Mn-rich chondrule rims in CO3 chondrites: Implications for the composition of nebular dust
Jillian Kirk, Myriam Telus, Pranvera Hyseni, Fatima Jorge-Chavez, Vanessa Mendoza, Steven J. Desch, Dale Burns, Steven Simon Icarus, In Press, Journal Pre-proof, Available online 14 July 2026 LINK “Highlights “Chondrules are small igneous particles that…
Isotopic imprints of late molecular cloud infall in the outer Solar SystemOPEN ACCESS
Elishevah van Kooten, Sebastian Sjørring Lodal, Isaac Onyett, Lasse Rasmus Pohlmann, Jean Bollard, Courtney Rundhaug, Martin Schiller & Martin Bizzarro Nature Astronomy, Published: 10 July 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) We spotted the following…
Distribution of purine and pyrimidine bases in Antarctic carbonaceous meteorites
Yasuhiro Oba, Takuto Tomaru, Toshiki Koga, Yoshihiro Furukawa, Sako Sunami, Toshihiro Yoshimura, Yuta Hirakawa, Nanako O. Ogawa, Naohiko Ohkouchi, Keiko Kuwamoto, Yoshinori Takano, Hiroshi Naraoka Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 6…
Chemical and isotopic compositions of aluminum-rich chondrules: insights into material mixing in the early solar systemOPEN ACCESS
Yuki Masuda, Yoshiaki Shiraishi, Tetsuya Yokoyama, Tsuyoshi Iizuka, Martin Schiller, Martin Bizzarro Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 5 July 2026 LINK + PDF (OPEN ACCESS) “Chondrules are high-temperature products formed in…
Mechanical Properties of Oued Chebeika 002 Bundle
Bhatt, Suraj; Garvie, Laurence A. J.; Hoover, Christian G. NASA Planetary Data System, published: 13 April 2026 LINK (OPEN ACCESS) “This bundle provides nanoindentation measurements, associated wavelength dispersive spectroscopy point analyses, wavelength dispersive spectroscopy maps,…
What Was the Initial O-Isotope Composition of Water Accreted by the CM Chondrites?
Suttle M. D.* METSOC 2026 abstract (PDF) “Numerical modelling (O-isotope perspective) shows CM chondrite alteration is best explained by isotopically light, TFL-like water (δ18O <30‰), moderate W/R (0.3-0.7), progressive heating (20-100°C), and pulsed dissolution. A…
Alteration History Effects on Soluble Organic Matter of the Tagish Lake Meteorite
Tunney L. D.* Slater G. F. Bowman D. T. Herd C. D. K. METSOC 2026 abstract (PDF) “An analysis of the bulk dichloromethane and hot water organic compound extractions of five Tagish Lake meteorite samples,…
Timescales of CM Carbonaceous Chondrite Aqueous Alteration
Haller R. L. Lee M. R.* Hodson M. E. METSOC 2026 abstract (PDF) “To make a CM chondrite, just add water and leave in a warm place for 1000 years.”
A CM2 Carbonaceous Chondrite-Rich Sample of Asteroid Vesta: Mount Pratt (PRA) 04401
Whitworth C. Bates H. C.* METSOC 2026 abstract (PDF) “PRA 04401 may be one of the most carbonaceous chondrite-rich howardites, exposing an extensive record of exogeneous delivery to the Vesta. We determined the composition of…
Resolving Complex Mass Interferences in TOF-SIMS Spectra of Extraterrestrial Organics in a Carbonaceous Chondrite
Nomura A.* Moritani K. Nakamura T. Eguchi N. Sano N. et al. METSOC 2026 abstract (PDF) “Developed a preliminary correlation-based analysis for GCIB-TOF-SIMS to resolve mass interferences, enabling initial identification of organics in the carbonaceous…
Thermal Evolution of Volatile-Rich Planetesimals: Implications for Lithological Diversity in Ryugu and CI Chondrites
Yamazaki S.* Mikouchi T. Zolensky M. E. METSOC 2026 abstract (PDF) “We modeled thermal evolution of volatile-rich planetesimals to explain lithological diversity in Ryugu and CI chondrites. Body size (50–100 km), accretion timing (~2–3 Myr),…
Mid-Infrared Spectral Constraints on Aqueous Alteration in CM Chondrites
Girich A. L.* Stojic A. Morlok A. Bischoff A. Hiesinger H. et al. METSOC 2026 abstract (PDF) “We investigated clasts with different degrees of aqueous alteration in the brecciated CM chondrites Cold Bokkeveld and Nogoya…
Molecular Characterization of the Soluble Organic Matter of the Tarda Meteorite Using Ultra-High-Resolution FTICR-MS and LC-MS
Liss M. L.* Ruchti S. R. Schmitt-Kopplin P. S-K. METSOC 2026 abstract (PDF) “Molecular characterization of soluble organic matter in the Tarda meteorite using FTICR-MS and LC-MS reveals high chemical diversity, polarity-dependent composition, and pronounced…
Hypervolatile Organics in the Pristine CI Chondrite Oued Chebeika 002: Implications for Volatile Evolution and Outer Solar System Connections
Zheng Y.* Santos E. Huang Y. Heck P. R. METSOC 2026 abstract (PDF) “Hypervolatile organics in CI chondrite Oued Chebeika 002 show low methane but enriched S-species. Ongoing δD measurements and comparisons with ISM and…
Investigating the Evolution of Organics in the Early Solar System Through In Situ Analysis of CI Chondrites
Lewis P. I.* Chan Q. H. S. Russell S. S. King A. J. METSOC 2026 abstract (PDF) “SEM-EDS maps and Raman spectra were collected on CI chondrites to investigate structural variation of organic matter within…
Ammonium Extraction from Carbonaceous Chondrites: A Comparative Study
Depoortere J.* Poch O. Laize-Générat L. Malnuit A. Caillon N. et al. METSOC 2026 abstract (PDF) “Ammonium is a major nitrogen carrier in primitive meteorites, yet its quantification depends on extraction efficiency. By testing three…
CI1 Oued Chebeika 002: Sr-Y Trace Element Distribution Revealed by SXRF Analysis
Tkalcec B. J.* Baert T. Herthogs J. Vekemans B. Vincze L. et al. METSOC 2026 abstract (PDF) “We report the results of the first phase of a two-stage trace element investigation of Oued Chebeika 002…
A TEM Study of Oued Chebeika 002: Mineralogy, Composition and Comparison with CI Chondrites
Conconi R.* Le Guillou C. Laforet S. Marinova M. Meuret S. et al. METSOC 2026 abstract (PDF) “Nanoscale TEM study of Oued Chebeika 002 reveals phyllosilicates, Fe-nanosulfides, magnetite, and carbonates formed from aqueous alteration. Textures…
Phosphate Textural Diversity in CI Chondrites and C-Type Asteroids
Erickson T.* Seifert L. Eckley S. O’Neal E. Crow C. et al. METSOC 2026 abstract (PDF) “This study will present a highly coordinated microstructural, geochemical and geochronological investigation of apatite from CI-chondrites and C-type asteroids.”
Chemical and Chromium Isotopic Variabilities at Small Scale in CI Chondrites, Ryugu, Bennu and Related Materials
López García K.* Yokoyama T. Nakanishi N. Shirahata A. Zhu K. METSOC 2026 abstract (PDF) “Elemental and Cr isotopic data show widespread small-scale heterogeneity in carbonaceous materials, most pronounced in Ryugu and CIs, likely reflecting…
Noble Gases of CI1 Chondrites: Comparative Study with Ryugu Samples Returned by the Hayabusa2 Spacecraft
Nagao K.* Nishiizumi K. Caffee M. W. Kim H. Park C. et al. METSOC 2026 abstract (PDF) “Noble gases of six CI1 chondrites: Orgueil, Revelstoke, Yamato 980115, Tonk, Ivuna, and Oued Chebeika 002 (three additional…
Redox Partitioning of Soluble Sulfur Species in Bennu and Tagish Lake Meteorite: Enrichment of Alkyl Thiosulfates and Suppression of Polythionates
Randazzo N. Hilts R. Rubio V. O. Herd C. D. K.* Reiz B. et al. METSOC 2026 abstract (PDF) “Comparison of soluble sulfur species in Bennu and Tagish Lake reveals redox partitioning, with Bennu enriched…
Evidence for Moderately Evolved Organic Matter and Preserved Ammonia in Oued Chebeika 002
Stroud R. M.* Alexander C. M. O’D. Cody G. D. Foustoukos D. Glavin D. P. et al. METSOC 2026 abstract (PDF) “Oued Chebeika 002 organic matter indicates accretion in an ammonia-ice rich environment similar to…
Extreme ¹³C-Depletions in CM Chondrite IOM: Presolar Origins Revealed by NanoSIMS and HRTEM
Natrajan S.* Marhas K. K. METSOC 2026 abstract (PDF) “Coordinated C,N isotopic and microscopic analysis of insoluble organic matter extracted from CM chondrites provides insight into the preservation of a refractory, pristine carbon rich component…
Source Region and Parent-Body Processes Shape the Evolutionary Diversity of Soluble Organic Matter in Carbonaceous Chondrites
Dong M.* Yang W. Li Y. Li S. Hu S. et al. METSOC 2026 abstract (PDF) “This study applies UHPLC–HRMS-based prebiomics to nine carbonaceous chondrites (CI1, C2-ung, CM2), showing that soluble organic matter evolution is…
Interrogating the Origins of Extraterrestrial Organics in the Winchcombe Meteorite Using Combined ESI-Orbitrap LCMS and IRMS
Hallis L. J.* O’Brien A. Weatherill J. Regnault C. Blackburn G. et al. METSOC 2026 abstract (PDF) “We studied the soluble organic molecule inventory of the Winchcombe CM2 chondrite. Numerous organic sulfonate compounds were detected,…
Micro-Scale Analyses of Isotopically Anomalous Macromolecular Organic Matter in the Paris CM Chondrite
Forero-Fuentes V.* Meraviglia H. Nittler L. R. Stroud R. M. METSOC 2026 abstract (PDF) “To determine the effects of alteration on macromolecular organic matter (MOM) in Paris, we conducted a SEM-NanoSIMS-TEM study of MOM inclusions,…
Deciphering the Iron Isotopic Composition of the Inclusion-Like Reservoir: Insight from AOAs in CV Chondrites
Piralla M.* Hopp T. Burkhardt C. Kleine T. METSOC 2026 abstract (PDF) “Iron isotope analysis of Allende AOAs reveals negative µ54Fe, defining a common reservoir with CAIs and supporting that the NC-CC dichotomy reflects a…
Terrestrial Formation of Evaporites in CO Carbonaceous Chondrites from the Atacama Desert: Implications for Martian Environments
Pinto G. A.* Debaille V. Eschrig J. Corgne A. Soto K. et al. METSOC 2026 abstract (PDF) “Evaporites are frequently reported in carbonaceous chondrites, yet their origin remains debated between formation on the parent body…
Isotopic Analyses of Presolar Silicon Carbide Grains from Aguas Zarcas
Korsmeyer J. M.* Stephan T. Zheng Y. Nittler L. R. Fowler G. et al. METSOC 2026 abstract (PDF) “A sample of CM2 meteorite Aguas Zarcas was chemically treated to extract various presolar grain types. Isolated…
Presolar Silicon Carbide in Oued Chebeika 002 and Other CI Materials
Nittler L. R.* Meraviglia H. Alexander C. M. O’D. Kulenguski A. S. H. Stroud R. M. METSOC 2026 abstract (PDF) “Presolar grains from / New CI are typical / Unlike in Bennu.” “Two important observations…
The Winchcombe Meteorite: A Spectroscopic Perspective
Roselló Del Valle L.* Bennett C. Chazallon B. Fosca C. McKeown L. et al. METSOC 2026 abstract (PDF) “We characterize two aliquots of the Winchcombe meteorite, a chip and a particulate sample (<75 μm), which…
Understanding the Relationship Between CR Clan Meteorites Using Noble Gases to Infer Early Solar System Environments
Mijjum M.* Corrigan C. M. McCoy T. J. Tremblay M. M. Gooding T. et al. METSOC 2026 abstract (PDF) “We are measuring noble gases in CB chondrites to inform their exposure ages and early solar…
Ti-Minerals Reveal Three-Stage Fluid Evolution on CY Chondrite Parent Body
Zhang A. C.* Wang S. Z. Du T. R. Chen J. N. Wen Y. Y. METSOC 2026 abstract (PDF) “We report the mineralogy of Ti-minerals in CY chondrite Dhofar 1988 and discuss its implication for…
High precision Al-Mg isotopic sims microanalysis of wark-lovering rims on ca-al-rich inclusions
Glenn J. MacPherson, Kazuhide Nagashima, Alexander N. Krot, Noriko T. Kita, Takayuki Ushikubo, Elena Dobrică Geochimica et Cosmochimica ActaAvailable online 19 June 2026 LINK “Using secondary ion mass-spectrometry, we analyzed the Al/Mg isotopic compositions of…
Nucleosynthetic Sr and Nd isotope anomalies in Allende calcium-aluminium-rich inclusions (CAIs) reflectings- and p-process heterogeneity
Yankun Di, Magdalena H. Huyskens, Qing-Zhu Yin, Yuri Amelin Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 June 2026 LINK “Compared to the Earth and inner Solar System planets, calcium–aluminium-rich inclusions (CAIs) possess…
Percolative core formation in oxidized planetesimals – I: experiments on melt migration in olivine aggregates
Varun Manilal, Kyusei Tsuno, Hideharu Kuwahara, Axel Wittmann, Anne Pommier, Christy Till, Damanveer S. Grewal Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 15 June 2026 LINK “Percolation is a leading mechanism for metal-silicate…
Presolar stardust in the ungrouped chondrite Chwichiya 002
Lucas R. Smith, Pierre Haenecour, Jessica J. Barnes, Kenneth Domanik, Mason Neuman, Kun Wang, Piers Koefoed, Elias Bloch, Ryan Ogliore MAPS, Version of Record online: 04 June 2026 LINK “We performed an in-depth study of…
Racemic isoprenoids in the Murchison meteorite derive from petroleum-based aerosol pollutantsOPEN ACCESS
Guillaume Leseigneur, Manuel Reinhardt, Fatma Yesil Sahan, Uwe Meierhenrich Earth and Planetary Science LettersVolume 690, 15 September 2026, 120141 LINK + PDF (OPEN ACCESS) “Highlights “The isoprenoid alkanes pristane and phytane are widely detected in…
Late infall of molecular cloud material reshaped the outer Solar SystemOPEN ACCESS
Elishevah van Kooten, Sebastian Sjørring Lodal, Isaac Onyett, Lasse Rasmus Pohlmann, Jean Bollard, Courtney Rundhaug, Martin Schiller, Martin Bizzarro Preprint, Accepted in principle, Nature Astronomy PDF (OPEN ACCESS) Understanding the physicochemical evolution of the outer…
Impact-generated Porosity Gradients Controlled Fluid Flow and Aqueous Alteration on the CM Parent BodyOPEN ACCESS
Romy D. Hanna, Richard A. Ketcham, Dave R. Edey, Guillaume Avice, Kelly Miller and Alan Whittington The Planetary Science Journal, Volume 7, Number 6, published: 3 June 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We investigated…
Reassessing the organic carbon budget in the Murchison meteorite through an extraction–recovery mass-balance approachOPEN ACCESS
Hina Dohi, Minako Hashiguchi, Koichi Mimura MAPS, Version of Record online: 31 May 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “A substantial fraction of organic carbon in carbonaceous chondrites has long been described as “missing,” reflecting…
When wet meets dry: An Ivuna-like impactor triggered volatile loss on the angrite parent bodyOPEN ACCESS
Ke Zhu (朱柯), Qi Chen, Tetsuya Yokoyama, Akira Yamaguchi, Audrey Bouvier, and Lu Chen Science Advances29 May 2026Vol 12, Issue 22 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Angrite meteorites remain the “driest” known planetary materials in…
The bulk abundances and isotopic compositions of H in CM and CI carbonaceous chondrites
Conel M. O’D. Alexander, Dionysis I. Foustoukos Geochimica et Cosmochimica ActaAvailable online 28 May 2026 LINK “The H abundances and isotopic compositions of primitive chondritic meteorites are important for understanding: (i) the accretion environments of…
The H, C and N abundances and isotopic compositions of samples with outer Solar System heritage: asteroid Bennu and the Tarda and Tagish Lake meteorites
Dionysis I. Foustoukos, Conel M. O’D. Alexander, George D. Cody, Jennifer C. Stern, Steven M. Bates, Yoshihiro Furukawa, Toshiki Koga, Daniel P. Glavin, Jason P. Dworkin, Jessica J. Barnes, Ann N. Nguyen, Harold C. Connolly…
Carbonaceous Chondrites Provide Evidence for Late-stage Planetesimal Formation in a Pressure BumpOPEN ACCESS
Nerea Gurrutxaga, Joanna Drążkowska, Vignesh Vaikundaraman, and Thorsten Kleine The Astrophysical Journal, Volume 1003, Number 2, Published: 22 May 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Carbonaceous chondrites are samples from planetesimals that formed 2–4 million…
Infrared transmission spectra of Ryugu samples and their adsorption properties
Yoko Kebukawa, Hikaru Yabuta, Hisayoshi Yurimoto, Tomoki Nakamura, Takaaki Noguchi, Ryuji Okazaki, Hiroshi Naraoka, Kanako Sakamoto, Shogo Tachibana, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe, Tatsuaki Okada, Tomohiro Usui, Makoto…
Potential of VIS-IR imaging spectroscopy and SEM-EDS and EMPA to map the mineralogical composition of NWA 7317 (CR6)
Simone Pascucci, Tiberio Cuppone, Martina Casalini, Simone De Angelis, Antonio Lettino, Angelo Palombo, Eliana La Francesca, Gianrico Filacchione, Maria Cristina De Sanctis, Anna Galiano, Giovanni Pratesi MAPS, Version of Record online: 14 May 2026 LINK…
Oxygen isotope systematics of petrographically and chemically rare chondrules from the NWA 6991 (CV3) chondrite: Implications for chondrule precursors and radial transport in the protoplanetary diskOPEN ACCESS
Takuma Sumitani, Kohei Fukuda, Takayuki Ushikubo, Rei Kanemaru, Noriko T. Kita, Koki Tsutsui, Changkun Park, Hwayoung Kim, Pilmo Kang, Kentaro Terada Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 7 May 2026 LINK +…
Network structure of solar wind implanted on small celestial body surface
Sohei Wada, Ken-ichi Bajo, Hisayoshi Yurimoto MAPS, Version of Record online: 07 May 2026 LINK “The surfaces of small celestial bodies are continuously modified by space weathering and surface gardening, yet their interaction remains poorly…
Oxygen Isotopic Compositions of Chondrules as Probes of Solar Protoplanetary Disk FormationOPEN ACCESS
Sota Arakawa, Takayuki Ushikubo, Ryosuke T. Tominaga DRAFT VERSION APRIL 29, 2026 PDF (OPEN ACCESS) “Chondrules are thought to have formed during transient flash-heating events in dust-enriched regions of the solar protoplanetary disk. Although laboratory…
Spectral Similarity in the Thermal Infrared between Sulfide-rich Carbonaceous Chondrite Meteorites, Jupiter Trojans, and Other D- and P-type AsteroidsOPEN ACCESS
Helena C. Bates, Ashley J. King, Kerri L. Donaldson Hanna, Audrey C. Martin, Joshua P. Emery, Neil E. Bowles and Sara S. Russell The Planetary Science Journal, Volume 7, Number 4, Published: 23 April 2026…
Timescales of CM carbonaceous chondrite aqueous alteration determined by kinetic modellingOPEN ACCESS
Robin L. Haller, Martin R. Lee, Mark E. Hodson Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 22 April 2026 LINK + PDF (OPEN ACCESS) “Mighei-like (CM) meteorites are the most abundant group…
Non-equilibrium condensation of the first Solar System solidsOPEN ACCESS
Sébastien Charnoz, Jérôme Aléon, Marc Chaussidon, Paolo A. Sossi, Yves Marrocchi & Patrick Franco Nature, Volume 652, pages 925–930, Published: 22 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Primitive meteorites (chondrites) consist of an out-of-equilibrium…
Carbonaceous Chondrites provide evidence for late-stage planetesimal formation in a pressure bumpOPEN ACCESS
Nerea Gurrutxaga, Joanna Drazkowska, Vignesh Vaikundaraman, Thorsten Kleine Accepted for publication in ApJ, draft version April 21, 2026 PDF (OPEN ACCESS) “Carbonaceous chondrites are samples from planetesimals that formed 2-4 million years after solar system…
Aqueous alteration in C2-ung Bells through the analysis of carbonates – Does a CR origin ring true?OPEN ACCESS
L. J. Riches, M. D. Suttle, I. A. Franchi, X. Zhao, M. M. Grady MAPS, Version of Record online: 20 April 2026 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Bells is an ungrouped carbonaceous chondrite that…
Terrestrial formation of calcium sulfate and carbonate assemblages in Atacama CO chondrites: Implications for Martian evaporitic environments
Gabriel A. Pinto, Vinciane Debaille, Jolantha Eschrig, Alexandre Corgne, Kevin Soto, Thierry Leduc, Sophie Decree, Steven Goderis Icarus, In Press, Journal Pre-proof, Available online 15 April 2026 LINK “Highlights “Evaporites are frequently reported in carbonaceous…
The effect of terrestrial weathering on the mineralogy and petrologic (sub)types of CM chondrites explored by kinetic modeling and laboratory experimentsOPEN ACCESS
Robin L. Haller, Martin R. Lee, Mark E. Hodson MAPS, Version of Record online: 15 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Terrestrial weathering alters the chemical and isotopic composition, and mineralogy, of meteorites; its…
Carbon and oxygen isotope compositions in calcite from the CM chondrites Aguas Zarcas and MIL 13005: Implications for O and C sources and alteration conditions
S.P. Goudy, M. Telus, K. Nagashima, G.R. Huss Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 12 April 2026 LINK “Here we present petrographic, O isotope, and C isotope data on calcite and…
Distribution of extraterrestrial nucleobases, other N-heterocycles, and their precursors in a sample from asteroid BennuOPEN ACCESS
Yasuhiro Oba, Toshiki Koga, Yoshinori Takano, Hiroshi Naraoka, Yuta Hirakawa, Sako Sunami, Yoshihiro Furukawa, Tomoya Yamazaki, Takuto Tomaru, Jason P. Dworkin, Daniel P. Glavin, Harold C. Connolly Jr & Dante S. Lauretta Communications Chemistry, Volume…
Preparing and characterising new carbonaceous chondrite reference materials for verification of ESA’s PROSPECT package
R.J. Windmill, J.I. Mortimer, M. Anand, A.B. Verchovsky, S. Nicoara, R.C. Greenwood, J. Carpenter Advances in Space ResearchAvailable online 7 April 2026 LINK “The European Space Agency’s PROSPECT payload consists of a sample acquisition and…
Carbonaceous Chondrite-like Compositions for Proposed Captured Trans-Neptunian Objects Justitia and PompejaOPEN ACCESS
Andrew S. Rivkin, Richard J. Cartwright, Joshua P. Emery, and Cristina A. Thomas The Astrophysical Journal Letters, Volume 1001, Number 1, Published: 7 April 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Red spectral slopes (i.e. increasing…
Ryugu Reference Project: Recommendations from the Measurement Definition Team
Tetsuya Yokoyama, Guillaume Avice, Henner Busemann, Nicolas Dauphas, Daniel P. Glavin, Ashley J. King, Thorsten Kleine, Katharina Lodders, Frederic Moynier, Maria Schönbächler, Yoshinori Takano, Kun Wang, Hikaru Yabuta, Yuma Enokido, Ryota Fukai, Shogo Tachibana, Tomohiro…
CI chondrite Oued Chebeika 002 links asteroids Bennu and Ryugu to common parent body
Megan Broussard, Katharina Lodders, Paul K. Carpenter, Piers Koefoed, Karen Ziegler, Kunihiko Nishiizumi, Marc W. Caffee, Laurence A. J. Garvie, Ryan C. Ogliore, Anthony J. Irving, Bradley L. Jolliff, Kun Wang MAPS, Version of Record…
Permeability as the first-order control on the rate of aqueous alteration in carbonaceous chondritesOPEN ACCESS
Bianka Babrián, Queenie H.S. Chan, Jens Najorka, James Malley, Lee F. White, Martin D. Suttle Geochimica et Cosmochimica ActaAvailable online 13 March 2026 LINK + PDF (OPEN ACCESS) “We performed a series of low temperature…
A re-assessment of moderately volatile elements in the non-matrix component of carbonaceous chondrites
Zhongtian Zhang, Damanveer S. Grewal IcarusAvailable online 13 March 2026, 117049 LINK “Highlights “All carbonaceous chondrites are variably depleted in moderately volatile elements (MVEs) relative to CI chondrites, which closely match the bulk composition of…
Shaken, not stirred: inefficient mixing of CM- and CI-like materialsOPEN ACCESS
Sarah E. Anderson, Pierre Vernazza, Miroslav Broz Astronomy & Astrophysics manuscript no. aa57394-25, March 11, 2026 PDF (OPEN ACCESS) “A recent study suggests that CM chondrite-like planetesimals formed in the vicinity of Saturn, in a…
Spectral insights into carbonaceous chondrites origins: Correlating main-Belt asteroids with CV chondrites
A.P. Singh, S.S. Pillai, K.K. Marhas, K.V.N.G. Vikram, S. Bhattacharya Icarus, In Press, Journal Pre-proof, Available online 11 March 2026 LINK “Highlights “This study investigates the mid-infrared spectral correlation between four Carbonaceous Vigarano (CV) chondrites…
High Resolution Microscopy and Raman Spectroscopic Studies on the Freshest Mukundpura Meteorite, Rajasthan, India: Presence of NanodiamondOPEN ACCESS
D. Chandrasekharam,U. Govind,R. P. Tripathi,T. H. Amir,K. M. Sairam,D. B. E. Rafal,A. Dixit Accepted for Publication in Bull. Min. Res. Exp. (2024) PDF (OPEN ACCESS) “Carbonaceous Chondrites have special significance in the stellar evolution and…
Triple oxygen and hydrogen stable isotope composition of hydroxyl water in Orgueil (CI-type) and Tagish Lake (C2-type) carbonaceous chondrites
Erik J.H. Oerter, Christopher D.K. Herd, Conel M.O’D. Alexander Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 27 February 2026 LINK “The primitive carbonaceous chondrites are of interest to cosmochemical science because they…
Initial study of regolith exposure ages and burial conditions on Ryugu: Cosmogenic nuclides score in two touchdownsOPEN ACCESS
Kunihiko Nishiizumi, Keisuke Nagao, Marc W. Caffee, Ryuji Okazaki, Jozef Masarik, Hisayoshi Yurimoto, Tomoki Nakamura, Takaaki Noguchi, Hiroshi Naraoka, Hikaru Yabuta, Kanako Sakamoto, Kasumi Yogata, Toru Yada, Shogo Tachibana, Sei-ichiro Watanabe, Yuichi Tsuda, Masanao Abe,…
A Collective Trigger for Widespread Planetesimal Formation Revealed by Accretion AgesOPEN ACCESS
James Bryson, Hannah Sanderson, Francis Nimmo, Sanjana Sridhar, Gregory Brennecka, Yves Marrocchi, Jason Terry PDF (OPEN ACCESS) “The formation of planetesimals was an integral part of the cascading series of processes that built the terrestrial…
H-N budgets and isotopic signatures of Oued Chebeika 002 and CI reservoir heterogeneityOPEN ACCESS
Y. Marrocchi, E. Füri, L. Zimmermann, L. Piani Geochemical Perspectives Letters, V39, Published 10 February 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report the hydrogen (H) and nitrogen (N) elemental and isotopic compositions of the…
Multiple formation pathways for amino acids in the early Solar System based on carbon and nitrogen isotopes in asteroid Bennu samplesOPEN ACCESS
Allison A. Baczynski, Ophélie M. Mcintosh, Danielle N. Simkus, Hannah L. McLain, Jason P. Dworkin, Daniel P. Glavin, Jamie E. Elsila, Mila Matney, Christopher H. House, Katherine H. Freeman, Harold C. Connolly Jr., and Dante…
Reflectance Spectroscopy (350–2500 nm) of Two New CI Chondrites: Oued Chebeika 002 and FlensburgOPEN ACCESS
Cloutis E. A., Applin D. M. LPSC 2026, abstract #1090 PDF “Two new C1 chondrites, Oued Chebeika 002 and Flensburg have been characterized by reflectance spectroscopy, extending the spectral diversity seen among these meteorites. They…
Organic Profiling of the Kolang (CM1/2) Carbonaceous Chondrite
Menor-Salvan C., Sanchez-España J., Yusta I., Ilin A. M., Bonales L. J. et al. LPSC 2026, abstract #1434 PDF “GC–MS and Orbitrap-MS/MS profiling of the Kolang CM1/2 chondrite reveals a complex organic suite, including abundant…
Microimaging Spectroscopy of Carbonaceous Chondrites and Comparison to the Spectral Diversity of AsteroidsOPEN ACCESS
S. A. Parra, R. N. Greenberger, B. L. Ehlmann JGR Planets, First Published: 4 February 2026 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Key Points “Primitive asteroids and carbonaceous chondrites (CCs) record the history of processes in…
Lithium concentrations and isotopic compositions of chondrules − Part I: Type I and type II chondrule systematicsOPEN ACCESS
Julia Neukampf, Yves Marrocchi, Johan Villeneuve, Mathieu Roskosz Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 30 January 2026 LINK + PDF (OPEN ACCESS) “We report high-precision lithium (Li) abundances and isotopic compositions…
Spatially and structurally distinct IOM populations in carbonaceous chondrites describe pre-parent body thermal alteration histories and parent body aqueous alteration
Ryan S. Jakubek, Marc D. Fries, Francis M. McCubbin, Devin L. Schrader, Andrew Steele, Jemma Davidson Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 29 January 2026 LINK “We collected Raman images of…
Abiotic sugar enantiomers in the CI carbonaceous chondrite OrgueilOPEN ACCESS
Vanessa Leyva, Manuel Robert, Raphaël Pepino, Jana Bocková & Cornelia Meinert Nature Communications,Published: 27 January 2026We are providing an unedited version of this manuscript to give early access to its findings. LINK (OPEN ACCESS)PDF (OPEN…
Hydration Features on Vesta’s Surface Seen by the Dawn Visible and Infrared Spectrometer (VIR) Data
Shuai Li JGR Planets, First Published: 24 January 2026 LINK “Key Points “Understanding the sources of hydration on Vesta’s surface provides insights into water origins in the inner solar system. We estimated the hydration content…
Graphite crystallinity and thermal record in Campo del Cielo IAB iron meteorite: A window into impact processing on a chondritic bodyOPEN ACCESS
Xiao Tian Deng, Hong Yi Chen, Yang Li, Jin Yu Zhang, Lan Fang Xie, Si Zhe Zhao, Zhuang Guo, Chen Li, Kai Rui Tai MAPS, Version of Record online: 24 January 2026 LINK (OPEN ACCESS)PDF…
Reflectance spectroscopy (200-4200 nm) of the red-sloped C2 carbonaceous chondrites MET 00432, Tagish Lake, Tarda, and WIS 91600 (“CT” grouplet)
Edward A. Cloutis, Devin L. Schrader, Daniel M. Applin, Tomoki Nakamura, Timothy D. Glotch, Takahiro Hiroi, Moe Matsuoka, Michael E. Zolensky, Joshua P. Emery, Kristi M. Peters Icarus, In Press, Journal Pre-proof, Available online 22…
Constraints on the impactor flux to the Earth–Moon system from oxygen isotopes of the lunar regolith
Anthony M. Gargano, Justin I. Simon, Erick Cano, Karen Ziegler, Charles K. Shearer, James M. D. Day, and Zachary Sharp PNAS: Earth, Atmospheric, and Planetary SciencesJanuary 20, 2026, 123 (4) e2531796123 LINK “Significance: Lunar regolith…
Instantaneous thermally-driven erosion can explain dearth of dark near-Sun asteroidsOPEN ACCESS
Georgios Tsirvoulis, Mikael Granvik, Leonard Schirner, Athanasia Toliou, Jooyeon Geem, Axel Hagermann PDF (OPEN ACCESS) “Recent models of the near-Earth asteroid population show that asteroids must be super-catastrophically destroyed when they evolve to orbits with…
Sustained recycling of anorthite-rich inclusions by outer-disk chondrule heating events
Mingming Zhang, Kohei Fukuda, Michael J. Tappa, William O. Nachlas, Bil Schneider, Makoto Kimura, Kouki Kitajima, Ann M. Bauer, Noriko T. Kita Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 2 January 2026 LINK…
Phyllosilicate Infrared Spectral Features as Tracers of Aqueous Alteration in CM Chondrites and Implications for Remote Sensing of Hydrated AsteroidsOPEN ACCESS
W. M. Lawrence, B. L. Ehlmann JGR Planets, First Published: 20 December 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points “CM (Mighei-type) carbonaceous chondrites host abundant OH/H2O-bearing phyllosilicates formed from water-rock reactions in primitive planetesimals….
Rapid terrestrial weathering of the CI1 carbonaceous chondrite find Oued Chebeika 002OPEN ACCESS
Martin R. Lee, Jasper Glazer MAPS, Version of Record online: 22 December 2025 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Alteration of historic CI1 meteorite falls during their curation demonstrates the susceptibility of smectite-rich carbonaceous chondrites…
Aqueous alteration in the C2-ung Tarda meteorite: in situ isotopic evidence from dolomite and magnetite
Bennett J.K. Wilson, Kazuhide Nagashima, Thomas J. Barrett, Veronica E. Di Cecco, Kimberly T. Tait, Michael G. Daly Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 21 December 2025 LINK “The Tarda meteorite…
Fluid history in the ungrouped C2 Essebi meteorite parent bodyOPEN ACCESS
L.J. Riches, M.D. Suttle, I.A. Franchi, X. Zhao, M.M. Grady Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 December 2025 LINK + PDF (OPEN ACCESS) “Analysis of carbonate minerals in ungrouped carbonaceous chondrites…
Prebiotic organic compounds in samples of asteroid Bennu indicate heterogeneous aqueous alterationOPEN ACCESS
Angel Mojarro, José C. Aponte, Jason P. Dworkin, Jamie E. Elsila, Daniel P. Glavin, Harold C. Connolly Jr., and Dante S. Lauretta PNAS, 122 (49) e2512461122, November 24, 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “NASA’s…
Sulfur-bearing serpentine in carbonaceous chondritesOPEN ACCESS
N. Topping, J. C. Bridges, L. J. Hicks, L. Petera, C. S. Allen, J. Ryu, D. G. Hopkinson, M. Danaie, L. Blase, F. M. Willcocks, G. Douglas, H. G. Changela, T. Noguchi, T. Matsumoto, A….
Assessing the metal and rare earth element mining potential of undifferentiated asteroids through the study of carbonaceous chondritesOPEN ACCESS
Josep M. Trigo-Rodríguez, Pau Grèbol-Tomàs, Jordi Ibáñez-Insa, Jacinto Alonso-Azcárate, Maria Gritsevich Accepted for publication in Monthly Notices of the Royal Astronomical Society PDF (OPEN ACCESS) Undifferentiated asteroids, particularly the parent bodies of carbon-rich chondrite groups,…
Controls on the petrologic type of CM carbonaceous chondrites evaluated by geochemical equilibrium modellingOPEN ACCESS
Robin L. Haller, Martin R. Lee MAPS, In Press, Journal Pre-proof, Available online 30 October 2025 LINK + PDF (OPEN ACCESS) “The most abundant group of carbonaceous chondrites are the Mighei-like (CM) meteorites, and they…
Features of Degassing of the Carbonaceous Chondrite Dar al Gani 190 (CO3) in the Temperature Range 200–800°C
S. A. Voropaev, N. V. Dushenko, A. P. Krivenko, V. S. Fedulov & K. M. Ryazantsev Solar System Research, Volume 59, article number 90, Published: 22 October 2025 LINK “The degassing of material from the…
Impactor relics of CI-like chondrites in Chang’e-6 lunar samples
Jintuan Wang, Zhiming Chen, Zexian Cui, Qing Yang, Le Zhang, Pengli He, Jingyou Chen, Chengyuan Wang, Yan-Qiang Zhang, Jiangze Wang, Yonghua Cao, James W. Head III, Hugh O’Neill, Akira Tsuchiyama, Yuri Amelin, Maxwell M. Thiemens,…
Elastic Properties of Returned Samples From Asteroid (162173) RyuguOPEN ACCESS
Keisuke Onodera, Yuta Ino, Satoshi Tanaka, Taichi Kawamura, Takuya Ishizaki, Rei Kanemaru, Ryota Fukai, Takeshi Tsuji, Tomoki Nakamura, Daisuke Nakashima, Masayuki Uesugi, Shogo Tachibana, Seiji Sugita, Hisayoshi Yurimoto, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta, Hiroshi…
Consolidating the isotopic trichotomy of planetary materials with new evidenceOPEN ACCESS
E. Siciliano Rego, N. Dauphas, T. Hopp Geochemical Perspectives Letters, V37, Received 4 June 2025, Accepted 29 August 2025, Published 2 October 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Nucleosynthetic isotope anomalies in planetary materials reveal…
Possible fingerprints of low-intensity, multiple impacts in the magnetic fabric of some carbonaceous chondritesOPEN ACCESS
Balázs Bradák ,Yusuke Seto, Sena Toyonaga, Ákos Kereszturi & Martin Chadima Studia Geophysica et Geodaetica, Published: 02 October 2025 LINK “The study of meteorites’ magnetic fabric may provide information on various stages of material evolution…
Petrography of phosphates in CI and CY carbonaceous chondritesOPEN ACCESS
C. S. Harrison, A. J. King, R. H. Jones, L. Piani MAPS, Version of Record online: 26 September 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Phosphate minerals are significant carriers of volatiles (e.g., OH) and halogens…
Fe isotopes in sulfides in the Aguas Zarcas (CM2) chondrite: Implications for the history of the parent asteroids
Xinqian Zhu, Xinyu Wang, Cheng Qian, Kexin Deng, Qi He, Zaicong Wang, Wen Zhang, Ao Yang, Fabin Pan & Xiang Wu Acta Geochimica, Published: 23 September 2025 LINK “CM chondrites contain valuable insights into the…
Carbonaceous Chondrite Clast Captured in Collision Event by the Elga Iron Meteorite (Group IIE)
N. R. Khisina, S. N. Teplyakova, A. V. Korochantsev & A. M. Abdrakhimov Geochemistry International, Volume 63, pages 848–859, Published: 23 September 2025 LINK “A melt pocket (MP) found in only one of the silicate…
Ge, Te, and Zn isotopic link between Ryugu and CI chondritesOPEN ACCESS
E. Wölfer, J. Hellmann, C. Burkhardt, T. Kleine Geochemical Perspectives Letters, V37, Received 12 May 2025, Accepted 15 August 2025, Published 17 September 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Analyses of samples returned from asteroid…
High field strength elements in chondrites and their refractory componentsOPEN ACCESS
C. Münker, M. Pfeifer, V. Krisponeit, F. Wombacher Geochemical Perspectives Letters V36Received 8 January 2025 | Accepted 30 June 2025 | Published 10 September 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “In geochemistry and cosmochemistry, chondrites…
Placing asteroid Bennu’s organic solids in molecular and elemental context with those in aqueously altered carbonaceous chondrites
George D. Cody, Conel M. O’D. Alexander, Dionysis I. Foustoukos, Robert M. Hazen, Daniel P. Glavin, Jason P. Dworkin, Yoshihiro Furakawa, Toshiki Koga, Harold C. Connolly Jr., Dante S. Lauretta Geochimica et Cosmochimica Acta, In…
Delivery of carbonaceous materials to the Moon
Linxi Li, Mengfan Qiu, Sen Hu, Hejiu Hui c, Yi Chen a d, Qiu-Li Li, Wei Yang, Yuyang He, Shitou Wu, Hao Wang, Guoqiang Tang, Di Zhang, Lihui Jia, Lixin Gu, Huicun He, Yubing Gao,…
Isotopic analysis of tochilinite (carbonate and magnetite) in Winchcombe: Temperature constraints on early-stage aqueous alteration in the CM parent bodyOPEN ACCESS
M. D. Suttle, R. Findlay, I. A. Franchi, C. Biagioni, X. Zhao, F. A. J. Abernethy, L. Riches, L. Folco MAPS, Version of Record online: 03 September 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report…
Updating the Urey-Craig diagram: The iron redox states of the building blocks of the outer solar systemOPEN ACCESS
Kana Amano, Jean-Christophe Viennet, Pierre Beck, François Guyot, Sergey Yaroslavtsev, Dimitrios Bessas, Aleksandr Chumakov, Ludovic Delbes, Olivier Poch, Mathieu Roskosz LINK + PDF (OPEN ACCESS) “Highlights “The iron speciation and valence state of meteorites reflect…
Mineralogical evidence for hydrothermal alteration of Bennu samplesOPEN ACCESS
T. J. Zega, T. J. McCoy, S. S. Russell, L. P. Keller, Z. Gainsforth, S. A. Singerling, V. R. Manga, C. Harrison, G. Libourel, B. S. Prince, K. Thomas-Keprta, A. King, M. Portail, V. Guigoz,…
Secondary corundum-bearing assemblages in Allende Ca,Al-rich inclusions: Mineralogy, petrology, oxygen, and aluminum–magnesium isotope systematics
A. N. Krot, K. Nagashima, M. I. Petaev, E. Dobrică, C. Ma, B. Jacobsen MAPS, Version of Record online: 22 August 2025 LINK “We report on the mineralogy, petrology, oxygen, and aluminum–magnesium isotopic systematics of…
The sub-μm petrography of the observed meteorite fall Winchcombe—A complex array of pristine and altered chondrite componentsOPEN ACCESS
Johannes Lier, Christian Vollmer, Linus Risthaus, Demie Kepaptsoglou, Quentin M. Ramasse, Aleksander B. Mosberg, Ashley J. King, Charlotte L. Bays, Paul F. Schofield MAPS, Version of Record online: 21 August 2025 LINK (OPEN ACCESS)PDF (OPEN…
Iron XANES measurements of carbonates and phyllosilicates in CM chondrites: A record of redox conditions during aqueous alterationOPEN ACCESS
Elizabeth Bailey, Myriam Telus, Phoebe J. Lam, Samuel M. Webb MAPS, Version of Record online: 09 August 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Multiple generations of calcite and dolomite precipitated in CM chondrites during ice…
Magnesium phosphate in the Cold Bokkeveld (CM2) carbonaceous chondriteOPEN ACCESS
Martin R. Lee, Tobias Salge, Ian Maclaren MAPS, Version of Record online: 28 July 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Hydrous Mg-phosphate was first described from astromaterials in particles returned from the C-type asteroid Ryugu,…
Experimental constraints on the shock history of CI chondrites and Ryugu grainsOPEN ACCESS
Toru Nakahashi, Masaaki Miyahara, Akira Yamaguchi, Takamichi Kobayashi, Hitoshi Yusa, Masashi Miyakawa, Naotaka Tomioka, Yuto Takaki, Takaaki Noguchi, Toru Matsumoto, Akira Miyake, Yohei Igami, Yusuke Seto LINK + PDF (OPEN ACCESS) “Highlight “C-type asteroids, which…
Mineralogical and isotopic constraints on early, high-temperature events and reservoirs recorded in the interior of a Type B Ca-Al-rich inclusion from the reduced CV3 chondrite VigaranoOPEN ACCESS
Jangmi Han, Changkun Park, Ming-Chang Liu, Nozomi Matsuda, Justin I. Simon, Lindsay P. Keller Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 24 July 2025 LINK + PDF (OPEN ACCESS) “A coordinated mineralogical and…
Ultrarefractory inclusions in the Sayh al Uhaymir 290 CH carbonaceous chondrite
Konstantin M. Ryazantsev, Marina A. Ivanova, Alexander N. Krot, Chi Ma, Cyril A. Lorenz, Vasily D. Shcherbakov MAPS, Version of Record online: 24 July 2025 LINK “Ultrarefractory Ca,Al-rich inclusions (UR CAIs) in the Sayh al…
Northwest Africa 13489: A Strongly Metamorphosed Ungrouped Carbonaceous ChondriteOPEN ACCESS
T. Cuppone, C. Carli, M. Casalini, A. Stephant, C. R. Greenwood, G. Pratesi MAPS, Version of Record online: 21 July 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “NWA 13489 is a meteorite that has been classified…
The evolution of planetesimal reservoirs revealed by Fe-Ni isotope anomalies in differentiated meteoritesOPEN ACCESS
Fridolin Spitzer, Timo Hopp, Christoph Burkhardt, Nicolas Dauphas, Thorsten Kleine Earth and Planetary Science LettersVolume 667, 1 October 2025, Version of Record 14 July 2025. LINK + PDF (OPEN ACCESS) “Highlights “Differentiated meteorites sample planetesimals…
Solar System’s earliest solids as tracers of the accretion region of Ryugu and Ivuna-type carbonaceous chondritesOPEN ACCESS
Noriyuki Kawasaki, Sota Arakawa, Yushi Miyamoto, Naoya Sakamoto, Daiki Yamamoto, Sara S. Russell & Hisayoshi Yurimoto Communications Earth & Environment, Volume 6, Article number: 537, Published: 16 July 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Samples…
The first meteoritic ammonium mineral: Discovery of boussingaultite in the Orgueil CI1 carbonaceous chondriteOPEN ACCESS
Sergey N. Britvin, Oleg S. Vereshchagin, Natalia S. Vlasenko, Maria G. Krzhizhanovskaya, Marina A. Ivanova, Irina A. Volkova American Mineralogist, preprint, 2 July 2025 LINK + PDF (OPEN ACCESS) Update (1 February 2026): American Mineralogist,…
Origin of the metal in chondritic and achondritic lithologies of the Sierra Gorda 013 СBa-like chondrite
Marina A. Ivanova, Svetlana N. Teplyakova, Cyril A. Lorenz, Shuying Yang, Munir Humayun MAPS, Version of Record online: 27 June 2025 LINK “Sierra Gorda 013 (SG 013) is an unusual CBa-like chondrite containing two texturally…
Petrography of scoriaceous and unmelted micrometeorites from the Maitri Station, Antarctica collection
D. Fernandes, N.G. Rudraswami, V.P. Singh Advances in Space ResearchAvailable online 24 June 2025 LINK “We analyzed ten unmelted fine-grained micrometeorites (FgMMs) and ten coarse-grained micrometeorites (CgMMs), along with eight fine-grained scoriaceous micrometeorites (Fg/ScMMs) and…
Oxygen isotopic heterogeneities in refractory inclusions in the ungrouped carbonaceous chondrite Acfer 094
Timothy J. Fagan, Sachio Kobayashi, Alexander N. Krot, Hisayoshi Yurimoto MAPS, Version of Record online: 24 June 2025 LINK “Oxygen isotopic compositions of minerals in three Ca-Al-rich inclusions (CAIs), one amoeboid olivine aggregate (AOA) and…
Chromium isotopes in CR chondrites reveal two distinct chondrule reservoirsOPEN ACCESS
Aryavart Anand, Klaus Mezger Icarus, In Press, Journal Pre-proof, Available online 18 June 2025 LINK + PDF (OPEN ACCESS)“Highlights “Chondrules, the dominant components of chondrites, provide crucial insights into early solar system formation and evolution….
An in situ investigation of presolar grains in primitive CO chondrite NWA 10493 and NWA 10498
An in situ investigation of presolar grains in primitive CO chondrite NWA 10493 and NWA 10498 Yuchen Xu, Yangting Lin, Jialong Hao, Sen Hu, Wei Yang, Yongliao Zou, Yang Liu MAPS, Version of Record online:…
Fabrics of forsterite in CBa chondrite Sierra Gorda 013
Rong Li, Wei Chen & Chun-Hui Li Acta Geochimica, Published: 14 June 2025 LINK “CB chondrite is a class of meteorite rich in metal composition, and its characteristics are obviously different from other chondrite groups….
Carbon and oxygen isotope evidence for a protoplanetary disk origin of organic solids in meteorites
William M. Lawrence, Geoffrey A. Blake, and John Eiler PNAS, June 2, 2025, 122 (24) LINK “Macromolecular organic solids found in primitive meteorites were the main source of carbon delivered to forming planets in the…
Accretion of the anomalous CR2 chondrite Northwest Africa 14674: Implications for the complexities of the CR parent bodies
R.H. Hewins, P.-M. Zanetta, H. Leroux, S. Laforet, C. Le Guillou, M. Marinova, S. Pont, B. Zanda, R. Brunetto, J. Gattacceca, C. Sonzogni, L. Piani, Y. Marrocchi Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof,…
Rare Phosphides and Nitrides in Igneous Clasts within Aqueously Altered ChondritesOPEN ACCESS
Lucas. R. Smith, Pierre Haenecour, Jessica J. Barnes, Kenneth Domanik, Yao-Jen Chang and Dolores Hill The Planetary Science Journal, Volume 6, Number 5, Published: 27 May 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chondritic meteorites and…
The bright-field grinding tomography of coarse-grained calcium‑aluminum-rich inclusions in the Allende meteorite
Ryota Fukai, Yusuke Takeda, Yuki Masuda, Daiki Yamamoto, Yasuhiro Iba, Shintaro Sasaki, Shin Ikegami, Aya Kubota, Reo Sato, Tomohiro Usui IcarusAvailable online 12 May 2025, 116648 LINK “Highlights “The evolution associated with coagulation/fragmentation processes of…
Origin of moderately volatile elements in Earth inferred from mass-dependent Ge isotope variations among chondritesOPEN ACCESS
Elias Wölfer, Christoph Burkhardt, Francis Nimmo, Thorsten Kleine Accepted for publication in Earth and Planetary Science Letters PDF (OPEN ACCESS) “The bulk silicate Earth (BSE) is depleted in moderately volatile elements, indicating Earth formed from…
Origin of eclogitic clasts in CR chondrite Northwest Africa 801: Growing evidence for large parent bodies in the CR reservoir of the early solar system
J.S. Gorce, E.A. Heiny, J. Filiberto, C. Goodrich Earth and Planetary Science LettersVolume 662, 15 July 2025, 119371 LINK “Highlights “There is a growing body of evidence that the range of planetary parent bodies sizes…
Multiple CV chondrite lithologies in Camel Donga 003 (CK3): Implications for the CV and CK parent bodies
Elana G. Alevy, Tasha L. Dunn, Alexander N. Krot, Paul Cardon-Pilotaz, Juliane Gross MAPS, Version of Record online: 06 May 2025 LINK “Camel Donga 003 (CD 003) was originally classified as a CK3 chondrite based…
“CY1” Chondrites Produced by Impact Dehydration of the CI Chondrite Parent BodyOPEN ACCESS
Ke Zhu (朱柯), Nao Nakanishi, Jan Render, Quinn R. Shollenberger, Tetsuya Yokoyama, Akira Ishikawa, and Lu Chen The Astrophysical Journal Letters, Volume 984, Number 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The recently proposed Yamato-type (CY)…
Oued Chebeika 002: A new CI1 meteorite linked to outer solar system bodiesOPEN ACCESS
J. Gattacceca, M. Gounelle, B. Devouard, J.-A. Barrat, L. Bonal, A. J. King, C. Maurel, P. Beck, M. Roskosz, J.-C. Viennet, D. Mukherjee, N. Dauphas, P. R. Heck, T. Yokoyama, K. López García, O. Poch,…
