Prebiotic synthesis on meteorite parent bodies: Insights from hydrogen and carbon isotope models
Laura Chimiak, John Eiler Chemical GeologyAvailable online 30 November 2023, 121828 LINK “Several mechanisms could produce the biorelevant organic compounds contained in carbonaceous meteorites. The ratio of heavy-to-light stable isotopes can constrain a compound’s formation…
The nature of insoluble organic matter in Sutter’s Mill and Murchison carbonaceous chondrites: Testing the effect of x-ray computed tomography and exploring parent body organic molecular evolution
George D. Cody, Conel M. O’D. Alexander, Dionysis I. Foustoukos, Henner Busemann, Scott Eckley, Aaron S. Burton, Eve L. Berger, Michael Nuevo, Scott A. Sandford, Daniel P. Glavin, Jason P. Dworkin, Harold C. Connolly Jr,…
Investigating the role of incident ion flux in solar wind space weathering of carbon-rich asteroidal regolith via H+and He+irradiation of the Murchison meteorite
D.L. Laczniak, M.S. Thompson, R. Christoffersen, C.A. Dukes, R.V. Morris, L.P. Keller IcarusIn Press, Journal Pre-proof, Available online 23 November 2023 LINK “We present results from a set of low and high flux 1 keV/amu H+…
Deciphering recycling processes during solar system evolution from magnesium-rich relict olivine grains in type II chondrules
Gabriel A. Pinto, Emmanuel Jacquet, Alexandre Corgne, Felipe Olivares, Johan Villeneuve, Yves Marrocchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 21 November 2023 LINK “Ferromagnesian chondrules present a remarkable dichotomy between reduced (type…
Compositional heterogeneity of insoluble organic matter extracted from asteroid Ryugu samples
Eric Quirico, Lydie Bonal, Yoko Kebukawa, Kana Amano, Hikaru Yabuta, Van T. H. Phan, Pierre Beck, Laurent Rémusat, Emmanuel Dartois, Cecile Engrand, Zita Martins, Laure Bejach, Alexandre Dazzi, Ariane Deniset-Besseau, Jean Duprat, Jérémie Mathurin, Gilles…
The water content of CM carbonaceous chondrite falls and finds, and their susceptibility to terrestrial contaminationOPEN ACCESS
Martin R. Lee, Lydia J. Hallis, Luke Daly, Adrian J. Boyce MAPSVersion of Record online: 12 November 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “CM carbonaceous chondrites can be used to constrain the abundance and H…
Abundant extraterrestrial purine nucleobases in the Murchison meteorite: Implications for a unified mechanism for purine synthesis in carbonaceous chondrite parent bodies
Toshiki Koga, Yoshinori Takano, Yasuhiro Oba, Hiroshi Naraoka, Naohiko Ohkouchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 October 2023 LINK “Extraterrestrial nucleobases are of key interest owing to their implications for the…
Cyanide Abundance and Soluble Organic Composition in Highly Aqueously Altered CM Chondrites
Rachel A. Reichow, Patrick K. Schwartz, Karen E. Smith, and Michael P. Callahan ACS Earth Space Chem. 2023Publication Date: October 16, 2023 LINK “Spectroscopic measurements of regolith collected from asteroid Bennu identified magnesium-rich phyllosilicates indicative…
Outgassing Composition of the Murchison Meteorite: Implications for Volatile Depletion of Planetesimals and Interior-atmosphere Connections for Terrestrial ExoplanetsOPEN ACCESS
Maggie A. Thompson, Myriam Telus, Graham Harper Edwards, Laura Schaefer, Jasmeet Dhaliwal, Brian Dreyer, Jonathan J. Fortney and Kyle Kim The Planetary Science Journal, Volume 4, Number 10 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Outgassing is…
Assessing the Effect of Aqueous Alteration on Soluble Organic Matter in Primitive Carbonaceous Chondrites: The Case of Asuka 12236
Coline Serra, Vassilissa Vinogradoff, Pauline Poinot, Quentin Blancart Remaury, Fabrice Duvernay, Louis Le Sergeant d’Hendecourt, Grégoire Danger, Philippe Claeys, Steven Goderis, and Philippe Schmitt-Kopplin ACS Earth and Space ChemistryPublication Date: September 25, 2023 LINK “Carbonaceous…
Grain Size Effects on UV–MIR (0.2–14μm) Spectra of Carbonaceous Chondrite GroupsOPEN ACCESS
David C. Cantillo, Vishnu Reddy, Adam Battle, Benjamin N. L. Sharkey, Neil C. Pearson, Tanner Campbell, Akash Satpathy, Mario De Florio, Roberto Furfaro and Juan Sanchez The Planetary Science Journal, Volume 4, Number 9 LINK…
Fine-grained chondrule rims in Mighei-like carbonaceous chondrites: Evidence for a nebular origin and modification by impacts and recurrent solar radiation heating
Xeynab Mouti Al-Hashimi, Jemma Davidson, Devin L. Schrader, Emma S. Bullock MAPSVersion of Record online: 12 September 2023 LINK “The Mighei-like carbonaceous (CM) chondrites, the most abundant carbonaceous chondrite group by number, further our understanding…
Implications for Chondrule Formation Regions and Solar Nebula Magnetism from Statistical Reanalysis of Chondrule PaleomagnetismOPEN ACCESS
Roger R. Fu, Sarah C. Steele, Jacob B. Simon, Richard Teague, Joan Najita and David Rea The Planetary Science Journal, Volume 4, Number 8 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Converging lines of evidence show that…
Testing models for the compositions of chondrites and their components: III. CM chondrites
Andrea Patzer, Emma S. Bullock, Conel M. O’D. Alexander Geochimica et Cosmochimica ActaAvailable online 25 August 2023 LINK “In continuation of our comprehensive study of the carbonaceous chondrites, we here present data for the CM…
The bulk mineralogy, elemental composition, and water content of the Winchcombe CM chondrite fallOPEN ACCESS
H. C. Bates, A. J. King, K. S. Shirley, E. Bonsall, C. Schröder, F. Wombacher, T. Fockenberg, R. J. Curtis, N. E. Bowles MAPSFirst published: 11 July 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “On the…
Mechanical Modification of Chondrule Fine-grained Rims by Dusty Nebular ShocksOPEN ACCESS
Augusto Carballido, Lorin S. Matthews, Romy D. Hanna and Truell W. Hyde The Planetary Science Journal, Volume 4, Number 6 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The mechanical processes that convert an initially fluffy chondrule fine-grained…
Position-specific carbon isotopes of Murchison amino acids elucidate extraterrestrial abiotic organic synthesis networksOPEN ACCESS
Sarah S. Zeichner, Laura Chimiak, Jamie E. Elsila, Alex L. Sessions, Jason P. Dworkin, José C. Aponte, John M. Eiler Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 14 June 2023 LINK (OPEN ACCESS)…
Uncovering the chiral bias of meteoritic isovaline through asymmetric photochemistryOPEN ACCESS
Jana Bocková, Nykola C. Jones, Jérémie Topin, Søren V. Hoffmann & Cornelia Meinert Nature Communications, Volume 14, Article number: 3381 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Systematic enrichments of l-amino acids in meteorites is a strong…
The formation and aqueous alteration of CM2 chondrites and their relationship to CO3 chondrites: A fresh isotopic (O, Cd, Cr, Si, Te, Ti, and Zn) perspective from the Winchcombe CM2 fallOPEN ACCESS
R. C. Greenwood, R. Findlay, R. Martins, R. C. J. Steele, K. M. M. Shaw, E. Morton, P. S. Savage, M. E. Murphy, M. Rehkämper, I. A. Franchi, T. Elliott, M. D. Suttle, A. J….
Quantitative evolved gas analysis: Winchcombe in comparison with other CM2 meteoritesOPEN ACCESS
A. В. Verchovsky, F. A. J. Abernethy, M. Anand, S. J. Barber, R. Findlay, I. A. Franchi, R. C. Greenwood, M. M. Grady MAPS, Version of Record online: 15 May 2023 LINK (OPEN ACCESS)PDF (OPEN…
Calcium–aluminum-rich inclusions in non-carbonaceous chondrites: Abundances, sizes, and mineralogyOPEN ACCESS
E. T. Dunham, A. Sheikh, D. Opara, N. Matsuda, M.-C. Liu, K. D. McKeegan MAPS, Version of Record online: 12 May 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “As the Sun was forming, calcium–aluminum-rich inclusions (CAIs)…
The spatial distribution of soluble organic matter and their relationship to minerals in the asteroid (162173) RyuguOPEN ACCESS
Minako Hashiguchi, Dan Aoki, Kazuhiko Fukushima, Hiroshi Naraoka, Yoshinori Takano, Jason P. Dworkin, Karin E. Dworkin, José C. Aponte, Jamie E. Elsila, John M. Eiler, Yoshihiro Furukawa, Aogu Furusho, Daniel P. Glavin, Heather V. Graham,…
Distributions of CHN compounds in meteorites record organic syntheses in the early solar systemOPEN ACCESS
Yoshihiro Furukawa, Daisuke Saigusa, Kuniyuki Kano, Akira Uruno, Ritsumi Saito, Motoo Ito, Megumi Matsumoto, Junken Aoki, Masayuki Yamamoto & Tomoki Nakamura Scientific Reports, Volume 13, Article number: 6683Published: 24 April 2023 LINK (OPEN ACCESS)PDF (OPEN…
Extended time scales of carbonaceous chondrite aqueous alteration evidenced by a xenolith in LaPaz Icefield 02239 (CM2)OPEN ACCESS
Martin R. Lee, Cameron Floyd, Pierre-Etienne Martin, Xuchao Zhao, Ian A. Franchi, Laura Jenkins, Sammy Griffin MAPSVersion of Record online: 10 April 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “LaPaz Icefield (LAP) 02239 is a mildly…
The grain size distribution of matrix in primitive chondritesOPEN ACCESS
E. Vaccaro, P. Wozniakiewicz, I. A. Franchi, N. Starkey, S. S. Russell MAPSVersion of Record online: 10 April 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The matrix of primitive chondrites is composed of submicron crystals embedded…
Hydrogen isotopic evidence for nebular pre-hydration and the limited role of parent-body processes in CM chondrites
Yves Marrocchi, Thomas Rigaudier, Maxime Piralla, Laurette Piani Earth and Planetary Science LettersVolume 611, 1 June 2023, 118151 LINK “The conditions and environments in which hydrated phases in unequilibrated meteorites formed remain debated. Among carbonaceous…
The Winchcombe Fireball — that Lucky SurvivorOPEN ACCESS
Sarah McMullan, Denis Vida, Hadrien A. R. Devillepoix, Jim Rowe, Luke Daly, Ashley J. King, Martin Cupák, Robert M. Howie, Eleanor K. Sansom, Patrick Shober, Martin C. Towner, Seamus Anderson, Luke McFadden, Jana Horák, Andrew…
High mobility of asteroid particles revealed by measured cohesive force of meteorite fragmentsOPEN ACCESS
Yuuya Nagaashi and Akiko M. Nakamura Science Advances17 Mar 2023Vol 9, Issue 11 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The cohesive force of asteroid particles is a crucial parameter in microgravity. The cohesive force was evaluated…
Temporally distributed parent body accretion in the C reservoir of the solar systemOPEN ACCESS
Wladimir Neumann, Ning Ma, Audrey Bouvier, Mario Trieloff PDF (OPEN ACCESS) “Accretion processes in protoplanetary disks produce a diversity of small bodies that played a crucial role in multiple reshuffling events throughout the solar system…
Recovery and curation of the Winchcombe (CM2) meteoriteOPEN ACCESS
Sara S. Russell, Ashley J. King, Helena C. Bates, Natasha V. Almeida, Richard C. Greenwood, Luke Daly, Katherine H. Joy, Jim Rowe, Tobias Salge, Caroline L. Smith, P. Grindrod, S. Boazman, L. Bond, V. Bond,…
Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu
Hiroshi Naraoka, Yoshinori Takano, Jason P. Dworkin, Yasuhiro Oba, Kenji Hamase, Aogu Furusho, Nanako O. Ogawa, Minako Hashiguchi, Kazuhiko Fukushima, […], and Yuichi Tsuda Science24 Feb 2023Vol 379, Issue 6634 LINK “Structured Abstract INTRODUCTIONSurface material…
Macromolecular organic matter in samples of the asteroid (162173) Ryugu
Hikaru Yabuta, George D. Cody, Cécile Engrand, Yoko Kebukawa, Bradley De Gregorio, Lydie Bonal, Laurent Remusat, Rhonda Stroud, Eric Quirico, […] and Yuichi Tsuda Science24 Feb 2023Vol 379, Issue 6634 LINK “Structured Abstract INTRODUCTIONOrganic compounds…
An in situ investigation of the preservation and alteration of presolar silicates in the Miller Range 07687 chondrite
Laura B. Seifert, Pierre Haenecour, Tarunika Ramprasad, Adrian J. Brearley, Thomas J. Zega MAPSVersion of Record online: 23 February 2023 LINK “Dust grains that formed around ancient stars and in stellar explosions seeded the early…
Insoluble macromolecular organic matter in the Winchcombe meteoriteOPEN ACCESS
Mark A. Sephton, Queenie H. S. Chan, Jonathan S. Watson, Mark J. Burchell, Vassilia Spathis, Monica M. Grady, Alexander B. Verchovsky, Feargus A. J. Abernethy, Ian A. Franchi MAPSVersion of Record online: 17 February 2023…
On the significance of oxygen-isotope variations in chondrules from carbonaceous chondrites
Guy Libourel, Kazuhide Nagashima, Marc Portail, Alexander N. Krot Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 10 February 2023 LINK “Oxygen-isotope studies of carbonaceous chondrite chondrules are of pivotal importance for understanding of…
Winchcombe: An example of rapid terrestrial alteration of a CM chondriteOPEN ACCESS
Laura E. Jenkins, Martin R. Lee, Luke Daly, Ashley J. King, Cameron J. Floyd, Pierre-Etienne Martin, Natasha V. Almeida, Matthew J. Genge MAPSVersion of Record online: 09 February 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Winchcombe is a CM chondrite that fell in…
Unravelling the Aqueous Alteration History of CM Chondrites by Kinetic Modelling
Haller R. L. H.* Lee M. R. L. 54th Lunar and Planetary Science Conference 2023 abstract [#1488] A PHREEQC model was built to investigate the evolution of mineralogy and petrologic type during aqueous alteration of a CM3 precursor.
High Resolution Micro Raman Spectroscopy on the Winchcombe Carbonaceous Chondrite (CM2)
Hoffmann V. H.* Kaliwoda M. Junge M. Hentschel F. Schmahl W. W. 54th Lunar and Planetary Science Conference 2023abstract [#2308] Within this project, the phase composition of Winchcombe (CM2) samples is investigated by 2D/3D digital microscopy and micro Raman spectroscopy.
Carbonate Mineralogy of the C1 Clasts in Kaidun Meteorite
Ogiya K.* Mikouchi T. Zolensky M. E. 54th Lunar and Planetary Science Conference 2023abstract [#1948] The carbonate analysis shows that some of the C1 clasts in Kaidun meteorite are unique materials not bound by the existing framework of CI…
New Constraints for Supernova Models from Presolar Silicon Carbide X Grains with Very High 26Al/27Al RatiosOPEN ACCESS
Peter Hoppe, Jan Leitner, Marco Pignatari, and Sachiko Amari The Astrophysical Journal Letters, Volume 943, Number 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report C, N, Mg-Al, Si, and S isotope data of six 1–3μm-sized…
Assessing the spatial variability of the ~3 μm OH/H2O absorption feature in CM2 carbonaceous chondrites
Cody Schultz, Brendan A. Anzures, Ralph E. Milliken, Taki Hiroi, Kevin Robertson MAPSVersion of Record online: 12 January 2023 LINK “H2O and OH are readily detected in hydrated minerals in CM chondrites via reflectance spectroscopy due to their characteristic…
The amino acid and polycyclic aromatic hydrocarbon compositions of the promptly recovered CM2 Winchcombe carbonaceous chondriteOPEN ACCESS
Queenie H. S. Chan, Jonathan S. Watson, Mark A. Sephton, Áine C. O’Brien, Lydia J. Hallis MAPSVersion of Record online: 09 January 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The rapid recovery of the Winchcombe meteorite offers a valuable opportunity…
The fusion crust of the Winchcombe meteorite: A preserved record of atmospheric entry processesOPEN ACCESS
Matthew J. Genge, Luke Alesbrook, Natasha V. Almeida, Helena C. Bates, Phil A. Bland, Mark R. Boyd, Mark J. Burchell, Gareth S. Collins, Luke T. Cornwell, Luke Daly, Hadrien A. R. Devillepoix, Matthias van Ginneken, Ansgar Greshake, Daniel Hallatt, Christopher Hamann, Lutz Hecht, Laura E. Jenkins, Diane Johnson, Rosie Jones, Ashley J. King, Haithem Mansour, Sarah…
The Winchcombe meteorite—A regolith breccia from a rubble pile CM chondrite asteroidOPEN ACCESS
M. D. Suttle, L. Daly, R. H. Jones, L. Jenkins, M. Van Ginneken, J. T. Mitchell, J. C. Bridges, L. J. Hicks, D. Johnson, G. Rollinson, R. Taylor, M. J. Genge, C. Schröder, P. Trimby, H. Mansour, S. Piazolo, E. Bonsall, T. Salge, R. Heard, R. Findlay, A. J. King, H. C. Bates, M. R. Lee, N. R….
Soluble Sulfur-Bearing Organic Compounds in Carbonaceous Meteorites: Implications for Chemical Evolution in Primitive Asteroids
Hiroshi Naraoka, Minako Hashiguchi, and Ryuji Okazaki ACS Earth Space ChemistryPublication Date: December 14, 2022 LINKSupporting Information (PDF) “Sulfur comprises various compound forms in natural environments and could have played important roles in chemical evolution…
Three-dimensional imaging of high-velocity-impact induced crack growth in carbonaceous meteorites
Tatsuhiro Michikami, Akira Tsuchiyama, Axel Hagermann, Akio Takeda, Katsuki Shishido, Yushi Otsuka, Osamu Sasaki, Michihiko Nakamura, Satoshi Okumura, Harumasa Kano, Sunao Hasegawa, IcarusAvailable online 25 November 2022 LINK “The material strength of meteorites provides useful…
Shidian meteorite, a new fall analog of near-Earth asteroid (101955) Bennu
Yan Fan, Shijie Li, Shen Liu, Qingzhu Yin, Guangming Song, Rui Xu, Jiang Zhang, Pengfei Zhang, Chengyu Liu, Rong Wang, Thomas Smith MAPSVersion of Record online: 24 November 2022 LINK “Shidian is a recent meteorite…
Chiroptical activity of gas-phase propylene oxide predicting the handedness of interstellar circular polarization in the presolar nebulaOPEN ACCESS
Adrien D. Garcia, Jérémie Topin, Jana Bocková, Nykola C. Jones, Søren V. Hoffmann, and Cornelia Meinert Science Advances, 18 Nov 2022, Vol 8, Issue 46 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Propylene oxide, the first chiral…
The Winchcombe meteorite, a unique and pristine witness from the outer solar systemOPEN ACCESS
Ashley J. King, Luke Daly, James Rowe, Katherine H. Joy, Richard C. Greenwood, Hadrien A. R. Devillepoix, Martin D. Suttle, Queenie H. S. Chan, Sara S. Russell, Helena C. Bates,James F.J. Bryson, Patricia L. Clay,…
Disk transport rates from Ti isotopic signatures of refractory inclusionsOPEN ACCESS
Jan Render, James F. J. Bryson, Samuel Ebert, Gregory A. Brennecka MAPSVersion of Record online: 10 November 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The early solar system was a dynamic period during which the formation…
Linking remote sensing, in situ and laboratory spectroscopy for a Ryugu analog meteorite sampleOPEN ACCESS
Alessandro Maturilli, Sabrina Schwinger, Enrica Bonato, Jörn Helbert, Mickael Baqué, Maximilian Hamm, Giulia Alemanno and Mario D’Amore Frontiers in Space Technologies, 24 October 2022Sec. Space Robotics LINK (OPEN ACCESS)PDF (DOWNLOAD) “In 2022 JAXA issued an…
Origin of Nitrogen Isotopic Variations in the Rocky Bodies of the Solar SystemOPEN ACCESS
Damanveer S. Grewal The Astrophysical Journal, Volume 937, Number 25 October 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Noncarbonaceous (NC; inner solar system) meteorites have lower 15N/14N ratios than carbonaceous (CC; outer solar system) meteorites. Whether…
Detection Of Incipient Aqueous Alteration In Carbonaceous Chondrites
L. Krämer Ruggiu, B. Devouard, J. Gattacceca, L. Bonal, H. Leroux, J. Eschrig, D. Borschneck, A.J. King, P. Beck, Y. Marrocchi, V. Debaille, R.D. Hanna, O. Grauby Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available…
Evidence for impact shock and regolith transportation on CM, CI, and CV chondrite parent asteroids
Michael Zolensky, Takashi Mikouchi, Kenji Hagiya, Kazumasa Ohsumi, Mutsumi Komatsu, Andrew Cheng, Loan Le MAPSVersion of Record online: 22 September 2022 LINK “We explore impact shock processing of the regolith of parent asteroids of carbonaceous…
The transition from soluble to insoluble organic matter in interstellar ice analogs and meteoritesOPEN ACCESS
G. Danger, A. Ruf, T. Javelle, J. Maillard, V. Vinogradoff, C. Afonso, I. Schmitz-Afonso, L. Remusat, Z. Gabelica, P. Schmitt-Kopplin A&A, Forthcoming articleReceived: 05 June 2022 / Accepted: 01 August 2022 PDF (OPEN ACCESS) “Context….
Polycyclic aromatic hydrocarbons in carbonaceous chondrites can be used as tracers of both pre-accretion and secondary processesOPEN ACCESS
Marceau Lecasble, Laurent Remusat, Jean-Christophe Viennet, Boris Laurent, Sylvain Bernard Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 6 September 2022 LINK (OPEN ACCESS) “Carbonaceous chondrites contain in a diverse suite of more or…
Deuterium Isotope Fractionation of Polycyclic Aromatic Hydrocarbons in Meteorites as an Indicator of Interstellar/Protosolar Processing HistoryOPEN ACCESS
Heather V. Graham, Jamie E. Elsila, Jason P. Dworkin, Scott A. Sandford and Jose C. Aponte Life 2022, 12(9), 1368 LINK (OPEN ACCESS)PDF (DOWNLOAD) “The stable isotope composition of soluble and insoluble organic compounds in…
Mineralogy, petrology, and oxygen isotopic compositions of aluminium-rich chondrules from unequilibrated ordinary and the Dar Al Gani 083 (CO3.1) chondrite
Samuel Ebert, Kazuhide Nagashima, Addi Bischoff, Jasper Berndt, Alexander N. Krot Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 28 August 2022 LINK “Understanding the genetic relationship between different chondritic components will help to…
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…
A record of post-accretion asteroid surface mixing preserved in the Aguas Zarcas meteorite
Xin Yang, Romy D. Hanna, Andrew M. Davis, April I. Neander & Philipp R. Heck Nature AstronomyPublished: 11 August 2022 LINK “Particle ejection and redeposition events on the surface of asteroid 101955 Bennu, which led…
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…
Heterogeneous nature of the carbonaceous chondrite breccia Aguas Zarcas – cosmochemical characterization and origin of new carbonaceous chondrite lithologies
Imene Kerraouch, Yoko Kebukawa, Addi Bischoff, Michael E. Zolensky, Elias Wölfer, Jan L. Hellmann, Motoo Ito, Ashley King, Mario Trieloff, Jean-Alix Barrat, Phillipe Schmitt-Kopplin, Andreas Pack, Markus Patzek, Romy D. Hanna, Thomas Fockenberg, Yves Marrocchi,…
Exploring refractory organics in extraterrestrial particlesOPEN ACCESS
Alexey Potapov, Maria Elisabetta Palumbo, Zelia Dionnet, Andrea Longobardo, Cornelia Jäger, Giuseppe Baratta, Alessandra Rotundi, Thomas Henning accepted for publication in ApJ LINK Update (23 August 2022): The Astrophysical Journal, Volume 935, Number 2Published: 23…
Rudashevskyite in the Winchcombe CM Chondrite: A Sulfide from Either Nebular Condensation or Metasomatic Alteration
Jenkins L. E. Lee M. R. Daly L. King A. J. Einsile J. F. Salge T. MetSoc22 abstract [#6123] LINK “Rudashevskyite, / Related to sphalerite, / How did you get here?”
Phosphorus Speciation in Hydrous Carbonaceous Meteorites: Indications of the Degree of Oxidation During Hydrothermal Processing
MetSoc22 abstract [#6290] LINK “Results suggest P was incorporated into parent bodies as phosphide, and aqueous processing was most effective at oxidizing this to phosphate in Murchison, with a lesser degree of oxidation in Aguas…
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.”
The Sequence of Carbonate Mineralization in the CM Carbonaceous Chondrites Revealed by the Winchcombe Meteorite
Lee M. R. Daly L. Trimby P. W. Piazolo S. MetSoc22 abstract [#6431] LINK “The recent CM fall Winchcombe contains a comprehensive collection of carbonates that track its progressive alteration.”
Curation of the Winchcombe CM Chondrite Fall
Almeida N. V. Bates H. C. King A. J. Smith C. L. Russell S. S. UKFAll Winchcombe Consortium MetSoc22 abstract [#6285] LINK “We describe the circumstances of the recovery and the process of curating the…
The Fall, Recovery, and Initial Analysis of the Winchcombe CM Chondrite
MetSoc22 abstract [#6443] LINK “We summarise the results of a consortium study of the Winchcombe CM chondrite fall.”
Composition and Petrography of Recent Type 1 and 2 Carbonaceous Chondrite Falls
Wombacher F. Kerraouch I. Bischoff A. MetSoc22 abstract [#6219] LINK “We analysed the recent carbonaceous chondrite falls Flensburg C1, Kolang CM1/2, Aguas Zarcas CM2, Winchcombe CM2 and Tarda C2 together with the CM2 chondrites Murchison…
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…
Lifetime of the Outer Solar System Nebula from Carbonaceous ChondritesOPEN ACCESS
Cauê S. Borlina, Benjamin P. Weiss, James F. J. Bryson, Philip J. Armitage JGR: PlanetsFirst Published: 30 May 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points Paleomagnetic measurements of CO chondrites suggest solar nebula dissipation…
3D porosity structure of the earliest solar system materialOPEN ACCESS
Romy D. Hanna, Richard A. Ketcham, David R. Edey & Josh O’Connell Scientific Reports, Volume 12, Article number: 8369Published: 19 May 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Carbonaceous chondrites (CCs) contain the earliest preserved Solar…
A Review of Research on Grove Mountains CM-Type ChondritesOPEN ACCESS
Wenjie Shen, Zhipeng Liang, Tianxiang Zou, Zhijun Yang, Weisheng Hou, Meng Zhou and Jialin Gong Minerals 2022, 12(5), 619 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “CM chondrite is the most important carbonaceous chondrite containing abundant Ca,…
Measurement of Thermal Diffusivity Distribution for Murray and Murchison Meteorites Using Lock-in Thermography
International Journal of Thermophysics, Volume 43, Article number: 97Published: 03 May 2022 LINK “It is important to know the thermophysical properties (thermal diffusivity, specific heat, etc.) for meteorites and small samples from asteroids to understand…
Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteoritesOPEN ACCESS
Yasuhiro Oba, Yoshinori Takano, Yoshihiro Furukawa, Toshiki Koga, Daniel P. Glavin, Jason P. Dworkin & Hiroshi Naraoka Nature Communications, Volume 13, Article number: 2008Published: 26 April 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Information “The…
Hydrogen emission from meteors and meteorites: Mapping traces of H2O molecules and organic compounds in small Solar system bodiesOPEN ACCESS
Pavol Matlovič, Adriana Pisarcčíková, Juraj Tóth, Pavel Mach, Peter Čermák, Stefan Loehle, Leonard Kornoš, Ludovic Ferrière, Jiří Šilha, David Leiser, Ranjith Ravichandran Monthly Notices of the Royal Astronomical Society, stac927 LINK Update (2 May 2022):…
Synthesis of Amino Acids from Aldehydes and Ammonia: Implications for Organic Reactions in Carbonaceous Chondrite Parent BodiesOPEN ACCESS
Toshiki Koga and Hiroshi Naraoka ACS Earth and Space ChemistryPublication Date: April 22, 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Strecker cyanohydrin synthesis is a known mechanism for the formation of amino acids from aldehydes,…
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…
Coordinated chemical and microstructural analyses of presolar silicate grains from AGB/RGB stars and supernovae in the CO3.0 chondrite Dominion Range 08006
Laura B. Seifert, Pierre Haenecour, Thomas J. Zega MAPSVersion of Record online: 11 April 2022 LINK “We report the structural and chemical analyses of six presolar silicate grains identified in situ in the CO3.0 carbonaceous…
Nano-FTIR Investigation of the CM Chondrite Allan Hills 83100OPEN ACCESS
J. M. Young, T. D. Glotch, M. Yesiltas, V. E. Hamilton, L. B. Breitenfeld, H. A. Bechtel, S. N. Gilbert Corder, Z. Yao JGR PlanetsFirst published: 09 April 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mid-infrared…
Formation of chondrule fine-grained rims from local nebular reservoirs
Gabriel A. Pinto, Yves Marrocchi, Emmanuel Jacquet, Felipe Olivares MAPSVersion of Record online: 31 March 2022 LINK “Chondrules are commonly surrounded by fine-grained rims (FGRs) whose origin remains highly debated; both nebular and parent body…
Ablation Rates of Organic Compounds in Cosmic Dust and Resulting Changes in Mechanical Properties During Atmospheric EntryOPEN ACCESS
David L. Bones, Juan Diego Carrillo Sánchez, Simon D. A. Connell, Alexander N. Kulak, Graham W. Mann, John M. C. Plane Earth and Space ScienceVolume 9, Issue 4First published: 24 March 2022 LINK (OPEN ACCESS)PDF…
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:…
Cosmogenic records and noble gases in Mukundpura CM2.0 carbonaceous chondrite
Ramakant R. Mahajan, D. Raychaudhuri, A. Dutta, Anil D. Shukla Planetary and Space ScienceAvailable online 18 March 2022 LINK “Highlights • Cosmic ray exposure history of new carbonaceous chondrite Mukundpura is discussed.• Mukundpura CM2.0 chondrite…
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…
Connecting Asteroids and Meteorites with visible and near-infrared spectroscopyOPEN ACCESS
Francesca E. DeMeo, Brian J. Burt, Michaël Marsset, David Polishook, Thomas H. Burbine, Benoît Carry, Richard P. Binzel, Pierre Vernazza, Vishnu Reddy, Michelle Tang, Cristina A. Thomas, Andrew S. Rivkin, Nicholas A. Moskovitz, Stephen M….
Uniform initial 10Be/9Be inferred from refractory inclusions in CV3, CO3, CR2, and CH/CB chondrites
E.T. Dunham, M. Wadhwa, S.J. Desch, M.C. Liu, K. Fukuda, N. Kita, A.T. Hertwig, R.L. Hervig, C. Defouilloy, S.B. Simon, J.Davidson, D.L.Schrader, Y. Fujimoto Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 7 February…
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…
LASER Raman Spectroscopy on Aguas Zarcas (CM2) — the 2019 Meteorite Fall from Costa Rica
Hoffmann V. H. Kaliwoda M. Junge M. Schmahl W. W. PDF LPSC 2022 abstract [#2231] “A large slice of Aguas Zarcas (CM2) was analyzed systematically by LASER Raman spectroscopy. The results are compared with Raman…
Reflectance Spectral Comparison Between a Large Ryugu Returned Sample and Carbonaceous Chondrites
Amano K. * Matsuoka M. Nakamura T. Kagawa E. Hiroi T. et al. PDF LPSC 2022 abstract [#1789] “We measured reflectance spectra of the samples collected from asteroid Ryugu by Hayabusa2 and compared the results…
Detailed Coordinated Analysis of the Mineralogy, Petrography, and Elemental Composition of the Carbonaceous Chondrite Falls Tarda and Kolang
Smith L. R. Haenecour P. Barnes J. J. Dominik K. Neuman M. et al. PDF LPSC 2022 abstract [#2832] “We conducted coordinated in-situ (EPMA) and bulk (q-ICP-MS) analyses to constrain the petrography, mineralogy, and elemental…
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…
Visualization and identification of single meteoritic organic molecules by atomic force microscopyOPEN ACCESS
Katharina Kaiser, Fabian Schulz, Julien F. Maillard, Felix Hermann, Iago Pozo, Diego Peña, H. James Cleaves II, Aaron S. Burton, Gregoire Danger, Carlos Afonso, Scott Sandford, Leo Gross MAPSVersion of Record online: 01 February 2022…
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,…
Diverse space weathering effects on asteroid surfaces as inferred via laser irradiation of meteoritesOPEN ACCESS
P. Zhang, K. Tai, Y. Li, J. Zhang, C. Lantz, T. Hiroi, M. Matsuoka, S. Li, Y. Lin, Y. Wen, H. Han and X. Zeng A&A 659, A78 (2022)Received 5 November 2021 / Accepted 30…
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…
An exploration of whether Earth can be built from chondritic components, not bulk chondrites
Conel M. O’D. Alexander Geochimica et Cosmochimica ActaAvailable online 17 December 2021 LINK “Here, two of a range of possible models are explored that assume that: (i) two of the main chondritic components (chondrules and…
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…
Machine Learning Mid-Infrared Spectral Models for Predicting Modal Mineralogy of CI/CM Chondritic Asteroids and Bennu
L. B. Breitenfeld, A. D. Rogers, T. D. Glotch, V. E. Hamilton, P. R. Christensen, D. S. Lauretta, M. E. Gemma, K. T. Howard, D. S. Ebel, G. Kim, A. M. Kling, H. Nekvasil, N….
Mineralogy of the 2019 Aguas Zarcas (CM2) carbonaceous chondrite meteorite fallOPEN ACCESS
Laurence A. J. Garvie American MineralogistRevision 1, preprint (peer-reviewed, final accepted version for American Mineralogist, published online: 24 November 2021) PDF (OPEN ACCESS) Update (1 December 2021, American Mineralogist, 106 (12): 1900–1916): LINK “The 2019…
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…
A 187Re-187Os, 87Rb-86Sr, highly siderophile and incompatible trace element study of some carbonaceous, ordinary and enstatite chondrite meteoritesOPEN ACCESS
Nicole Phelan, James M.D. Day, Jasmeet K.Dhaliwal, Yang Liu, Christopher A. Corder, Caleb Strom, Emily Pringle, Nelly Assayag, Pierre Cartigny, Kurt Marti, Frédéric Moynier Geochimica et Cosmochimica ActaAvailable online 19 November 2021 LINK (OPEN ACCESS)…
Nanoscale Infrared Characterization of Dark Clasts and Fine-Grained Rims in CM2 Chondrites: Aguas Zarcas and Jbilet Winselwan
Mehmet Yesiltas, Timothy D. Glotch, Melike Kaya ACS Earth and Space ChemistryPublication Date: November 16, 2021 LINK “Carbonaceous chondrites are among the most primitive meteorites that escaped extreme temperatures and melting in their parent bodies…
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…
Stellar outbursts and chondrite compositionOPEN ACCESS
Min Li, Zhaohuan Zhu, Shichun Huang, Ning Sui, Michail I. Petaev, Jason H. Steffen submitted to ApJL PDF (OPEN ACCESS) Update (13 November 2023): The Astrophysical Journal, Volume 958, Number 1 LINK (OPEN ACCESS)PDF (OPEN…
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…
Polarimetric Properties of the Near–Sun Asteroid (155140) 2005 UD in Comparison with Other Asteroids and Meteoritic SamplesOPEN ACCESS
Masateru Ishiguro, Yoonsoo P. Bach, Jooyeon Geem, Hiroyuki Naito, Daisuke Kuroda, Myungshin Im, Myung Gyoon Lee, Jinguk Seo, Sunho Jin, Yuna G. Kwon, Tatsuharu Oono, Seiko Takagi, Mitsuteru Sato, Kiyoshi Kuramoto, Takashi Ito, Sunao Hasegawa,…
Formation of metallic-Cu-bearing mineral assemblages in type-3 ordinary and CO chondrites
Ye Li, Alan E. Rubin, Weibiao Hsu American Mineralogist, November 01, 2021, Vol.106, 1751-1767 LINK “Studies of the new growth and re-distribution of Cu-rich phases in chondrites of different petrologic subtypes can potentially provide insights…
Are radicals responsible for of the variable deuterium enrichments in chondritic insoluble organic material?
C.M.O’D. Alexander, M.J. Nilges, G.D. Cody, C.D.K. Herd Geochimica et Cosmochimica ActaAvailable online 22 October 2021 LINK “The insoluble organic material (IOM) in primitive chondritic meteorites is very enriched in D (up to δD≈3500 ‰…
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…
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…
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…
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…
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)…
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…
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…
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…
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,…
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…
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…
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…
