, Article number: 5520Published: 12 April 2022 LINK…
Investigating S-type asteroid surfaces through reflectance spectra of ordinary chondritesOPEN ACCESS
J. Eschrig, L. Bonal, M. Mahlke, B. Carry, P.Beck, J. Gattacceca IcarusIn Press, Journal Pre-proof, Available online 3 April 2022 LINK Update (22 June 2022): PDF (OPEN ACCESS) “Highlights • Reflectance spectroscopy• Petrography• Unequilibrated Ordinary…
Characterization of achondritic cosmic spherules from the Widerøefjellet micrometeorite collection (Sør Rondane Mountains, East Antarctica)
Bastien Soens, Stepan M. Chernonozhkin, Claudia González de Vega, Frank Vanhaecke, Matthias van Ginneken, Philippe Claeys, Steven Goderis Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 March 2022 LINK “Achondritic micrometeorites represent one…
Petrochemistry and Oxygen Isotope of Karimati (L5) Chondrite, a 2009 Fall in Uttar Pradesh, India
D. Ray, D. K. Panda, G. Arora, S. Ghosh, S. V. S. Murty & S. Chakraborty Journal of the Geological Society of India, Volume 98, pages 323–328Published: 28 March 2022 LINK “Karimati, a single stone,…
Multiscale correlated analysis of the Aguas Zarcas CM chondriteOPEN ACCESS
Zélia Dionnet, Alice Aléon-Toppani, Rosario Brunetto, Stefano Rubino, Martin D. Suttle, Cateline Lantz, Chrysa Avdellidou, Donia Baklouti, Ferenc Borondics, Zahia Djouadi, Francesco Greco, Eva Héripré, Tomoki Nakamura, Alessandra Rotundi, Mario Scheel MAPSVersion of Record online:…
Smooth rims in Queen Alexandra Range (QUE) 99177: Fluid–chondrule interactions and clues on the geochemical conditions of the primordial fluid that altered CR carbonaceous chondrites
Marina Martínez, Adrian J. Brearley Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 March 2022 LINK “Queen Alexandra Range (QUE) 99177 is one of the least altered CR carbonaceous chondrite known, with mineralogical…
In-situ O-isotope analysis of relict spinel and forsterite in small (<200μm) Antarctic micrometeorites – samples of chondrules & CAIs from carbonaceous chondrites
N.G. Rudraswami, M.D. Suttle, Y. Marrocchi, S. Taylord, J. Villeneuve Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 March 2022 LINK “We report high-precision secondary ion mass spectrometer triple oxygen isotope systematics (95…
Distinguishing between terrestrial and extraterrestrial organic compounds in the CM2 Aguas Zarcas carbonaceous chondrite: Implications for intrinsic organic matter
Libby D. Tunney, Patrick J. A. Hill, Christopher D. K. Herd, Robert W. Hilts, Miranda C. Holt MAPSVersion of Record online: 15 March 2022 LINK “Soluble organic matter analyses of astromaterials can provide valuable information…
Organic compounds in the Tarda C2 ungrouped carbonaceous chondrite: Evaluating the sources of contamination in a desert fall
Libby D. Tunney, Patrick J. A. Hill, Christopher D. K. Herd, Robert W. Hilts MAPSVersion of Record online: 03 March 2022 LINK “Studying organic compounds in meteorites provides important insight into the chemical processes that…
Experimental and Theoretical Constraints on Amino Acid Formation from PAHs in Asteroidal SettingsOPEN ACCESS
Claudia-Corina Giese, Inge Loes ten Kate, Martijn P. A. van den Ende, Mariette Wolthers, José C. Aponte, Eloi Camprubi, Jason P. Dworkin, Jamie E. Elsila, Suzanne Hangx, Helen E. King, Hannah L. Mclain, Oliver Plümper,…
The Famenin fall and other ordinary chondrites intermediate between H and L groupsOPEN ACCESS
Hamed Pourkhorsandi, Jérôme Gattacceca, Pierre Rochette, Thomas Smith, Lydie Bonal, Massimo D’Orazio, Bertrand Devouard, Corinne Sonzogni, Vinciane Debaille Meteoritics & Planetary Scienceaccepted for publication, February 2022 LINK (OPEN ACCESS)PDF (DOWNLOAD) and PDF (OPEN ACCESS) Update…
Tracing Organic Contamination from Collection to Curation: Best Practices for the Recovery and Contamination Mitigation of Meteorites
Tunney L. D. Hill P. J. A. Herd C. D. K. Hilts R. W. PDF LPSC 2022 abstract [#2103] “In this study, we derive six key recommendations for recovering, handling, and curating freshly fallen meteorites.”
Brecciation on the Aguas Zarcas Parent Body Revealed Using Clast Petrofabrics
Floyd C. J. * Macente A. Daly L. Hanna R. D. Lee M. R. PDF LPSC 2022 abstract [#1470] “Chondrules in chondrites / What secrets are they hiding / Fabrics reveal all.”
Noble Gases in the Very Primitive CM Chondrites Asuka 12085 and 12236 — Filling the Gap
Pacnik H. Eckart L. M. Krietsch D. Maden C. Busemann H. * PDF LPSC 2022 abstract [#1987] “Noble gases confirm that A-12085 and 12236 are very primitive CMs; the accreted matrix contains Ar-rich grains that…
In-Situ Oxygen Isotope Study of Anhydrous Minerals in a Ryugu Particle: Implications for the Precursors to CI-Chondrite Parent Bodies
Liu M.-C. McCain K. A. Matsuda N. Yamaguchi A. Kimura M. et al. PDF LPSC 2022 abstract [#2276] “Ryugu’s olivine / Not only chondrule pieces / But also AOA remains.”
Organics and Their Relationship to Phyllosilicates in Ryugu, Orgueil and Ivuna: In Situ TEM and XANES Study
Le Guillou C. Bernard S. Leroux H. Noguchi T. Yurimoto H. et al. PDF LPSC 2022 abstract [#2099] “Organics in Ryugu are less oxygenated than CI chondrites. Either terrestrial weathering or parent body alteration conditions…
Olivine Compositional Variation of Asteroid Ryugu Samples: Possible Precursors of Ryugu’s Parent Asteroid
Mikouchi T. Nakamura T. Zolensky M. E. Yoshida H. Nakashima D. et al. PDF LPSC 2022 abstract [#1935] “Ryugu samples have rare olivine-bearing fragments, possible precursors of Ryugu’s parent asteroid. Ryugu olivines are compositionally similar…
The Oxygen Isotopic Composition of Hayabusa2 Particles: Testing the Relationship with CI and CY Chondrites
Greenwood R. C. Findlay R. Franchi I. A. Malley J. A. Ito M. et al. PDF LPSC 2022 abstract [#2105] “High-precision oxygen isotope analysis of returned samples from asteroid Ryugu demonstrates a close affinity with…
The Oxygen Isotopic Composition of Samples Returned from Asteroid Ryugu: Evidence for Similarity to CI Chondrites
Young E. D. * Tang H. Tafla L. Pack A. Di Rocco T. et al. PDF LPSC 2022 abstract [#1290] “Oxygen isotope analyses of samples returned from asteroid Ryugu resemble CI chondrites but differ in…
Early History of Ryugu’s Parent Asteroid: Evidence from Return Sample
Nakamura T. * Matsumoto M. Amano K. Enokido Y. Zolensky M. E. et al. PDF LPSC 2022 abstract [#1753] “Formation and evolution of Ryugu’s parent asteroid were estimated based on mineralogical and physical properties of…
Oxygen-Isotope Compositions of Chondrules in Metal-Rich Carbonaceous Chondrites Fountain Hills and Sierra Gorda 013
Krot A. N. Nagashima K. Ivanova M. A. Lauretta D. S. Libourel G. et al. PDF LPSC 2022 abstract [#1301] “O-isotope compositions of chondrules in Fountain Hills and Sierra Gorda 013 are similar to those…
Assessing the Oxygen Isotope Heterogeneity in Aguas Zarcas, Mukundpura and Kolang
Findlay R. * Greenwood R. C. Franchi I. A. Anand M. King A. J. et al. PDF LPSC 2022 abstract [#2647] “Warm cosmic hot tub / Wet and dry are now as one / Juxtaposed…
Tarda and Tagish Lake: Samples from the Same Outer Solar System Asteroid?
Schrader D. L. * Davidson J. Foustoukos D. Alexander C. M. O’D. Torrano Z. A. et al. PDF LPSC 2022 abstract [#1157] “Space rocks so altered / Similar to each other / From same asteroid.”
Mid-infrared emissivity of partially dehydrated asteroid (162173) Ryugu shows strong signs of aqueous alterationOPEN ACCESS
M. Hamm, M. Grott, H. Senshu, J. Knollenberg, J. de Wiljes, V. E. Hamilton, F. Scholten, K. D. Matz, H. Bates, A. Maturilli, Y. Shimaki, N. Sakatani, W. Neumann, T. Okada, F. Preusker, S. Elgner,…
Blaubeuren, Cloppenburg, and Machtenstein—Three recently recognized H-group chondrite finds in Germany with distinct terrestrial ages and weathering effectsOPEN ACCESS
Addi Bischoff, Jakob Storz, Jean-Alix Barrat, Dieter Heinlein, A. J. Timothy Jull, Silke Merchel, Andreas Pack, Georg Rugel MAPSVersion of Record online: 17 January 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “In the last 7 years, three…
The Formation of Type B CAIs: Evolution from Type A CAIs
G.J. MacPherson, A.N. Krot, N.T. Kita, E.S. Bullock, K. Nagashima, T. Ushikubo, M.A.Ivanova Geochimica et Cosmochimica ActaAvailable online 7 January 2022 LINK “Five Type A CAIs from three CV3 chondrites (Vigarano, Northwest Africa 3118, Allende),…
A temporal shift of chondrule generation from the inner to outer Solar System inferred from oxygen isotopes and Al-Mg chronology of chondrules from primitive CM and CO chondrites
Kohei Fukuda, Makoto Kimura, Naotaka Tomioka, Guillaume Siron, Takayuki Ushikubo, Noël Chaumard, Andreas T. Hertwig, Noriko T. Kita Geochimica et Cosmochimica ActaAvailable online 31 December 2021 LINK “Deciphering the spatial and temporal evolution of chondrules…
Oxygen isotope variations in Mg-rich olivines from type I chondrules in carbonaceous chondrites
Guy Libourel, Kazuhide Nagashima, Marc Portail, Alexander N. Krot Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 31 December 2021 LINK “Using high-resolution cathodoluminescence (HR-CL) panchromatic imaging for the location of high-precision oxygen three-isotope…
Oxygen and magnesium mass-independent isotopic fractionation induced by chemical reactions in plasmaOPEN ACCESS
François Robert, Marc Chaussidon, Adriana Gonzalez-Cano, and Smail Mostefaoui PNAS December 28, 2021 118 (52) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Abstract Enrichment or depletion ranging from −40 to +100% in the major isotopes 16O and…
Distant formation and differentiation of outer main belt asteroids and carbonaceous chondrite parent bodiesOPEN ACCESS
H. Kurokawa, T. Shibuya, Y. Sekine, B. L. Ehlmann, F. Usui, S. Kikuchi, M. Yoda accepted for publication in AGU Advances PDF (OPEN ACCESS) Update: PDF (OPEN ACCESS) Water-rock reactions and their products in asteroids…
Indigenous Carbon-rich Matter Associated with Unusual Aqueous Alteration Features in Nakhla: Complex Formation and Preservation HistoryOPEN ACCESS
Kathie L. Thomas-Keprta, Simon J. Clemett, Everett K.Gibson, Zia Rahman, Neha Baskar, Susan J. Wentworth, Nathaniel T. Keprta, David S. McKay Geochimica et Cosmochimica ActaAvailable online 14 December 2021 LINK (OPEN ACCESS) “While indigenous organic…
4M method – new application of Mössbauer spectroscopy to classification of meteorites. How it works?OPEN ACCESS
Jolanta Gałązka-Friedman, Martyna Jakubowska, Marek Woźniak, Patrycja Bogusz, Łukasz Karwowski & Przemysław Duda Hyperfine Interactions, Volume 242, Article number: 55 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “4M method is a new application of Mössbauer spectroscopy…
Can Mӧssbauer methods of classifying ordinary chondrites help to identify non-representative samples of these meteorites?OPEN ACCESS
Martyna Jakubowska, Jolanta Gałązka-Friedman, Marek Woźniak, Patrycja Bogusz, Łukasz Karwowski & Przemysław Duda Hyperfine Interactions, Volume 242, Article number: 50 (2021), Published: 04 December 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mössbauer spectra of nonweathered ordinary…
Alteration conditions on the CM and CV parent bodies – insights from hydrothermal experiments with the CO chondrite Kainsaz
M.D. Suttle, A.J. King, N.K. Ramkissoon, E. Bonato, I.A. Franchi, J. Malley, P.F. Schofield, J. Najorka, T. Salge, S.S. Russell Geochimica et Cosmochimica Acta LINK “This study simulates the hydrothermal conditions that existed on carbonaceous…
Oxygen and Aluminum-Magnesium Isotopic Systematics of Presolar Nanospinel Grains from CI Chondrite OrgueilOPEN ACCESS
Nan Liu, Nicolas Dauphas, Sergio Cristallo, Sara Palmerini, Maurizio Busso Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 26 November 2021 LINK PDF (OPEN ACCESS) “Presolar oxide grains have been previously divided into several…
Processes and temperatures of FGR formation in chondrites
P-M. Zanetta, C. Le Guillou, H. Leroux, B. Zanda, R. Hewins, G. Bellino Geochimica et Cosmochimica ActaAvailable online 19 November 2021 LINK “In order to understand the nature of the dust that accreted onto chondrules…
Experimental chondrite–water reactions under reducing and low-temperature hydrothermal conditions: Implications for incipient aqueous alteration in planetesimals
Sakiko Kikuchi, Takazo Shibuya, Mariko Abe, Katsuyuki Uematsu Geochimica et Cosmochimica ActaAvailable online 11 November 2021 LINK “The presence of hydrous minerals in carbonaceous chondrites has been considered as an important evidence for the former…
Anaerobic Microscopic Analysis of Ferrous Saponite and its Sensitivity to Oxidation by Earth’s Air: Lessons Learned for Analysis of Returned Samples from Mars and Carbonaceous AsteroidsOPEN ACCESS
Natsumi Noda, Shohei Yamashita, Yoshio Takahashi, Megumi Matsumoto, Yuma Enokido, Kana Amano, Takahiro Kawai, Hiroshi Sakuma, Keisuke Fukushi, Yasuhito Sekine, Tomoki Nakamura Minerals 2021, 11(11), 1244 LINK (OPEN ACCESS)PDF (DOWNLOAD) “Ferrous saponite is a secondary…
Abundance and importance of petrological type 1 chondritic materialOPEN ACCESS
Sara S. Russell, M. D. Suttle, A. J. King Meteoritics & Planetary ScienceVersion of Record online: 07 November 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We review the mineralogy, petrology, and abundance of petrological type 1…
Meteorite terrestrial ages in Oman based on gamma spectrometry and sediment dating, focusing on the Ramlat Fasad dense collection areaOPEN ACCESS
Åke V. Rosén, Beda A. Hofmann, Frank Preusser, Edwin Gnos, Urs Eggenberger, Marc Schumann, Sönke Szidat Meteoritics & Planetary ScienceVersion of Record online: 04 November 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We combine the search…
Evolution of the parent body of enstatite (EL) chondritesOPEN ACCESS
Mario Trieloff, Jens Hopp, Hans-Peter Gail IcarusIn Press, Journal Pre-proof, Available online 30 October 2021 LINK Update (9 November 2021, Draft version): PDF (OPEN ACCESS) “Highlights • EL chondrite thermochronological data are used to construct…
Addendum: Meteoritic evidence for a Ceres-sized water-rich carbonaceous chondrite parent asteroidOPEN ACCESS
V. E. Hamilton, C. A. Goodrich, A. H. Treiman, H. C. Connolly Jr, M. E. Zolensky & M. H. Shaddad Nature AstronomyPublished: 25 October 2021 LINK Addendum to Nature Astronomy Meteoritic evidence for a Ceres-sized…
Constraints on the ice composition of carbonaceous chondrites from their magnetic mineralogy
Sanjana Sridhar, James F.J. Bryson, Ashley J. King, Richard J. Harrison Earth and Planetary Science LettersVolume 576, 15 December 2021, 117243 LINK “Highlights • Aqueous alteration was a key event during the history of carbonaceous…
Aqueous Alteration on Asteroids Simplifies Soluble Organic Matter MixturesOPEN ACCESS
Junko Isa, François-régis Orthous-Daunay, Pierre Beck, Christopher D. K. Herd, Veronique Vuitton, and Laurène Flandinet The Astrophysical Journal Letters, Volume 920, Number 2 LINK PDF (OPEN ACCESS) “Biologically relevant abiotic extraterrestrial soluble organic matter (SOM)…
Mineralogy, petrology, and oxygen‐isotope compositions of magnetite ± fayalite assemblages in CO3, CV3, and LL3 chondrites
Alexander N. Krot, Patricia M. Doyle, Kazuhide Nagashima, Elena Dobrică, Michail I. Petaev Meteoritics & Planetary ScienceFirst Published: 20 October 2021 LINK “We report on the mineralogy, petrology, and O-isotope compositions of magnetite and fayalite…
Space Weathering of the 3-micron Phyllosilicate Feature induced by Pulsed Laser IrradiationOPEN ACCESS
B.S Prince, M.J. Loeffler Icarus, available online 11 October 2021 PDF (OPEN ACCESS) LINK “Highlights • The effects of laser irradiation on CI and CM simulant samples have been studied using in situ spectroscopy of…
Eucrite-type achondrites: Petrology and oxygen isotope compositionsOPEN ACCESS
David W. Mittlefehldt, Richard C. Greenwood, Eve L. Berger, Loan Le, Zhan X. Peng, D. Kent Ross Meteoritics & Planetary ScienceVersion of Record online: 04 October 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report petrologic…
An experimental study on oxygen isotope exchange reaction between CAI melt and low-pressure water vapor under simulated Solar nebular conditionsOPEN ACCESS
Daiki Yamamoto, Noriyuki Kawasaki, Shogo Tachibana, Michiru Kamibayashi, Hisayoshi Yurimoto Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 23 September 2021 LINK (OPEN ACCESS) “Calcium-aluminum-rich inclusions (CAIs) are known as the oldest high-temperature mineral…
Conditions of chondrule formation in ordinary chondrites
Maxime Piralla, Johan Villeneuve, Valentina Batanova, Emmanuel Jacquet, Yves Marrocchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 16 August 2021 LINK “Chondrules are sub-millimetric spheroids that are ubiquitous in chondrites and whose formation…
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…
Petrology and classification of A-9003, A 09535, and Y-82094: A new type of carbonaceous chondrite
M. Kimura, R. C. Greenwood, M. Komatsu, N. Imae, A. Yamaguchi, R. Sato Meteoritics & Planetary ScienceVersion of Record online: 12 July 2021 LINK “Most carbonaceous (C) chondrites are classified into eight major groups: CI,…
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,…
Mineralogy of fine-grained matrix, fine-grained rim, chondrule rim, and altered mesostasis of a chondrule in Asuka 12169, one of the least altered CM chondrites
Takaaki Noguchi, Masahiro Yasutake, Akira Tsuchiyama, Akira Miyake, Makoto Kimura, Akira Yamaguchi, Naoya Imae, Kentaro Uesugi, Akihisa Takeuchi Polar ScienceAvailable online 3 July 2021 LINK “Mineralogy of fine-grained matrix (FGM), fine-grained rim (FGR), chondrule rim,…
O-Isotope Signatures of Olivine and Pyroxene Grains in C1 and CM-Like Clasts
Patzek M., Bischoff A., Ludwig T., Whitehouse M., Trieloff M., Visser R., John T. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6096) PDF The olivine and pyroxene grains in C1 clasts seem…
Revising the Angrite Fractionation Line: New Insights from High-Precision Oxygen Isotope Studies
Rider-Stokes B. G., Greenwood R. C., Anand M., Franchi I. A., White L. F. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6071) PDF Here we present new oxygen isotope data for angrite…
Investigating the Origin of Oxygen Isotopic Variations in Meteorites
Burbine T. H., Greenwood R. C. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6210) PDF We are currently undertaking modeling to investigate how the oxygen isotopic variations seen in meteorites can be…
Oxygen Isotope Reservoirs in the Solar Nebula
Desch S. J., Mane P., Dunham E. T., Williams C. D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6244) PDF Our astrophysical model combining magnetic forces on dust during star formation and…
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…
Magnetite-Rich C2-ung Chondrites and Their Asteroidal Parent Bodies
Hewins R. H., Zanetta P.-M., Zanda B., Le Guiillou C., Leroux H., Brunetto R., Maupin R., Djouadi Z., Gattacceca J., Sognzoni C., Pont S., Piani L., Rigaudier T., Bernard S., Deldicque D., Malarewicz V., Dionnet…
Newly Recognized Classes of Type 3 Carbonaceous Chondrites with Extreme Oxygen Isotopic Compositions Beyond the CCAM Trend
Irving A. J., Garvie L. A. J., Carpenter P. K., Ziegler K. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6218) PDF Three new types of ungrouped carbonaceous chondrite from Northwest Africa have…
PAH Content of CM Chondrites: Influence of Aqueous Alteration on the Parent Body?
Lecasble M., Remusat L., Viennet J.-C., Laurent B., Bernard S. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6205) PDF We extracted PAHs from Mukundpura, Aguas Zarcas, Kolang and Tarda. PAH concentration and…
Phyllosilicate Rich Rims in Mukundpura Meteorite: Implications for Parent Body Aqueous Alteration
Baliyan S., Ray D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6247) PDF This study focuses on the origin and alteration of fine-grained rims in Mukundpura meteorite (CM2).
Experimental Alteration of Insoluble Organic Matter of the Paris Meteorite
Laurent B., Holin M., Beyssac O., Brunetto R., Brunelle A., Bouvier C., Remusat L. * 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6202) PDF The Paris IOM was subjected to aqueous alteration…
The pre-atmospheric hydrogen inventory of CM carbonaceous chondritesOPEN ACCESS
Martin R. Lee, Benjamin E. Cohen, Adrian J. Boyce, Lydia J. Hallis, Luke Daly Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 June 2021 LINK (OPEN ACCESS) “Highlights • Up to half of…
Progressive aqueous alteration and iron oxidation record in the matrix of Mukundpura CM2 chondrite, a new fall
D. Ray, S. Baliyan, C. Nayak Advances in Space ResearchAvailable online 12 June 2021 LINK “Highlights • Mukundpura- a matrix-rich CM2, fresh fall.• Matrix shows evidences of progressive alteration.• Iron speciation record is consistent with…
Exploring the link between molecular cloud ices and chondritic organic matter in laboratoryOPEN ACCESS
G. Danger, V. Vinogradoff, M. Matzka, J-C. Viennet, L. Remusat, S. Bernard, A. Ruf, L. Le Sergeant d’Hendecourt & P. Schmitt-Kopplin Nature Communications, Volume 12, Article number: 3538 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Carbonaceous…
Impacts may provide heat for aqueous alteration and organic solid formation on asteroid parent bodiesOPEN ACCESS
Minami Yasui, Taku Tazawa, Ryohei Hashimoto, Masahiko Arakawa & Kazunori Ogawa Communications Earth & Environment, Volume 2, Article number: 95 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chemical reactions on asteroid parent bodies, such as aqueous…
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…
Raman spectral peak positions of olivine (Fo‐Fa) as fast methodology for classifying chondrites
Bruno Leonardo do Nascimento‐Dias, Tatiane Peters Donato, Maria Elizabeth Zucolotto, Virgílio de Carvalho dos Anjos Journal of Raman SpectroscopyFirst published: 25 April 2021 LINK “Chondrites are the most common meteorites in the world. However, the…
Origins of colors variability among C-cluster main-belt asteroidsOPEN ACCESS
Pierre Beck, Olivier Poch IcarusAvailable online: 21 April 2021 LINK Update (6 May 2021): PDF (OPEN ACCESS) “Highlights • A C-type cluster is identified by an SDSS colors & albedo cluster analysis.• The C-cluster matches…
The Loongana (CL) group of carbonaceous chondritesOPEN ACCESS
Knut Metzler, Dominik C. Hezel, Jens Barosch, Elias Wölfer, Jonas M. Schneider, Jan L. Hellmann, Jasper Berndt, Andreas Stracke, Jérôme Gattacceca, Richard C. Greenwood, Ian A. Franchi, Christoph Burkhardt, Thorsten Kleine Geochimica et Cosmochimica ActaIn…
Oxygen isotope systematics of crystalline silicates in a giant cluster IDP: A genetic link to Wild 2 particles and primitive chondrite chondrules
Mingming Zhang, Céline Defouilloy, David J. Joswiak, Donald E. Brownlee, Daisuke Nakashima, Guillaume Siron, Kouki Kitajima, Noriko T. Kita Earth and Planetary Science LettersVolume 564, 15 June 2021, 116928 LINK “Highlights • Five out of…
Aqueous alteration and bioalteration of a synthetic enstatite chondriteOPEN ACCESS
Caroline Avril, Valérie Malavergne, Eric D. van Hullebusch, Fabrice Brunet, Stephan Borensztajn, Jérôme Labanowski, Louis Hennet, François Guyot Meteoritics & Planetary ScienceVersion of Record online: 28 March 2021 LINK Update: PDF (OPEN ACCESS) “Understanding the…
