Paleomagnetic evidence for a disk substructure in the early solar systemOPEN ACCESS
Cauê S. Borlina, Benjamin P. Weiss, James F. J. Bryson, Xue-Ning Bai, Eduardo A. Lima, Nilanjan Chatterjee, and Elias N. Mansbach Science Advances15 Oct 2021, Vol 7, Issue 42 LINK (OPEN ACCESS)PDF (OPEN ACCESS)Supplementary Materials…
GAUSS – genesis of asteroids and evolution of the solar systemOPEN ACCESS
A sample return mission to Ceres Xian Shi, Julie Castillo-Rogez, Henry Hsieh, Hejiu Hui, Wing-Huen Ip, Hanlun Lei, Jian-Yang Li, Federico Tosi, Liyong Zhou, Jessica Agarwal, Antonella Barucci, Pierre Beck, Adriano Campo Bagatin, Fabrizio Capaccioni,…
Earth’s accretion inferred from iron isotopic anomalies of supernova nuclear statistical equilibrium originOPEN ACCESS
Timo Hopp, Nicolas Dauphas, Fridolin Spitzer, Christoph Burkhardt, Thorsten Kleine Accepted for publication in Earth and Planetary Science Letters PDF (OPEN ACCESS) Update (10 November 2021):Earth and Planetary Science LettersVolume 577, 1 January 2022LINK “Highlights…
New Multielement Isotopic Compositions of Presolar SiC Grains: Implications for Their Stellar Origins
Nan Liu, Jens Barosch, Larry R. Nittler, Conel M. O’D. Alexander, Jianhua Wang, Sergio Cristallo, Maurizio Busso, and Sara Palmerini The Astrophysical Journal Letters, Volume 920, Number 1 LINK “We report NanoSIMS Si and Mg–Al…
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…
Complementary nucleosynthetic isotope anomalies of Mo and W in chondrules and matrix in the Allende carbonaceous chondrite: The case for hydrothermal metamorphism and its implications
Ian S. Sanders, Edward R. D. Scott Meteoritics & Planetary ScienceVersion of Record online: 07 October 2021 LINK “The remarkable complementary isotopic relationship in the Allende chondrite between chondrules (depleted in s-process molybdenum and tungsten)…
Physical Characterization of Metal-rich Near-Earth Asteroids 6178 (1986 DA) and 2016 ED85OPEN ACCESS
Juan A. Sanchez, Vishnu Reddy, William F. Bottke, Adam Battle, Benjamin Sharkey, Theodore Kareta, Neil Pearson and David C. Cantillo The Planetary Science Journal, Volume 2, Number 5 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Metal-rich near-Earth…
Sulfur abundances and isotopic compositions in bulk carbonaceous chondrites and insoluble organic material: Clues to elemental and isotopic fractionations of volatile chalcophiles
Conel M.O’D. Alexander, Jonathan G. Wynn, Roxane Bowden Meteoritics & Planetary ScienceVersion of Record online: 26 September 2021 LINK “The bulk S elemental abundances and δ34S values for 83 carbonaceous chondrites (mostly CMs and CRs)…
Isotope Dichotomy from Solar Protoplanetary Disk Processing of 150Nd-rich Stellar EjectaOPEN ACCESS
Nikitha Susan Saji, Martin Schiller, Jesper Christian Holst, and Martin Bizzarro The Astrophysical Journal Letters, Volume 919, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We use high-precision neodymium isotope data for sequentially acid-leached components of…
Miller Range 07687 and its place within the CM-CO clanOPEN ACCESS
Trygve Prestgard, Lydie Bonal, Jolantha Eschrig, Jérôme Gattacceca, Corinne Sonzogni, Pierre Beck Meteoritics & Planetary ScienceVersion of Record online: 16 September 2021 LINK PDF (OPEN ACCESS) “Miller Range (MIL) 07687 is a peculiar carbonaceous chondrite…
Thermal history of matrix forsterite grains from Murchison based on high-resolution tomographyOPEN ACCESS
Giulia Perotti, Henning O. Sørensen, Henning Haack, Anja C. Andersen, Dario Ferreira Sanchez, Elishevah M. M. E. van Kooten, Esther H. R. Tsai, Kim N. Dalby, Mirko Holler, Daniel Grolimund, Tue Hassenkam accepted for publication…
Spectral and mineralogical alteration process of naturally-heated CM and CY chondrites
M. Matsuoka, T.Nakamura, N. Miyajima, T.Hiroi, N. Imae, A.Yamaguchi Geochimica et Cosmochimica ActaAvailable online 6 September 2021 LINK “Spectral and mineralogical analyses were performed using nine naturally hydrated and dehydrated carbonaceous chondrite samples which were…
Cathodoluminescence, Raman and scanning electron microscopy with energy dispersion system mapping to unravel the mineralogy and texture of an altered Ca-Al-rich inclusion in Renazzo CR2 carbonaceous chondriteOPEN ACCESS
Mario Tribaudino, Danilo Bersani, Luciana Mantovani, Mattia Pizzati, Giancarlo Salviati Journal of Raman SpectroscopyFirst published: 05 September 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “An altered fluffy type A Ca-Al-rich inclusion in the CR2 Renazzo carbonaceous…
Noble gases and nitrogen in CV3 chondrite Bukhara
Ramakant R. Mahajan, Shuhrat A. Ehgamberdiev, Sekhar Naik Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 1 September 2021 LINK “Highlights • Noble gas and nitrogen isotopic were studied in CV3 chondrite Bukhara.• We…
Heterogeneity within refractory organic matter from CM2 Carbonaceous Chondrites: Evidence from Raman spectroscopy
Christian Potiszil, Wren Montgomery, Mark A. Sephton Earth and Planetary Science LettersVolume 574, 15 November 2021, 117149 LINK “Highlights • The refractory organic matter Raman response is indistinct from bulk meteorite.• Meteorite refractory organic matter…
Impact plume-formed and protoplanetary disk high-temperature components in CB and CH metal-rich carbonaceous chondrites
Alexander N. Krot, Michail I. Petaev, Kazuhide Nagashima, Elena Dobrică, Brandon C. Johnson, Melissa D. Cashion Meteoritics & Planetary Science LINK “We report on the mineralogy, petrology, and oxygen isotopic compositions of ferroan olivine–pyroxene-normative cryptocrystalline…
The Sn isotope composition of chondrites: implications for volatile element depletion in the Solar System
Xueying Wang, Caroline Fitoussi, Bernard Bourdon, Kevin Righter, Quentin Amet Geochimica et Cosmochimica ActaAvailable online 19 August 2021 LINK “The origin of volatile element depletion in terrestrial planets and meteorites relative to a solar composition…
Water-susceptible primordial noble gas components in less-altered CR chondrites: A possible link to cometary materials
Tomoya Obase, Daisuke Nakashima,Jisu Choi, Yuma Enokido, Megumi Matsumoto, Tomoki Nakamura Geochimica et Cosmochimica ActaAvailable online 19 August 2021 LINK “We report detailed characterizations of the petrology, mineralogy, and noble gas signatures of Renazzo-type (CR)…
Using Meteorite Magnetism to Understand the History of Our Solar System: A Decade of Progress and Upcoming ChallengesOPEN ACCESS
Claire I. O. Nichols AGU AdvancesViewpointFirst published: 17 August 2021 This article is a companion to Fu et al. (2021), https://doi.org/10.1029/2021AV000486. LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points High spatial and magnetic moment sensitivity microscopy…
The Fine-Scale Magnetic History of the Allende Meteorite: Implications for the Structure of the Solar NebulaOPEN ACCESS
Roger R. Fu, Michael W. R. Volk, Dario Bilardello, Guy Libourel, Geoffroy R. J. Lesur, Oren Ben Dor AGU AdvancesFirst published: 17 August 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Magnetic fields in the early solar…
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…
Volatility of Sodium in Carbonaceous Chondrites at Temperatures Consistent with Low-perihelion AsteroidsOPEN ACCESS
Joseph R. Masiero, Björn J. R. Davidsson, Yang Liu, Kelsey Moore and Michael Tuite The Planetary Science Journal, Volume 2, Number 4 LINK (OPEN ACCESS)PDF (OPEN ACCESS) PDF (OPEN ACCESS) “Solar system bodies with surface…
The composition of CI chondrites and their contents of chlorine and bromine: Results from instrumental neutron activation analysisOPEN ACCESS
H. Palme, J. Zipfel Meteoritics & Planetary ScienceVersion of Record online: 30 July 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Between 1973 and 1994, 15 samples of CI chondrites were analyzed by neutron activation analysis at…
The Reflectance Spectra of CV-CK Carbonaceous chondrites from the Near Infrared to the VisibleOPEN ACCESS
Safoura Tanbakouei, J.M. Trigo-Rodriquez, J. Llorca, C.E. Moyano-Cambero, I.P. Williams, A.S. Rivkin Accepted for publication in MNRAS on July 19th, 2021 PDF (OPEN ACCESS) LINK “Carbonaceous chondrite meteorites are so far the only available samples…
Trace Elemental Behavior in the Solar Nebula: Synchrotron X-ray Fluorescence Analyses of CM and CR Chondritic Iron Sulfides and Associated MetalOPEN ACCESS
S.A. Singerling, S.R. Sutton, A. Lanzirotti, M. Newville, A.J. Brearley Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 24 July 2021 LINK PDF (OPEN ACCESS) “We have performed a coordinated focused ion beam (FIB)-scanning…
Organic matter in carbonaceous chondrite lithologies of Almahata Sitta: Incorporation of previously unsampled carbonaceous chondrite lithologies into ureilitic regolith
Yoko Kebukawa, Michael. E. Zolensky, Cyrena A. Goodrich, Motoo Ito, Nanako O. Ogawa, Yoshinori Takano, Naohiko Ohkouchi, Kento Kiryu, Motoko Igisu, Takazo Shibuya, Matthew A. Marcus, Takuji Ohigashi, James Martinez, Yu Kodama, Muawia H. Shaddad,…
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,…
Dark Primitive Asteroids Account for a Large Share of K/Pg-Scale Impacts on the EarthOPEN ACCESS
David Nesvorny, William F. Bottke, Simone Marchi Icarus PDF (OPEN ACCESS) LINK (Update: 15 July 2021) “Highlights • We develop a dynamical model for large near-Earth asteroids to understand the occurrence rate and nature of…
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,…
Oxygen and Al-Mg isotopic constraints on cooling rate and age of partial melting of an Allende Type B CAI, Golfball
Noriyuki Kawasaki, Shoichi Itoh, Naoya Sakamoto, Steven B. Simon, Daiki Yamamoto, Hisayoshi Yurimoto Meteoritics & Planetary ScienceVersion of Record online: 07 July 2021 LINK “Coarse-grained, igneous Ca-Al-rich inclusions (CAIs) in CV chondrites formed through multiple…
Fingerprinting the Cretaceous-Paleogene boundary impact with Zn isotopesOPEN ACCESS
Ryan Mathur, Brandon Mahan, Marissa Spencer, Linda Godfrey, Neil Landman, Matthew Garb, D. Graham Pearson, Sheng-Ao Liu & Francisca E. Oboh-Ikuenobe Nature Communications volume 12, Article number: 4128 (2021)Published: 05 July 2021 LINK (OPEN ACCESS)PDF…
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,…
UV-visible-infrared spectral survey of Antarctic carbonaceous chondrite chips
T.Hiroi, H. Kaiden, N. Imae, K. Misawa, H. Kojima, S. Sasaki, M. Matsuoka, T. Nakamura, D.L. Bish, K. Ohtsuka, K.T. Howard, K.R. Robertson, R.E. Milliken Polar ScienceAvailable online 29 June 2021 LINK “Antarctic carbonaceous chondrite…
Northwest Africa (NWA) 12563 and ungrouped C2 chondrites: Alteration styles and relationships to asteroidsOPEN ACCESS
P.-M. Zanetta, B. Zanda, C.Le Guillou, J. Gattacceca, C. Sognzoni, S. Pont, L. Piani, T. Rigaudier, H. Leroux, R. Brunetto, R. Maupin, Z. Djouadi, S. Bernard, D. Deldicque, V. Malarewicz, Z. Dionnet, A. Aléon-Toppani, A….
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…
Microscale H, C, and N Isotopic Distributions in Three Pristine CM Chondrites
Nittler L. R., Alexander C. M. O’D., Verdier-Paoletti M. J. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6063) PDF In 3 CM rocks / H, C, and N isotopes / Huge diversity.
The Conspicuous Compound Chondrule-CAI Conundrum: A Case Study Within the Brecciated CM2.2 Lithology of the Carbonaceous Breccia Aguas Zarcas
Martin P. M. C., Lee M. R. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6190) PDF Discovery of a new Compound Chondrule-CAI (CCCAI) within the brecciated CM2.2 lithology of the carbonaceous breccia…
Thermal History and Structure of the Tafassite Parent Body
Neumann W. *, Ma N., Neri A., Schwarz W. H., Ludwig T., Trieloff M., Klahr H., Bouvier A. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6153) PDF We identified a first group…
A Temporal Shift of Chondrule Generation from the Inner to Outer Solar System
84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6030) PDF The Al-Mg ages of chondrules from pristine CM and CO chondrites are systematically younger than those of the majority of ordinary chondrite chondrules,…
The Non-Complementary Compositions of Chondrules and Matrices in CO, CM and CR Chondrites
Patzer A., Bullock E. S., Alexander C. M. O’D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6025) PDF Our results are inconsistent with chondrule-matrix complementarity but in line with the four-component model…
A Xenolith from an Early Formed Parent Body in the CM Carbonaceous Chondrite LaPaz Icefield 02239
Lee M. R., Martin P. M. C., Floyd C. J., Jenkins L. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6176) PDF Why do so few xenoliths in CM carbonaceous chondrites have a…
Geochemical Characterization of Mukundpura Carbonaceous Chondrite (CM2): Insights into Planetary Processes
Dutta A., Raychaudhuri D., Mishra M., Ram R., Bhattacharya A. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6106) PDF Partitioning of different trace elements and REEs among the various silicate phases, in…
Mean Atomic Weight, Grain Density, and Porosity of Flensburg Unique Carbonaceous Condrite
Szurgot M. A. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6006) PDF Mean atomic weight (Amean), grain density (dgr) and porosity of Flensburg unique carbonaceous chondrite were determined. It was shown that…
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…
Spectroscopic Investigation of Ungrouped Carbonaceous Chondrites
Yesiltas M., Kebukawa Y., Zolensky M. E., Fries M., Glotch T. D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6098) PDF We present detailed spectroscopic and imaging data on multiple C2-ung chondrites…
Silicate Minerals in CM Carbonaceous Chondrites Murchison and Aguas Zarcas
Bose M., Hahn T. M. Jr., Jin Z. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6078) PDF Silicate minerals in Aguas Zarcas has elevated hydrogen isotopic ratios compared to Murchison. Isolated olivines…
FTIR Spectroscopy and X-CT Characterization of the New CM Aguas Zarcas
Dionnet Z., Aléon-Toppani A., Rubino S., Suttle M. D., Lantz C., Grieco F., Baklouti D., Djouadi Z., Rotundi A., Scheel M., Borondics F., Heripre E., Avdellidou C., Brunetto R. 84th Annual Meeting of The Meteoritical…
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).
Identification of Clasts in CM Chondrite Fall Kolang with S and Ca
Jenkins L. E., Lee M., Daly L., King A. J., Chung P. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6161) PDF Clasts experienced / Alteration with fluids / Of varied makeups.
Post-Brecciation Chondrule Flattening and Petrofabric Formation in CM Chondrite Kolang
Jenkins L. E., Lee M., Daly L., King A. J., Chung P. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6165) PDF Petrofabrics and / Flattened chondrules shared among / The clasts of…
Organic Compounds in the Tarda C2 Ungrouped Carbonaceous Chondrite: MTBSTFA as a One-Pot Extraction Technique
84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6116) PDF In our study we employed MTBSTFA to identify organic compounds in the Tarda C2 ungrouped carbonaceous chondrite and characterize the performance of this…
Alteration of Carbonate in the Aguas Zarcas and Tarda Carbonaceous Chondrites
Hicks L. J., Bridges J. C. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6157) PDF In this study of Aguas Zarcas and Tarda carbonaceous chondrites, we aim to constrain the history of…
Tarda an Unusual Carbonaceous Chondrite Meteorite Fall from Morocco
Chennaoui Aoudjehane H., Agee C. B., Ziegler K., Garvie L. A. J., Irving A., Sheikh D., Carpenter P. K., Zolensky M., Schmitt-Kopplin P., Trif L. 84th Annual Meeting of The Meteoritical Society 2021 (abstract #…
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…
A Possible Record of an Active Asteroid: Discovery of a Compact Lithology in the Aguas Zarcas CM Chondrite
Yang X., Hanna R. D., Davis A. M., Neander A. I., Heck P. R. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6075) PDF We found a previously unreported lithology of compact fragments…
Cosmic symplectite recorded irradiation by nearby massive stars in the solar system’s parent molecular cloud
Lionel G. Vacher, Ryan C. Ogliore, Clive Jones, Nan Liu, David A. Fike Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 25 June 2021 LINK “The Sun’s astrophysical birth environment affected the formation and…
Condensation and evaporation processes during CB chondrite formation: Insights from Ge isotopes and highly siderophile element abundances
Guillaume Florin, Béatrice Luais, Olivier Alard, Tracy Rushmer Meteoritics & Planetary ScienceVersion of Record online: 25 June 2021 LINK “We analyzed the highly siderophile element (HSE) contents and bulk Ge isotopic compositions of large metal…
Visible–near-infrared observations of organics and carbonates on (101955) Bennu: Classification method and search for surface context
S.M. Ferrone, B.E. Clark, H.H. Kaplan, J.-L. Rizos, X.-D. Zou, J.-Y. Li, M.A. Barucci, A.A. Simon, D. Reuter, P.H. Hasselmann, J.D.P. Deshapriya, G. Poggiali, J.R. Brucato, S. Cambioni, Ed Cloutis, V.E. Hamilton, D.S. Lauretta IcarusIn…
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…
Atomic-scale Evidence for Open-system Thermodynamics in the Early Solar NebulaOPEN ACCESS
Thomas J. Zega, Venkat Rao Manga, Fred Ciesla, Krishna Muralidharan, Keitaro Watanabe and Hiromi Inada The Planetary Science Journal, Volume 2, Number 3 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report a new integrated framework that…
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…
Extraterrestrial hydroxy amino acids in CM and CR carbonaceous chondrites
Toshiki Koga, Eric T. Parker, Hannah L. McLain, José C. Aponte, Jamie E. Elsila, Jason P. Dworkin, Daniel P. Glavin, Hiroshi Naraoka Meteoritics & Planetary ScienceVersion of Record online: 11 June 2021 LINK “The abundances,…
Chiroptical activity of hydroxycarboxylic acids with implications for the origin of biological homochiralityOPEN ACCESS
Jana Bocková, Nykola C. Jones, Uwe J. Meierhenrich, Søren V. Hoffmann & Cornelia Meinert Communications Chemistry, Volume 4, Article number: 86 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Circularly polarised light (CPL) interacting with interstellar organic…
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…
An evolutionary condensation sequence revealed by mineralogically-distinct nodules in fine-grained, spinel-rich inclusions from CV3 chondrites: Implications for the genetic links between different types of non-igneous refractory inclusions
Shaofan Che, Adrian J. Brearley Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 8 June 2021 LINK “Fine-grained, spinel-rich inclusions (FGIs) are abundant in CV3 chondrites and exhibit textures and compositions that are consistent…
Chiral Selection, Isotopic Abundance Shifts, and Autocatalysis of Meteoritic Amino AcidsOPEN ACCESS
Michael A. Famiano, Richard N. Boyd, Takashi Onaka, Toshitaka Kajino to be published in Physical Review Research PDF (OPEN ACCESS) “The discovery of amino acids in meteorites has presented two clues to the origin of…
Nano-FTIR spectroscopic identification of prebiotic carbonyl compounds in Dominion Range 08006 carbonaceous chondriteOPEN ACCESS
Mehmet Yesiltas, Timothy D. Glotch & Bogdan Sava Scientific Reports 11 , 1–9, Published: 02 June 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Meteorites contain organic matter that may have contributed to the origin of life…
Evidence for protosolar graphene in Allende and QUE 94366 CV3 meteorites
Chaitanya Giri, Andrew Steele, Marc Fries Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 27 May 2021 LINK “Highlights o Nanoscale graphene is found embedded in refractory inclusions of two different CV3 meteorites, Allende…
Discovery in space of ethanolamine, the simplest phospholipid head groupOPEN ACCESS
Víctor M. Rivilla, Izaskun Jiménez-Serra, Jesús Martín-Pintado, Carlos Briones, Lucas F. Rodríguez-Almeida, Fernando Rico-Villas, Belén Tercero, Shaoshan Zeng, Laura Colzi, Pablo de Vicente, Sergio Martín, Miguel A. Requena-Torres Accepted in PNAS PDF (OPEN ACCESS) Update…
Origin of hydrogen isotopic variations in chondritic water and organicsOPEN ACCESS
Laurette Piani, Yves Marrocchi, Lionel G. Vacher, Hisayoshi Yurimoto, Martin Bizzarro Earth and Planetary Science LettersVolume 567, 1 August 2021 LINK Update (25 May 2021): PDF (OPEN ACCESS) “Highlights • The water D/H ratios are…
The Tarda Meteorite: A Window into the Formation of D-type AsteroidsOPEN ACCESS
Yves Marrocchi, Guillaume Avice, and Jean-Alix Barrat The Astrophysical Journal Letters, Volume 913, Number 1Published: 19 May 2021 PDF (OPEN ACCESS) LINK “Dynamic models of solar system evolution suggest that D-type asteroids formed beyond Saturn’s…
Study of Fischer-Tropsch Type reactions on chondritic meteoritesOPEN ACCESS
Victoria Cabedo, Jordi Llorca, Josep Maria Trigo-Rodríguez, Albert Rimola Accepted for publication in Astronomy and Astrophysics PDF (OPEN ACCESS) “How simple organic matter appeared on Earth and the processes by which it transformed into more…
Isotope Systematics of Presolar Silicate Grains: New Insights from Magnesium and Silicon
Peter Hoppe, Jan Leitner, János Kodolányi, and Christian Vollmer The Astrophysical Journal, Volume 913, Number 1 LINK “We report on Mg and Si isotope data of 86 presolar silicate grains identified through NanoSIMS oxygen ion…
The chemical composition and homogeneity of the Allende matrixOPEN ACCESS
M.B. Neuland, K. Mezger, A. Riedo, M. Tulej, P. Wurz Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 18 May 2021 LINK (OPEN ACCESS) “Highlights • The composition of the Allende meteorite matrix derived…
Constraints on Chondrule Generation, Disk Dynamics, and Asteroid Accretion from the Compositions of Carbonaceous Meteorites
James F. J. Bryson and Gregory A. Brennecka The Astrophysical Journal, Volume 912, Number 2 LINK The elemental and isotopic compositions of meteorites are expected to reflect several key processes that occurred in the early…
Constraining the Regolith Composition of Asteroid (16) Psyche via Laboratory Near-infrared SpectroscopyOPEN ACCESS
David C. Cantillo, Vishnu Reddy, Benjamin N.L. Sharkey, Neil A. Pearson, Juan A. Sanchez, Matthew R.M. Izawa, Theodore Kareta, Tanner S. Campbell, Om Chabra The Planetary Science Journal, Volume 2, Number 3, published 12 May…
A super‐refractory inclusion containing nonstoichiometric spinel from the CO3.0 chondrite Yamato 81020
Hisayoshi Yurimoto, Alan E. Rubin, Shoichi Itoh, John T. Wasson Meteoritics & Planetary ScienceVersion of Record online: 03 May 2021 LINK “We studied a unique super‐refractory inclusion with a core‐mantle structure from CO3.0 Yamato 81020…
Carbonate assemblages in Cold Bokkeveld CM chondrite reveal complex parent body evolutionOPEN ACCESS
Stefan Farsang, Ian A. Franchi, Xuchao Zhao, Timothy D. Raub, Simon A.T. Redfern, Monica M. Grady Meteoritics & Planetary ScienceVersion of Record online: 01 May 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The paragenesis of carbonates…
Synthesis of 13C-enriched amino acids with 13C-depleted insoluble organic matter in a formose-type reaction in the early solar systemOPEN ACCESS
Yoshihiro Furukawa, Yoshinari Iwasa, Yoshito Chikaraishi Science Advances, 28 Apr 2021:Vol. 7, no. 18, eabd3575 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Solvent-soluble organic matter (SOM) in meteorites, which includes life’s building molecules, is suspected to originate…
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…
In situ Si isotope and chemical constraints on formation and processing of chondrules in the Allende meteoriteOPEN ACCESS
Yogita Kadlag, Michael Tatzel, Daniel A. Frick, Harry Becker, Philipp Kühne Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 23 April 2021 LINK (OPEN ACCESS) “Chondrules in undifferentiated meteorites are former silicate melt droplets…
Discovery of primitive CO2-bearing fluid in an aqueously altered carbonaceous chondriteOPEN ACCESS
Akira Tsuchiyama, Akira Miyake, Satoshi Okuzumi, Akira Kitayama, Jun Kawano, Kentaro Uesugi, Akihisa Takeuchi, Tsukasa Nakano, Michael Zolensky Science Advances, 21 Apr 2021:Vol. 7, no. 17, eabg9707DOI: 10.1126/sciadv.abg9707 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials…
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…
Characterizing the spectral, microstructural, and chemical effects of solar wind irradiation on the Murchison carbonaceous chondrite through coordinated analyses
D.L. Laczniak, M.S. Thompson, R. Christoffersen, C.A. Dukes, S.J. Clemett, R.V. Morris, L.P. Keller IcarusIn Press, Journal Pre-proof, Available online 17 April 2021 LINK “Highlights • Solar wind irradiation of carbon-rich asteroids simulated using 1 keV/amu…
In search of Bennu analogs: Hapke modeling of meteorite mixturesOPEN ACCESS
F. Merlin, J. D. P. Deshapriya, S. Fornasier, M. A. Barucci, A. Praet, P. H. Hasselmann, B. E. Clark, V. E. Hamilton, A. A. Simon, D. C. Reuter, X.-D. Zou, J.-Y. Li, D. L. Schrader,…
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…
Testing models for the composition of chondrites and their components: I. CO chondrites
Andrea Patzer, Emma S. Bullock, Conel M. O’D.Alexander Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 16 April 2021 LINK “We present the first results of a comprehensive investigation aimed at testing the hypothesis…
Composition of terrestrial exoplanet atmospheres from meteorite outgassing experimentsOPEN ACCESS
Maggie A. Thompson, Myriam Telus, Laura Schaefer, Jonathan J. Fortney, Toyanath Joshi & David Lederman Nature Astronomy , 1–11 LINK PDF (OPEN ACCESS) “Terrestrial exoplanets likely form initial atmospheres through outgassing during and after accretion,…
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…
Origin of minerals in åkermanite-rich patch texture and oxygen isotopic evolution of compact Type A Ca-Al-rich inclusions from the Northwest Africa 7865 CV chondrite
UPDATE (29 August 2023): Corrigendum to “Origin of minerals in åkermanite-rich patch texture and oxygen isotopic evolution of compact Type A Ca-Al-rich inclusions from the Northwest Africa 7865 CV chondrite” [Geochim. Cosmochim. Acta 303 (2021)…
Speciation of organosulfur compounds in carbonaceous chondritesOPEN ACCESS
Alexander Zherebker, Yury Kostyukevich, Dmitry S. Volkov, Ratibor G. Chumakov, Lukas Friederici, Christopher P. Rüger, Alexey Kononikhin, Oleg Kharybin, Alexander Korochantsev, Ralf Zimmermann, Irina V. Perminova & Eugene Nikolaev Scientific Reports 11 , 1–13 LINK…
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…
Amino acid abundances and compositions in iron and stony‐iron meteorites
Jamie E. Elsila, Natasha M. Johnson, Daniel P. Glavin, José C. Aponte, Jason P. Dworkin Meteoritics & Planetary ScienceVersion of Record online: 25 March 2021 LINK “The organic compositions of carbonaceous chondrite meteorites have been…
Insoluble organic matter in chondrites: Archetypal melanin-like PAH-based multifunctionality at the origin of life?
Marco d’Ischia, Paola Manini, Zita Martins, Laurent Remusat, Conel M.O’D. Alexander, Cristina Puzzarini, Vincenzo Barone, Raffaele Saladino Physics of Life ReviewsAvailable online 18 March 2021 LINK “Highlights • The IOM in chondrites is remarkably similar…
Shape and porosity of refractory inclusions in CV3 chondrites: A micro‐computed tomography (µCT) study
Mingming Zhang, Brett Clark, Ashley J. King, Sara S. Russell, Yangting Lin Meteoritics & Planetary ScienceVersion of Record online:17 March 2021 LINK “Refractory calcium‐aluminum‐rich inclusions (CAIs) and amoeboid olivine aggregates (AOAs) in chondritic meteorites are…
Interactions between organic compounds and olivine under aqueous conditions: A potential role for organic distribution in carbonaceous chondrites
Keisuke Muneishi, Hiroshi Naraoka Meteoritics & Planetary ScienceVersion of Record online: 15 March 2021 LINK “Olivine is a principal anhydrous silicate mineral in chondritic meteorites. The structure of this mineral is composed of independent SiO4…
Hydrogen abundance estimation and distribution on (101955) Bennu
A. Praet, M.A. Barucci, B.E. Clark, H.H. Kaplan, A.A. Simon, V.E. Hamilton, J.P. Emery, E.S. Howell, L.F. Lim, X.-D. Zouh, J.-Y. Li, D.C. Reuter, F. Merlin, J.D.P. Deshapriya, S. Fornasier, P.H. Hasselmann, G. Poggiali, S….
Highly volatile element (H, C, F, Cl, S) abundances and H isotopic compositions in chondrules from carbonaceous and ordinary chondrites
Kei Shimizu, Conel M. O’D. Alexander, Erik H. Hauri, Adam R. Sarafian, Larry R. Nittler, Jianhua Wang, Steven D.Jacobsen, Ruslan A. Mendybaev Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 10 March 2021 LINK…
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…
WINCHCOMBE meteorite fall (CM2, ~601.9 grams, 9 masses) in Winchcombe, Woodmancote and Bishop’s Cleeve, Tewkesbury Borough, Gloucesteshire, UK on 28 February 2021 at 21.54:15.88 – 21.54.24.12 UT
Last update: 28 February 2023 A CM2 chondrite fell on the Wilcock family’s driveway in Winchcombe at location 51°57’04.4″N 1°58’32.5″W, Tewkesbury Borough, Gloucestershire, UK on 28 February 2021 at 21.54:15.88 – 21.54.24.12 UT. The Wilcock…
Hybrid accretion of carbonaceous chondrites by radial transport across the Jupiter barrierOPEN ACCESS
Elishevah van Kooten, Martin Schiller, Frederic Moynier, Anders Johansen, Troels Haugboelle, Martin Bizzarro The Astrophysical Journal, 2021, accepted after peer-review PDF (OPEN ACCESS) Update (26 March 2021): The Astrophysical Journal, Volume 910, Number 1 LINK…
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…
Molybdenum Isotope Dichotomy in Meteorites Caused by s-Process Variability
Thomas Stephan and Andrew M. Davis The Astrophysical Journal, Volume 909, Number 1Published: 1 March 2021 LINK “Molybdenum isotopes measured in most individual presolar silicon carbide grains are dominated by s-process contributions from the helium…
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…
Trace Element Conundrum of Natural QuasicrystalsOPEN ACCESS
Simone Tommasini, Luca Bindi, Maurizio Petrelli, Paul D. Asimow, and Paul J. Steinhardt ACS Earth Space Chem.Publication Date:February 25, 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS)Supporting information (Download) “We report laser ablation inductively coupled plasma mass…
Meteoritic Proteins with Glycine, Iron and LithiumOPEN ACCESS
Malcolm W. McGeoch, Sergei Dikler, Julie E. M. McGeoch PDF (OPEN ACCESS) see also similar text: Hemolithin: a Meteoritic Protein containing Iron and Lithium (22 February 2020) “We report that polymer amide [1] with a…
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…
Polyaromatic hydrocarbons in the Mukundpura (CM2) Chondrite
M.S. Kalpana, E.V.S.S.K. Babu, Devleena Mani, R.P. Tripathi, N. Bhandari Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 12 February 2021 LINK “Highlights • The first report of soluble PAHs of Mukundpura (MK) CM2.0…
Spectroscopic Investigation of the High-Pressure Behavior of Aliphatic Hydrocarbon: Implications for Planetary Processes
Spectroscopic Investigation of the High-Pressure Behavior of Aliphatic Hydrocarbon: Implications for Planetary Processes Abhisek Basu, Mainak Mookherjee, Christina Schiffert, Bianca Haberl, and Reinhard Boehler ACS Earth Space ChemistryPublication Date: February 10, 202 LINK “Octadecane (C18H38)…
Comparison of the Murchison CM2 and Allende CV3 chondrites
Kim V. Fendrich, Denton, S. Ebel Meteoritics & Planetary ScienceVersion of Record online:09 February 2021 LINK “The size, distribution, abundance, and physical and chemical characteristics of chondritic inclusions are key features that define the chondrite…
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…
Hydrated Minerals on B-class Asteroids
Rivkin A. S., Howell E. S., Emery J. P., Richardson M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1945 PDF “B is for Bennu.” / Is that good enough for you? / Spectra disagree.”
Constraints on Chondrule Generation, Disk Dynamics, and Asteroid Accretion from the Compositions of Carbonaceous Meteorites
Bryson J. F. J., Brennecka G. A. 52nd Lunar and Planetary Science Conference (2021), Abstract #1301 PDF “The compositions of CC chondrites and iron meteorites originate from mixing NC chondrite material, CAI material, and CI…
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…
Presolar Grain Abundance Variation in the Miller Range 090019 CO3.1 Chondrite
Nguyen A. N., Mane P., Ross D. K., Simon J. I. 52nd Lunar and Planetary Science Conference (2021), Abstract #2709 PDF “We determine a presolar O-rich grain abundance of 99ppm in MIL 090019 CO3.1. One…
The Detection of Aromatic Amino Acids in CR Chondrites Suggests They are Prebiotically Plausible
Burton A. S., Berger E. L., Fox A. C., Lee C. 52nd Lunar and Planetary Science Conference (2021), Abstract #1475 PDF “Aromatic amino acids are hard to make in the lab, but their presence as…
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?”
K Isotope Systematics of the CB Chondrite Gujba: Testing the Impact Plume Model of Formation
Koefoed P., Pravdivtseva O., Ogliore R., Jiang Y., Lodders K. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2310 PDF “High-precision K isotope analysis of chondrule and bulk fractions from the CB chondrite…
In Situ Constraints on the 60Fe Abundance in the Early Solar System
Kodolányi J., Hoppe P., Vollmer C. 52nd Lunar and Planetary Science Conference (2021), Abstract #1291 PDF “New NanoSIMS analyses of old chondrules (Al-Mg age: 1-2 million years after canonical CAIs) do not find significant in…
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…
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
Separate CAI Reservoirs for Allende (CV3) and Murchison (CM2)
D. S. Ebel, Fendrich K. V. 52nd Lunar and Planetary Science Conference (2021), Abstract #2311 PDF “Chemical compositions, textures, and sizes of CAIs reveal characteristic populations in CV and CM chondrites. With chondrule evidence, this…
Multiple CV Chondrule Precursors Originating from the Inner and Outer Solar System: Evidence from Cr-Ti-O Isotope Systematics of Allende Chondrules
K. Fukuda, Hibiya Y., Kastelle C. R., Suzuki K., Iizuka T. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1319 PDF “The large ranges of Cr-Ti-O isotope ratios among CV chondrules indicate that…
Micro-FTIR Imaging and Spectroscopy of Experimentally Space Weathered CM2 Chondrite Murchison
T. D. Glotch, Thompson M. S., Dukes C. A., Loeffler M. J. 52nd Lunar and Planetary Science Conference (2021), Abstract #2004 PDF “Space weathered chondrite: / Micro-infrared data / Show lots of changes.”
Initial 244Pu/238U Ratios and Search for Presolar SiC in CAIs Inferred from Noble Gas and Trace Element Abundances in CAIs from CV3 Chondrites
D. Nakashima, Friedrich J. M., Ott U. 52nd Lunar and Planetary Science Conference (2021), Abstract #1944 PDF “The Pu/U ratio estimated from noble gas and REE abundances in the five CV3 CAIs is consistent with…
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…
Evidence Against Chondrule-Matrix Complementarity as Seen in CO, CM, and CR Chondrites
A. Patzer, Bullock E. S., Alexander C. M. O’D. 52nd Lunar and Planetary Science Conference (2021), Abstract #1866 PDF “We have investigated 12 CO, CM, and CR chondrites to test models for the compositions and…
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…
Insoluble Organic Matter in Ryugu Analog Meteorite Jbilet Winselwan
B. T. De Gregorio, Stroud R. M. 52nd Lunar and Planetary Science Conference (2021), Abstract #2059 PDF “Studies of Ryugu return samples require refined approaches in sample preparation and analysis. We demonstrate advanced methods to…
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…
