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…
Apatite halogen and hydrogen isotope constraints on the conditions of hydrothermal alteration in carbonaceous chondrites
Maxime Piralla, Romain Tartèse, Yves Marrocchi, Katherine H. Joy Meteoritics & Planetary ScienceVersion of Record online: 26 March 2021 LINK “Apatite has been widely used for assessing the volatile inventory and hydrothermal fluid compositions of…
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…
The relationship between CM and CO chondrites: Insights from combined analyses of titanium, chromium, and oxygen isotopes in CM, CO, and ungrouped chondritesOPEN ACCESS
Zachary A. Torrano, Devin L. Schrader, Jemma Davidson, Richard C. Greenwood, Daniel R.Dunlap, Meenakshi Wadhwa Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 10 March 2021 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “A close…
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…
Hydrogen isotopic exchange kinetics between organic matter and water: Implications for chemical evolution during meteorite parent body processing
Yoko Kebukawa, Sachio Kobayashi, Noriyuki Kawasaki, Ying Wang, Hisayoshi Yurimoto, George D. Cody Meteoritics & Planetary ScienceVersion of Record online: 09 March 2021 LINK “The large variations in hydrogen isotope ratios found in insoluble organic…
Visible-infrared spectroscopy of ungrouped and rare meteorites brings further constraints on meteorite-asteroid connectionsOPEN ACCESS
L. Krämer Ruggiu, P. Beck, J. Gattacceca, J. Eschrig IcarusIn Press, Journal Pre-proof, Available online 1 March 2021 LINK Update (6 May 2021): PDF (OPEN ACCESS) “The composition of asteroids gives crucial insights into the…
Chromium isotopic insights into the origin of chondrite parent bodies and the early terrestrial volatile depletion
Ke Zhu 朱柯, Frédéric Moynier, Martin Schiller, Conel M. O’D. Alexander, Jemma Davidson, Devin L. Schrader, Elishevah van Kooten, Martin Bizzarro Geochimica et Cosmochimica ActaAvailable online 27 February 2021 LINK “Chondrites are meteorites from undifferentiated…
Micro-distribution of Oxygen Isotopes in Unequilibrated Enstatite Chondrites
Michael K. Weisberg, Noriko T. Kita, Kohei Fukuda, Guillaume Siron, Denton S.Ebel Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 25 February 2021 LINK “We report petrology and high precision, in situ oxygen isotope…
Oxygen isotope systematics of chondrules in the Paris CM2 chondrite: indication for a single large formation region across snow line
Noël Chaumard, Céline Defouilloy, Andreas T. Hertwig, Noriko T. Kita Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 February 2021 LINK “In-situ oxygen three-isotope analyses of chondrules and isolated olivine grains in the…
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….
Evaluating the O‐Cr‐Mo isotope signatures in various meteorites representing core–mantle–crust fragments: Implications for partially differentiated planetesimal(s) accreted in the early outer solar system
Arshad Ali, Iffat Jabeen Meteoritics & Planetary ScienceVersion of Record online: 07 February 2021 LINK “The Allende, Eagle Station pallasites (ESP), some ungrouped achondrites (UA), and ungrouped irons (UI) represent different types of meteorites; these…
A Study of Chromium and Silicon Nitrides in Carbonaceous Chondrites
Leitner J., Vollmer C., Harries D., Kodolányi J., Ott U., et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1878 PDF “We identified Si3N4 and CrN in metal-sulfide grains in a set of carbonaceous…
Hydrothermal Ammoniation of Chondrites: Implications for Ceres
Izawa M. R. M., Koutoula E., Stancu M.-N., Yamashita S., Okuchi T. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2247 PDF “Hydrothermal reactions between carbonaceous chondrites and ammonia-water solutions do not produce…
Stalking a Large Carbonaceous Chondrite Asteroid Using ε54Cr-Δ17O Isotope Systematics of the Unique Xenolith Almahata Sitta 202
Miller A. M., Dey S., Yin Q.-Z., Goodrich C. A., Hamilton V. E., et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2360 PDF “Xenolithic clast, unique among the regolith: Who was your parent?”
Constraints on the Ice Composition of Carbonaceous Chondrites
Sridhar N., Bryson J. F. J., King A. J., Harrison R. J. 52nd Lunar and Planetary Science Conference (2021), Abstract #1095 PDF “Compared to the CO and CM chondrites, magnetic measurements indicate that the CI…
Oxygen Isotope Reservoirs in the Solar Nebula
Mane P., Desch S. J., Dunham E. T., Williams C. D. 52nd Lunar and Planetary Science Conference 2021, abstract #2566 PDF
The Structure and Accretionary History of the CVox Parent Body Constrained from the Magnetization of Kaba
K. H. Dodds, Bryson J. F. J., Neufeld J. A., Harrison R. J. 52nd Lunar and Planetary Science Conference (2021), Abstract #2133 PDF “The magnetization of some CVox meteorites suggests their parent body was partially…
A CV Chondrite Clast in a CK Chondrite?
T. L. Dunn, Robak K. N., Gross J. 52nd Lunar and Planetary Science Conference (2021), Abstract #1063 PDF
Short Cosmic-Ray Exposure Ages of CI and CM Chondrites May Reflect Disintegration of Volatile-Rich Asteroids at Perihelion
E. R. D. Scott, Herzog G. F. 52nd Lunar and Planetary Science Conference (2021), Abstract #1833 PDF “Dark, volatile-rich asteroids seem to disintegrate near the Sun. This may explain why CM and CI chondrites have…
Do Water-Rich Carbonaceous Chondrites and the NEA Ryugu Share a Common Parent Body?
W. Neumann, Grott M., Trieloff M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1852 PDF “Properties of CI and CM parent bodies are investigated by fitting the carbonate formation temperature and age data with…
Evidence for Extraterrestrial L-Amino Acid Excesses in the CM2 Aguas Zarcas and Murchison Meteorites: Predictions for Ryugu and Bennu
Glavin D. P., Elsila J. E., McLain H. L., Aponte J. C., Parker E. T. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1086 PDF “We report the detection of extraterrestrial L-amino acids…
Abiotic Synthesis of Organic Matter in Aqueous Environments Simulating Parent Bodies of Meteorites and the Effects of Minerals on the Production of Amino Acids
W. Elmasry, Kebukawa Y., Shibuya T., Kobayashi K. 52nd Lunar and Planetary Science Conference (2021), Abstract #1775 PDF “Minerals affected the formation of amino acids in aqueous environments in small solar system bodies and that…
Parent Body Processing in CR Chondrites Recorded by Noble Gases
H. Busemann, Schrader D. L., Alexander C. M. O’D., Spring N. H., Kuga M. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2718 PDF “Noble gases measured in a large number of CR…
Hydrogen Content in Chondrules of CM Chondrites: Influence of Aqueous Alteration or Preaccretional Heritage?
S. Azevedo-Vannson, Remusat L., Piani L., Pont S., Roskosz M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1867 PDF “Ion probe reveals high H content in NAMs of chondrules in Paris and Aguas Zarcas…
Petrology and Oxygen Isotopic Composition of Two Different Ungrouped Highly Magnesian, Reduced Ultramafic Achondrites (Northwest Africa 11562/12969 and Northwest Africa 13307): More Samples from Unknown Parent Bodies
A. J. Irving, Carpenter P. K., Ziegler K. 52nd Lunar and Planetary Science Conference (2021), Abstract #2244 PDF “We describe unusual highly magnesian, reduced harzburgitic, and websteritic achondrites which differ significantly from the more well-known…
Hydrogen Isotopic Composition of Water in the Ungrouped Carbonaceous Chondrite Tagish Lake
L. G. Vacher, Ogliore R. C., Liu N. 52nd Lunar and Planetary Science Conference (2021), Abstract #2528 PDF “We evaluate the δD value of the water in Tagish Lake (TL) from in-situ Si/H and δD…
Round up the unusual suspects: Near-Earth Asteroid 17274 (2000 LC16) a plausible D-type parent body of the Tagish Lake meteorite
Gordon M. Gartrelle, Paul S. Hardersen, Matthew R.M. Izawa, Matthew C. Nowinski IcarusIn Press, Journal Pre-proof, Available online 6 February 2021 LINK “Highlights • Spectral, visual, mathematical and Shkuratov radiative transfer analyses have determined near-Earth…
Clast Populations Within the CM2.2 Brecciated Carbonaceaous Chondrite Aguas Zarcas: Implications for Understanding Aqueous Alteration on Ryugu
Clast Populations Within the CM2.2 Brecciated Carbonaceaous Chondrite Aguas Zarcas: Implications for Understanding Aqueous Alteration on Ryugu P. M. C. Martin, Lee M. R. 52nd Lunar and Planetary Science Conference (2021), Abstract #2068 “Petrological characterization…
Meteoritic amino acids as chemical tracers of parent body chemistries
Y Ellinger, M Lattelais, F Pauzat, J-C Guillemin, B Zanda Monthly Notices of the Royal Astronomical Society, stab217 LINK “The analysis of the organic matter of meteorites made it possible to identify over 70 amino…
The aqueous alteration of CM chondrites, a review
M.D. Suttle, A.J. King, P.F. Schofield, H.Bates, S.S. Russell Geochimica et Cosmochimica ActaAvailable online 2 February 2021 LINK “The CM chondrites are samples of primitive water-rich asteroids formed during the early solar system. They record…
Primordial porous structure of chondrite parent bodies due to self-gravityOPEN ACCESS
Tomomi Omura, Akiko M. Nakamura Accepted for publication in The Planetary Science Journal PDF (OPEN ACCESS) “The porosity of an asteroid is important when studying the evolution of our solar system through small bodies and…
CM carbonaceous chondrite falls and their terrestrial alterationOPEN ACCESS
Martin R. Lee, Luke Daly, Cameron Floyd, Pierre‐Etienne Martin Meteoritics & Planetary ScienceVersion of Record online: 18 January 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The CM carbonaceous chondrites provide unique insights into the composition of…
Synthesis of Organic Matter in Aqueous Environments Simulating Small Bodies in the Solar System and the Effects of Minerals on Amino Acid FormationOPEN ACCESS
Walaa Elmasry, Yoko Kebukawa, and Kensei Kobayashi Life 2021, 11(1), 32 LINK (OPEN ACCESS)PDF (DOWNLOAD) “The extraterrestrial delivery of organics to primitive Earth has been supported by many laboratory and space experiments. Minerals played an…
The effects of terrestrial weathering on samarium‑neodymium isotopic composition of ordinary chondritesOPEN ACCESS
Hamed Pourkhori, Vinciane Debaille, Rosalind M.G. Armytage, Matthias van Ginneken, Pierre Rochette, Jérôme Gattacceca Chemical GeologyAvailable online 4 January 2021 LINK PDF (OPEN ACCESS) Submitted: 13 January 2021 “Following their fall to Earth, meteorites experience…
Meteoritic evidence for a Ceres-sized water-rich carbonaceous chondrite parent asteroid
V. E. Hamilton, C. A. Goodrich, A. H. Treiman, H. C. Connolly Jr, M. E. Zolensky & M. H. Shaddad Nature Astronomy (2020)Published: 21 December 2020 LINK “Carbonaceous chondrite meteorites record the earliest stages of…
Nature of bright C-complex asteroidsOPEN ACCESS
Sunao Hasegawa, Toshihiro Kasuga, Fumihiko Usui, Daisuke Kuroda accepted for publication in PASJ PDF (OPEN ACCESS) “Most C-complex asteroids have albedo values less than 0.1, but there are some high-albedo (bright) C-complex asteroids with albedo…
Mineralogy and Spectroscopy (Visible Near Infrared and Fourier Transform Infrared) of Mukundpura CM2: Implications for asteroidal aqueous alteration
S. Baliyan, H. Moitra, S. Sarkar, D. Ray, D.K. Panda, A.D. Shukla, S. Bhattachary, S. Gupta GeochemistryIn Press, Journal Pre-proof, Available online 14 December 2020 LINK “We report the textures, mineralogy and mineral chemistry of…
A reclassification of Northwest Africa 2900 from CV3 to CK3 chondrite
Zachary A. Torrano, Jemma Davidson, Meenakshi Wadhwa Meteoritics & Planetary ScienceVersion of Record online: 29 November 2020 LINK “The similarities between CV and CK chondrites are so substantial that some studies have argued for a…
Early solar system aqueous activity: K isotope evidence from Allende
Yun Jiang, Piers Koefoed, Olga Pravdivtseva, Heng Chen, Chun‐Hui Li, Fang Huang, Li‐Ping Qin, Jia Liu, Kun Wang Meteoritics & Planetary ScienceVersion of Record online: 24 November 2020 LINK “The alkali element K is moderately…
Evidence for the presence of chondrule‐ and CAI‐derived material in an isotopically anomalous Antarctic micrometeorite
Bastien Soens, Martin D. Suttle, Ryoga Maeda, Frank Vanhaecke, Akira Yamaguchi, Matthias Van Ginneken, Vinciane Debaille, Philippe Claeys, Steven Goderis Meteoritics & Planetary ScienceVersion of Record online: 24 November 2020 LINK “We report the discovery…
A primordial 15N-depleted organic component detected within the carbonaceous chondrite MariboOPEN ACCESS
Christian Vollmer, Jan Leitner, Demie Kepaptsoglou, Quentin M. Ramasse, Ashley J. King, Paul F. Schofield, Addi Bischoff, Tohru Araki & Peter Hoppe Scientific Reports 10 , 1–9 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report on…
The aqueous alteration of GEMS-like amorphous silicate in a chondritic micrometeorite by Antarctic water
M.D. Suttle, L. Folco, M.J. Genge, I.A. Franchi, F. Campanale, E. Mugnaioli, X. Zhaoe Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 17 November 2020 LINK “We analysed the heterogenous fine-grained (sub-μm) matrix of…
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…
In-situ water-immersion experiments on amorphous silicates in the MgO–SiO2 system: implications for the onset of aqueous alteration in primitive meteorites
Yohei Igami, Akira Tsuchiyama, Tomoya Yamazaki, Megumi Matsumoto, Yuki Kimura Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 October 2020 LINK “Amorphous silicates, abundant in primitive carbonaceous chondrites, are among the most primitive…
Microporosity and parent body of the rubble-pile NEA (162173) RyuguOPEN ACCESS
Wladimir Neumann, Matthias Grott, Mario Trieloff, Ralf Jaumann, Jens Biele, Maximilian Hamm, Ekkehard Kührt IcarusIn press, journal pre-proof, Available online 24 October 2020 LINK PDF (OPEN ACCESS) “Highlights • We investigate the porosity for ice-rich…
The old, unique C1 chondrite Flensburg – insight into the first processes of aqueous alteration, brecciation, and the diversity of water-bearing parent bodies and lithologiesOPEN ACCESS
Addi Bischoff, Conel M. O’D Alexander, Jean-Alix Barrat, Christoph Burkhardt, Henner Busemann, Detlev Degering, Tommaso Di Rocco, Meike Fischer, Thomas Fockenberg, Dionysis I. Foustoukos Jérôme Gattacceca, Jose R. A. Godinho, Dennis Harries, Dieter Heinlein, Jan…
Oxygen isotopic heterogeneity in the early Solar System inherited from the protosolar molecular cloudOPEN ACCESS
Alexander N. Krot, Kazuhide Nagashima, James R. Lyons, Jeong-Eun Lee, Martin Bizzarro Science Advances 16 Oct 2020:Vol. 6, no. 42, eaay2724DOI: 10.1126/sciadv.aay2724 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Sun is 16O-enriched (Δ17O = −28.4 ±…
Mineralogical and oxygen isotopic study of a new ultrarefractory inclusion in the Northwest Africa 3118 CV3 chondrite
Yong Xiong, Ai‐Cheng Zhang, Noriyuki Kawasaki, Chi Ma, Naoya Sakamoto, Jia‐Ni Chen, Li‐Xin Gu, Hisayoshi Yurimoto Meteoritics & Planetary ScienceVersion of Record online: 14 October 2020 LINK “Calcium‐aluminum‐rich inclusions (CAIs) are the first solid materials…
Bright carbonate veins on asteroid (101955) Bennu: Implications for aqueous alteration history
H. H. Kaplan, D. S. Lauretta, A. A. Simon, V. E. Hamilton, D. N. DellaGiustina, D. R. Golish, D. C. Reuter, C. A. Bennett, K. N. Burke, H. Campins, H. C. Connolly Jr., J. P….
The formation of H2O and Si-OH by H2+ irradiation in major minerals of carbonaceous chondrites
Yusuke Nakauchi, Masanao Abe, Makiko Ohtake, Toru Matsumoto, Akira Tsuchiyama, Kohei Kitazato, Keisuke Yasuda, Kohtaku Suzuki, Yoshinori Nakata IcarusIn Press, Journal Pre-proof, Available online 3 October 2020 LINK “Highlights • We report the spectral modification…
The nature of the CM parent asteroid regolith based on cosmic ray exposure ages
Michael E. Zolensky, Atsushi Takenouchi, Takashi Mikouchi, Timothy Gregory, Kunihiko Nishiizumi, Marc W. Caffee, Michael A. Velbel, Daniel K. Ross, Andrew Zolensky, Loan Le, Naoya Imae, Akira Yamaguchi Meteoritics & Planetary ScienceVersion of Record online:30…
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…
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…
Oxygen isotope study of the Asuka-881020 CH chondrite I: Non-porphyritic chondrules
Daisuke Nakashima, Makoto Kimura, Kouichi Yamada, Takaaki Noguchi, Takayuki Ushikubo, Noriko Kita Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 16 September 2020 LINK “We measured oxygen isotope ratios and major elemental compositions of…
Low-phase spectral reflectance and equivalent “geometric albedo” of meteorites powdersOPEN ACCESS
P. Beck, B. Schmitt, S. Potin, A. Pommerol, O. Brissaud IcarusAvailable online 1 September 2020, 114066 LINK Update (23 September 2020): PDF (OPEN ACCESS) “Highlights • Reflectance spectra of 72 different meteorite are obtained low…
Abundant extraterrestrial amino acids in the primitive CM carbonaceous chondrite Asuka 12236
Daniel P. Glavin, Hannah L. McLain, Jason P. Dworkin, Eric T. Parker, Jamie E. Elsila, José C. Aponte, Danielle N. Simkus, Chad I. Pozarycki, Heather V. Graham, Larry R. Nittler, Conel M.O’D. Alexander Meteoritics &…
Impact-driven mobilization of deep crustal brines on dwarf planet Ceres
C. A. Raymond, A. I. Ermakov, J. C. Castillo-Rogez, S. Marchi, B. C. Johnson, M. A. Hesse, J. E. C. Scully, D. L. Buczkowski, H. G. Sizemore, P. M. Schenk, A. Nathues, R. S. Park,…
Fresh emplacement of hydrated sodium chloride on Ceres from ascending salty fluids
M. C. De Sanctis, E. Ammannito, A. Raponi, A. Frigeri, M. Ferrari, F. G. Carrozzo, M. Ciarniello, M. Formisano, B. Rousseau, F. Tosi, F. Zambon, C. A. Raymond & C. T. Russell Nature Astronomy, Volume…
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…
