Formation and evolution of a protoplanetary disk: combining observations, simulations and cosmochemical constraintsOPEN ACCESS
Alessandro Morbidelli,Yves Marrocchi,Adnan Ali Ahmad,Asmita Bhandare,Sebastien Charnoz,Benoit Commercon,Cornellis P. Dullemond,Tristan Guillot,Patrick Hennebelle,Yueh-Ning Lee,Francesco Lovascio,Raphael Marschall,Bernard Marty,Anaelle Maury,Okamoto Tamami In press in Astronomy and Astrophysics PDF (OPEN ACCESS) “We present a plausible and coherent view of…
Cavitating bubbles in condensing gas as a means of forming clumps, chondrites, and planetesimalsOPEN ACCESS
Eugene Chiang Accepted to ApJ Letters PDF (OPEN ACCESS) “Vaporized metal, silicates, and ices on the verge of re-condensing into solid or liquid particles appear in many contexts: behind shocks, in impact ejecta, and within…
Chondrule Properties and Formation ConditionsOPEN ACCESS
Yves Marrocchi, Rhian H. Jones, Sara S. Russell, Dominik C. Hezel, Jens Barosch & Aleksandra Kuznetsova Space Science ReviewsVolume 220, article number 69, 5 September 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chondrules are iconic sub-millimeter…
The last generation of nebular chondrules possibly sampled in the CH/CBb chondrite Isheyevo
Timothé Mahlé, Yves Marrocchi, Julia Neukampf, Johan Villeneuve, Emmanuel Jacquet Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 4 September 2024 LINK “Among carbonaceous chondrites, the chondrules of CB and CH stand out…
Micro- and nanoscale studies of insoluble organic matter and C-rich presolar grains in Murchison and Sutter’s Mill in preparation for Bennu sample analysisOPEN ACCESS
A. N. Nguyen, S. J. Clemett, K. Thomas-Keprta, C. M. O’D. Alexander, D. P. Glavin, J. P. Dworkin, H. C. Connolly Jr, D. S. Lauretta MAPS, Version of Record online: 30 August 2024 LINK (OPEN…
HIDALGO: A FUN object from the earliest epoch of the solar system’s historyOPEN ACCESS
Ming-Chang Liu, Nozomi Matsuda, Kevin D. McKeegan, Emilie T. Dunham, Kaitlyn A. McCain Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 17 August 2024 LINK + PDF (OPEN ACCESS) “Chemical and isotopic measurements of…
Chondrule sizes within the CM carbonaceous chondrites and measurement methodologiesOPEN ACCESS
C. J. Floyd, S. Benito, P.-E. Martin, L. E. Jenkins, E. Dunham, L. Daly, M. R. Lee MAPS, Version of Record online: 08 August 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The sizes of chondrules are…
Chondrule-like objects and a Ca-Al-rich inclusion from comets or comet-like icy bodies
Takaaki Noguchi, Daisuke Nakashima, Takayuki Ushikubo, Wataru Fujiya, Noriaki Ohashi, John P. Bradley, Tomoki Nakamura, Noriko T. Kita, Peter Hoppe, Hidemi Ishibashi, Makoto Kimura, Naoya Imae Geochimica et Cosmochimica ActaAvailable online 6 August 2024 LINK…
Isotope studies of presolar silicon carbide grains from supernovae: new constraints for hydrogen-ingestion supernova modelsOPEN ACCESS
Peter Hoppe, Jan Leitner, Marco Pignatari, and Sachiko Amari Monthly Notices of the Royal Astronomical Society, stae1523Published: 19 June 2024 LINK (OPEN ACCESS) “We report isotope data for C, N, Al, Si, and S of…
Forging inner-disk Al-rich chondrules by interactions of CAI-like melt and ambient gas
Mingming Zhang, Kohei Fukuda, Michael J. Tappa, Guillaume Siron, William O. Nachlas, makoto Kimura, Kouki Kitajima, Ann M. Bauer, Noriko T. Kita Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 June 2024 LINK…
Role of natural isotopic fractionation in isotope geo- and cosmo-chronology: A theoretical investigationOPEN ACCESS
Yankun Di, Qing-Zhu Yin, François L.H. Tissot, Yuri Amelin Geochimica et Cosmochimica ActaAvailable online 22 June 2024 LINK (OPEN ACCESS) “We introduce a new isotope chronological model in which the natural mass-dependent isotopic fractionation effects…
The primary abundance of chondrules in CI chondrites
Makoto Kimura, Motoo Ito, Akira Monoi, Akira Yamaguchi, Richard C. Greenwood Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 14 June 2024 LINK “CI chondrites are the most significant extra-terrestrial samples for estimating the…
Abundance, sizes, and major element compositions of components in CR and LL chondrites: formation from single reservoirsOPEN ACCESS
Denton S. Ebel, Marina E. Gemma, Samuel P. Alpert, Jasmine Bayron, Ana H. Lobo, Michael K. Weisberg MAPS, Version of Record online: 11 June 2024 LINK PDF (OPEN ACCESS) “Abundances, apparent sizes, and individual chemical…
Differences in bulk Fe content and density between type I and type II ordinary chondrite chondrules: Implications for parent body heterogeneities in oxidation state and O-isotopic compositionOPEN ACCESS
Alan E. Rubin MAPS, Version of Record online: 10 June 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Type II chondrules have higher oxidation states than type I chondrules; in ordinary chondrites (OC), type II chondrules tend…
Accretion of warm chondrules in weakly metamorphosed ordinary chondrites and their subsequent reprocessingOPEN ACCESS
Alex M. Ruzicka, Richard C. Hugo, Jon M. Friedrich, Michael T. Ream Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 4 June 2024 LINK (OPEN ACCESS) “To better understand chondrite accretion and subsequent processes,…
Condensation of refractory minerals on igneous compact type A Ca-Al-rich inclusion from Northwest Africa 7865 CV chondriteOPEN ACCESS
Akimasa Suzumura, Noriyuki Kawasaki, Hisayoshi Yurimoto, Shoichi Itoh MAPS, Version of Record online: 03 June 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “A melilite-rich, compact type A Ca-Al-rich inclusion (CAI), KU-N-02, from the reduced CV3 chondrite…
Compositions of iron-meteorite parent bodies constrain the structure of the protoplanetary diskOPEN ACCESS
Bidong Zhang, Nancy L. Chabot, and Alan E. Rubin PNAS, Vol. 121, No. 2328 May 28, 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Magmatic iron-meteorite parent bodies are the earliest planetesimals in the Solar System, and…
Compositional evidence for chondrule origins of low-Ca pyroxenes in comet Wild 2 and a giant cluster IDP
D. J. Joswiak, D. E. Brownlee, A. J. Westphal, Z. Gainsforth, M. Zhang, N. T. Kita MAPS, Version of Record online: 23 May 2024 LINK “A literature compilation of 1136 low-Ca pyroxene compositions from chondrules…
Distribution analysis of rare earth elements in fine-grained CAIs of the Allende meteorite using multiple-spot femtosecond LA-ICP-MS
Yuki Masuda, Sota Niki, Takafumi Hirata, Tetsuya Yokoyama MAPS, Version of Record online: 15 May 2024 LINK “Calcium–aluminum-rich inclusions (CAIs) in chondrites are one of the oldest materials in the solar system. Presence of refractory…
CAI formation in the early Solar SystemOPEN ACCESS
P. Woitke, J. Drażkowska, H. Lammer, K. Kadam, P. Marigo accepted by Astronomy & Astrophysics PDF (OPEN ACCESS) “Ca-Al-rich inclusions (CAIs) are the oldest dated solid materials in the solar system, found as light-coloured crystalline…
Ultra-refractory metal assemblages in calcium-aluminum-rich inclusions: Probes of the inner solar protoplanetary disk
Tarunika Ramprasad, Venkateswara Rao Manga, Laura B. Seifert, Prajkta Mane, Thomas J. Zega Geochimica et Cosmochimica ActaAvailable online 25 April 2024 LINK “Calcium-aluminum-rich inclusions (CAIs) are the first formed solids in our solar system. Information…
Oxygen Isotopic Variations in the Calcium, Aluminum-rich Inclusion–forming Region Recorded by a Single Refractory Inclusion from the CO3.1 Carbonaceous Chondrite Dar al Gani 083OPEN ACCESS
Samuel Ebert, Kazuhide Nagashima, Alexander N. Krot, Markus Patzek, and Addi Bischoff The Astrophysical Journal, Volume 966, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Calcium, aluminum-rich inclusions (CAIs) are the oldest solids dated that formed…
Experimental constraints on formation of silica-rich igneous rims around chondrules in CR chondritesOPEN ACCESS
Aimee Smith, Rhian H. Jones Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 15 April 2024 LINK (OPEN ACCESS) “Silica-rich igneous rims (SIRs) occur commonly as an outer rim layer on porphyritic chondrules in…
Chondrule Destruction via Dust Collisions in Shock WavesOPEN ACCESS
Yuji Matsumoto, Kosuke Kurosawa, Sota Arakawa accepted for publication in ApJ PDF (OPEN ACCESS) “A leading candidate for the heating source of chondrules and igneous rims is shock waves. This mechanism generates high relative velocities…
The influence of chondrules on sub-mm fragment shape distributions in Allende impact experiments
Tatsuhiro Michikami, Axel Hagermann, Akira Tsuchiyama, Yushi Otsuka, Michihiko Nakamura, Satoshi Okumura, Harumasa Kano, Junya Matsuno, Sunao Hasegawa IcarusIn Press, Journal Pre-proof, Available online 2 April 2024 LINK “Highlights • We investigated the shapes of…
Isotopic evolution of the inner solar system revealed by size-dependent oxygen isotopic variations in chondrules
Yves Marrocchi, Alizé Longeau, Rosa Lozano Goupil, Valentin Dijon, Gabriel Pinto, Julia Neukampf, Johan Villeneuve, Emmanuel Jacquet Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 11 March 2024 LINK “The systematic isotopic difference between…
Comet 81P/Wild 2 dust impactors of Stardust turnip-like tracks analogous to cluster IDPs
Mingming Zhang, Noël Chaumard, Céline Defouilloy, William O. Nachlas, Donald E. Brownlee, David J. Joswiak, Andrew J. Westphal, Zack Gainsforth, Kouki Kitajima, Noriko T. Kita Geochimica et Cosmochimica ActaAvailable online 24 February 2024 LINK “We…
Chondrule Formation During Low-Speed Collisions of Planetesimals: A Hybrid Splash-Flyby FrameworkOPEN ACCESS
William Herbst, James P. Greenwood Update (MAPS, 28 February 2024): LINK (OPEN ACCESS) / PDF (OPEN ACCESS) Accepted for publication in Meteoritics and Planetary Science PDF (OPEN ACCESS) “Chondrules probably formed during a small window…
Characterization of the micrometer scale surface roughness of meteoritic samples
R.M. Marshal, M. Patzek, O. Rüsch Icarus, In Press, Journal Pre-proof, Available online 1 February 2024 LINK “This study investigates the key role of boulders, particularly their surface texture, which are primary surface features on…
Snapshots of an Evolving Solar Nebula Recorded in Nucleosynthetic Sr and Ba Signatures of Early CondensatesOPEN ACCESS
R. T. C. Marqueze, B. L. A. Charlier, and F. L. H. Tissot The Astrophysical Journal Letters, Volume 961, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The discovery of extreme strontium isotope anomalies (μ84Sr) in…
Explosive Nucleosynthesis in Core-collapse Type II Supernovae: Insights from New C, N, Si, and Al–Mg Isotopic Compositions of Presolar GrainsOPEN ACCESS
Nan Liu, Conel M. O’D. Alexander, Bradley S. Meyer, Larry R. Nittler, Jianhua Wang, and Rhonda M. Stroud The Astrophysical Journal Letters, Volume 961, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report C, N,…
Nucleosynthetic isotope variations in chondritic meteorites and their relationship to bulk chemistry
Herbert Palme, Klaus Mezger MAPS, Version of Record online: 17 January 2024 LINK “The relationship of mass-independent stable isotope anomalies with the chemistry of chondritic meteorites provides constraints on mixing and fractionation processes in the…
Chondrules from the ordinary chondrite Itawa Bhopji (L3-5): Noble gases and nitrogen
Ramakant R. Mahajan Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 11 January 2024 LINK “Noble gases and nitrogen compositions are investigated in chondrules of Itawa Bhopji (L3-5) chondrite. Single chondrule and bunch of…
Condensate evolution in the solar nebula inferred from combined Cr, Ti, and O isotope analyses of amoeboid olivine aggregatesOPEN ACCESS
Christian A. Jansen, Christoph Burkhardt, Yves Marrocchi, Jonas M. Schneider, Elias Wölfer, Thorsten Kleine Earth and Planetary Science LettersVolume 627, 1 February 2024, 118567 LINK (OPEN ACCESS) “Highlight First combined O, Ti, and Cr isotopic…
Chondrule survivability in the solar nebulaOPEN ACCESS
Tetsuo Taki, Shigeru Wakita Update (27 February 2024): The Astrophysical Journal, Volume 963, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) accepted for publication in the Astrophysical Journal PDF (OPEN ACCESS) The lifetime of millimeter-sized dust…
Four-dimensional-STEM analysis of the phyllosilicate-rich matrix of Ryugu samplesOPEN ACCESS
Bahae-eddine Mouloud, Damien Jacob, Francisco de la Peña, Maya Marinova, Corentin Le Guillou, Jean-Christophe Viennet, Sylvain Laforet, Hugues Leroux, Adrien Teurtrie, Takaaki Noguchi, Toru Matsumoto, Akira Miyake, Yohei Igami, Mitsutaka Haruta, Hikaru Saito, Satoshi Hata,…
A common isotopic reservoir for amoeboid olivine aggregates (AOAs) and calcium-aluminum-rich inclusions (CAIs) revealed by Ti and Cr isotopic compositions
Zachary A. Torrano, Conel M.O’D. Alexander, Richard W. Carlson, Jan Render, Gregory A. Brennecka, Emma S. Bullock Earth and Planetary Science LettersVolume 627, 1 February 2024, 118551 LINK “Amoeboid olivine aggregates (AOAs) are the most…
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…
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…
Physical properties and average atomic numbers of chondrules using computed tomography
Yogita Kadlag, David Haberthür, Ingo Leya, Ruslan Hlushchuk, Klaus Mezger Planetary and Space ScienceAvailable online 17 October 2023, 105799 LINK “Micro-computed tomography is a fast and essentially non-destructive technique for studying 3D properties of solid…
Calcium-aluminum-rich inclusion found in the Ivuna CI chondrite: Are CI chondrites a good proxy for the bulk composition of the solar system?
David R. Frank, Gary R. Huss, Michael E. Zolensky, Kazuhide Nagashima, Loan Le MAPS, Version of Record online: 04 October 2023 LINK “Cosmochemists have relied on CI carbonaceous chondrites as proxies for chemical composition of…
The effect of Jupiter on the CAI storage problemOPEN ACCESS
Stefan Jongejan, Carsten Dominik, Cornelis Dullemond Astronomy & Astrophysics manuscript, September 26, 2023 PDF (OPEN ACCESS) “By studying the distribution of calcium-aluminium-rich inclusions (CAIs) that are embedded within meteorites, we can learn about the dynamical…
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…
Discussion of the unique “eclogitic” clast reported from Northwest Africa 801 (CR2) and the possibility of ejection of foundered crust from deep in a molten Moon-sized projectileOPEN ACCESS
Edward R. D. Scott, Ian S. Sanders, Erik Asphaug, Emma L. Tomlinson MAPSVersion of Record online: 07 September 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “A unique 2 mm-wide clast of fine-grained garnet–omphacite peridotite with chondritic chemistry…
Iron Isotope Constraints on the Structure of the Early Solar SystemOPEN ACCESS
Yves Marrocchi, Maxime Piralla, and François L. H. Tissot The Astrophysical Journal Letters, Volume 954, Number 1, Published: 1 September 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The recent advent of nontraditional isotopic systems has revealed…
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…
Petrographic constraints on the formation of silica-rich igneous rims around chondrules in CR chondritesOPEN ACCESS
Aimee Smith, Rhian H. Jones MAPSVersion of Record online: 19 July 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “In the CR (Renazzo-like) chondrite group, many chondrules have successive igneous rim (IR) layers, with an outer layer…
Origin of Low-26Al/27Al Corundum/Hibonite Inclusions in MeteoritesOPEN ACCESS
Steven J. Desch, Emilie T. Dunham, Ashley K. Herbst, Cayman T. Unterborn, Thomas G. Sharp, Maitrayee Bose, Prajkta Mane, Curtis D. Williams Accepted to The Astrophysical Journal PDF (OPEN ACCESS) Update (11 August 2023): The…
Abundant presolar grains and primordial organics preserved in carbon-rich exogenous clasts in asteroid RyuguOPEN ACCESS
Ann. N. Nguyen, Prajkta Mane, Lindsay P. Keller, Laurette Piani, Yoshinari Abe, Jérôme Aléon, Conel M. O’D. Alexander, Sachiko Amari, Yuri Amelin, Ken-ichi Bajo, Martin Bizzarro, Audrey Bouvier, Richard W. Carlson, Marc Chaussidon, Byeon-Gak Choi,Nicolas…
An in situ study of presolar grains and the fine-grained matrices of the Meteorite Hills 00526 and Queen Alexandra Range 97008 unequilibrated ordinary chondrites
Laura B. Seifert, Pierre Haenecour, Tarunika Ramprasad, Thomas J. Zega MAPSVersion of Record online: 09 July 2023 LINK “Here we report in situ structural and chemical analyses of four presolar grains and the matrices of…
Geochemistry of Trace Elements in Minerals of Porphyritic and Nonporphyritic Chondrules from Equilibrated Ordinary Chondrites
K. G. Sukhanova, S. G. Skublov, O. L. Galankina, E. V. Obolonskaya & E. L. Kotova Geochemistry International, Volume 61, pages 468–483Published: 06 July 2023 LINK “The paper presents the results of SIMS and EPMA…
The NC-CC dichotomy explained by significant addition of CAI-like dust to the Bulk Molecular Cloud (BMC) composition
Teng Ee Yap, François L.H. Tissot IcarusIn Press, Journal Pre-proof, Available online 30 June 2023 LINK “Nucleosynthetic isotope anomalies of planetary materials provide insight into their genetic ties, informing our understanding of early Solar System…
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…
Oxygen Isotope Exchange Between Molten Silicate Spherules and Ambient Water Vapor with Nonzero Relative Velocity: Implication for Chondrule Formation EnvironmentOPEN ACCESS
Sota Arakawa, Daiki Yamamoto, Takayuki Ushikubo, Hiroaki Kaneko, Hidekazu Tanaka, Shigenobu Hirose, Taishi Nakamoto Accepted for publication in Icarus PDF (OPEN ACCESS) Update (28 June 2023): Icarus LINK “Oxygen isotope compositions of chondrules reflect the…
Micro-XCT chondrule classification for subsequent isotope analysisOPEN ACCESS
Noah Jäggi, Antoine S. G. Roth, Miriam Rüfenacht, Maria Schönbächler, André Galli MAPSVersion of Record online: 23 June 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chondrules are microscopic, recrystallized melt droplets found in chondritic meteorites. High-resolution…
High reactivity of condensed amorphous silicate and implication for chondrites
Morgano Maxime, Le Guillou Corentin, Leroux Hugues, Marinova Maya, Dohmen Ralf IcarusIn Press, Journal Pre-proof, Available online 10 June 2023 LINK “Amorphous silicates are abundant in extraterrestrial objects such as interplanetary dust particles and primitive…
Modeling Chondrule Dust Rim Growth with Ellipsoidal MonomersOPEN ACCESS
C. Xiang, A. Carballido, L. S. Matthews, and T. W. Hyde The Astrophysical Journal, Volume 950, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Fine-grained dust rims (FGRs) surrounding chondrules in carbonaceous chondrites encode important information…
Early solar system chronology from short-lived chronometersOPEN ACCESS
Aryavart Anand, Klaus Mezger GeochemistryInvited ReviewAvailable online 30 May 2023, 126004 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Age constraints on early solar system processes and events can be derived from meteorites and their components using…
The high-temperature origin of hydrogen in enstatite chondrite chondrules and implications for the origin of terrestrial water
Dorian Thomassin, Laurette Piani, Johan Villeneuve, Marie-Camille Caumon, Nordine Bouden, Yves Marrocchi Earth and Planetary Science LettersVolume 616, 15 August 2023, 118225, Available online 30 May 2023 LINK “Due to their numerous isotopic similarities to…
26Al–26Mg chronology of high-temperature condensate hibonite in a fine-grained, Ca-Al-rich inclusion from reduced CV chondrite
Noriyuki Kawasaki, Daiki Yamamoto, Sohei Wada, Changkun Park, Hwayoung Kim, Naoya Sakamoto, Hisayoshi Yurimoto MAPS, First published: 15 May 2023 LINK “Al–Mg mineral isochron studies using secondary ion mass spectrometry (SIMS) have revealed the initial…
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)…
Insights on the Sun Birth Environment in the Context of Star Cluster Formation in Hub–Filament SystemsOPEN ACCESS
Doris Arzoumanian, Sota Arakawa, Masato I. N. Kobayashi, Kazunari Iwasaki, Kohei Fukuda, Shoji Mori, Yutaka Hirai, Masanobu Kunitomo, M. S. Nanda Kumar, and Eiichiro Kokubo The Astrophysical Journal Letters, Volume 947, Number 2 LINK (OPEN…
Study of Rb-Sr and Sm-Nd Isotopic Systems in Chondrules of the Sierra Gorda 009 and 013 Chondrites and Possible Mechanisms of Their Disturbance
M. A. Ivanova, A. V. Somsikova, C. A. Lorenz & Yu. A. Kostitsyn Geochemistry InternationalPublished: 24 April 2023 LINK “We conducted a first investigation of the Rb-Sr and Sm-Nd isotopic systems of chondrules from rare…
Cooling Rates of Chondrules after Lightning Discharge in Solid-rich EnvironmentsOPEN ACCESS
Hiroaki Kaneko, Kento Sato, Chihiro Ikeda, and Taishi Nakamoto The Astrophysical Journal, Volume 947, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Among the several candidate models for chondrule formation, the lighting model has been recognized…
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…
In situ oxygen, magnesium, and silicon isotopic compositions of the FUN inclusion Vigarano 1623-5OPEN ACCESS
Johanna Marin-Carbonne, Kevin D. McKeegan, Andrew M. Davis, Glenn J. MacPherson, Ruslan A. Mendybaev, Frank M. Richter MAPSVersion of Record online: 27 March 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Oxygen, magnesium, and silicon isotopic abundances…
Impacts on the CV parent body: A coordinated, multiscale fabric analysis of the Allende meteoriteOPEN ACCESS
L. V. Forman, L. Daly, P. A. Bland, G. K. Benedix, C. Corrigan MAPSVersion of Record online: 27 March 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Evidence of impact-induced compaction in the carbonaceous chondrites, specifically CMs…
Protracted Timescales for Nebular Processing of First-formed Solids in the Solar SystemOPEN ACCESS
Prajkta Mane, Maitrayee Bose, Meenakshi Wadhwa, and Céline Defouilloy The Astrophysical Journal, Volume 946, Number 1, Published: 24 March 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The calcium–aluminum-rich inclusions (CAIs) from chondritic meteorites are the first…
Titanium and chromium isotopic compositions of calcium-aluminum-rich inclusions: Implications for the sources of isotopic anomalies and the formation of distinct isotopic reservoirs in the early Solar System
Zachary A. Torrano, Gregory A. Brennecka, Cameron M. Mercer, Stephen J. Romaniello, Vinai K. Rai, Rebekah R. Hines, Meenakshi Wadhwa, Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 21 March 2023 LINK “As the…
Igneous Rim Accretion on Chondrules in Low-Velocity Shock WavesOPEN ACCESS
Yuji Matsumoto, Sota Arakawa draft, accepted for publication in ApJ PDF (OPEN ACCESS) “Shock wave heating is a leading candidate for the mechanisms of chondrule formation. This mechanism forms chondrules when the shock velocity is…
Origin of isotopic diversity among carbonaceous chondritesOPEN ACCESS
Jan L. Hellmann, Jonas M. Schneider, Elias Wölfer, Joanna Drążkowska, Christian A. Jansen, Timo Hopp, Christoph Burkhardt, Thorsten Kleine Accepted for publication in ApJL PDF (OPEN ACCESS) “Carbonaceous chondrites are some of the most primitive…
Mineralogical alteration of a type A CAI from Allende CV3 chondrite: Formation of secondary dmisteinbergite and its phase transition to anorthiteOPEN ACCESS
Yuma Enokido, Tomoki Nakamura, Megumi Matsumoto, Akira Miyake, Takazo Shibuya, Changkun Park, Mike Zolensky MAPSVersion of Record online: 24 February 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Dmisteinbergite, a hexagonal form of CaAl2Si2O8, was found in…
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…
Chondrule-like objects and Ca-Al-rich inclusions in Ryugu may potentially be the oldest Solar System materialsOPEN ACCESS
Daisuke Nakashima, Tomoki Nakamura, Mingming Zhang, Noriko T. Kita, Takashi Mikouchi, Hideto Yoshida, Yuma Enokido, Tomoyo Morita, Mizuha Kikuiri, Kana Amano, Eiichi Kagawa, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe,…
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…
An Astrophysical Site for Chondrule Formation
Herbst W.* Greenwood J. P. 54th Lunar and Planetary Science Conference 2023 abstract [#1209] We propose that chondrules form during the accretion of primitive planetesimal fragments to differentiated planetesimals.
Meteoritic Carbonates — The Key to Sampling Extraterrestrial Fluids?
Krizan P. A. B.* Chan Q. H. S. Zolensky M. E. Bodnar R. J. Papineau D. Bays C. 54th Lunar and Planetary Science Conference 2023 abstract [#1498] Here, we aim to locate and analyze new candidates for extraterrestrial fluid inclusions within carbonate grains of several…
Comparing the Ages of OC and CC CAIs
Dunham E. T.* Burman A. McKeegan K. D. Liu M.-C. Matsuda N. Telus M. 54th Lunar and Planetary Science Conference 2023 abstract [#1634] NC and CC / CAIs formed at the same / Time and area.
Abundance of Presolar Grains in the C3.00-Ungrouped Chondrite Chwichiya 002
Smith L. R.* Haenecour P. Barnes J. Domanik K. Neuman M. Wang K. 54th Lunar and Planetary Science Conference 2023 abstract [#2425] Chwichiya 002 is a C3.00-ungrouped chondrite with presolar grain abundances similar to the ones in the most primitive carbonaceous chondrites.
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…
Strontium isotope evidence for the repeated formation of refractory inclusions in the Allende meteorite
Yuki Masuda, Tetsuya Yokoyama Geochimica et Cosmochimica ActaAvailable online 27 January 2023 LINK “Calcium-aluminum-rich inclusions (CAIs) in chondrite meteorites are the oldest rocks in the Solar System and were formed by condensation from nebular gas….
Tracing the history of an unusual compound presolar grain from progenitor star to asteroid parent body hostOPEN ACCESS
Sheryl A. Singerling, Larry R. Nittler, Jens Barosch, Elena Dobrica, Adrian J. Brearley, Rhonda M. Stroud Accepted for publication in Geochimica et Cosmochimica Acta on January 17, 2023 PDF (OPEN ACCESS) “We conducted a TEM…
Nucleation experiments on a titanium-carbon system imply nonclassical formation of presolar grainsOPEN ACCESS
Yuki Kimura, Kyoko K. Tanaka, Yuko Inatomi, Coskun Aktas, and Jürgen Blum Science Advances13 Jan 2023Vol 9, Issue 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Just as the shapes of snowflakes provide us with information on the temperature and humidity of…
A unified chronology of dust formation in the early solar systemOPEN ACCESS
Maxime Piralla, Johan Villeneuve, Nicolas Schnuriger, David V. Bekaert, Yves Marrocchi IcarusAvailable online 9 January 2023, 115427 (updated: 12 January 2023) LINK (OPEN ACCESS)PDF (OPEN ACCESS) Highlights • Aluminum-Magnesium dating of spinel-bearing chondrules. • Chondrule…
Thermodynamic Calculations Support a Rain Cloud Model of Chondrule FormationOPEN ACCESS
Arthur D. Pelton ACS Earth and Space ChemistryPublication Date: January 4, 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Thermodynamic calculations using the critically evaluated and optimized FactSage databases lead to the conclusion that chondrules of all…
High precision nickel isotope measurements of early Solar System materials and the origin of nucleosynthetic disk variabilityOPEN ACCESS
Georgy V. Makhatadze (Георгий В. Махатадзе), Martin Schiller, Martin Bizzarro Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 30 December 2022 LINK (OPEN ACCESS) “Various chemical elements including nickel (Ni) exhibit mass-independent isotope heterogeneity…
Lithium and boron isotopic compositions of olivine in chondrules from carbonaceous and ordinary chondrite meteorites: implications for the origin of solar 11B/10B ratioOPEN ACCESS
Ming-Chang Liu, Marc Chaussidon, Nozomi Matsuda Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 5 December 2022 LINK (OPEN ACCESS) “The origin of solar 11B/10B ratio ∼4 remains an open question. It has been…
Statistical Chronometry of Meteorites. II. Initial Abundances and Homogeneity of Short-lived RadionuclidesOPEN ACCESS
Steven J. Desch, Daniel R. Dunlap, Curtis D. Williams, Prajkta Mane, Emilie T. Dunham Submitted to Geochimica et Cosmochimica Acta PDF (OPEN ACCESS) Update (published in Icarus, 6 May 2023): LINK “• We present a…
On the Nucleosynthetic Origin of Presolar Silicon Carbide X-Grains
by Waheed Akram, Oliver Hallmann, Bernd Pfeiffer and Karl-Ludwig Kratz Universe, Volume 8, Issue 12Published: 28 November 2022 LINK (OPEN ACCESS)PDF (DOWNLOAD) “In this paper we present an extension of our nucleosynthesis parameter study within…
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…
The early Solar System Abundance of Iron-60: New Constraints from Chondritic SilicatesOPEN ACCESS
János Kodolányi, Peter Hoppe, Christian Vollmer, Jasper Berndt, and Maren Müller The Astrophysical Journal, Volume 940, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The abundance of iron-60 in the early solar system is important for…
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…
Trace element composition of silicate minerals in the porphyritic and nonporphyritic chondrules of Elenovka (L5) and Knyahinya (L/LL5) meteorites
Kristina Sukhanova, Sergey Skublov, Olga Galankina, Elena Kotova GeochemistryIn Press, Journal Pre-proof, Available online 8 November 2022 LINK “The results of SIMS and EPMA studies on the silicate minerals and bulk compositions (SEM-EDS) of porphyritic…
Tellurium isotope fractionation during evaporation from silicate melts
C.J. Renggli, J.L. Hellmann, C. Burkhardt, S. Klemme, J. Berndt, P. Pangritz, T. Kleine Geochimica et Cosmochimica ActaAvailable online 26 October 2022 LINK “Highlights • Tellurium volatility increases with oxygen fugacity.• Degassing of Te at…
A petrologic and microstructural study of a compact type A calcium-aluminum-rich inclusion from the Northwest Africa 5028 CR2 chondrite: Implications for nebular and parent-body processes
Tarunika Ramprasad, Pierre Haenecour, Kenneth Domanik, Thomas J. Zega MAPSVersion of Record online: 22 September 2022 LINK “Compact type A calcium-aluminum-rich inclusions (CTA CAIs) are believed to have experienced partial melting that erased all information…
Compositions of carbonaceous-type asteroidal cores in the early solar systemOPEN ACCESS
Bidong Zhang, Nancy L. Chabot and Alan E. Rubin Science Advances16 Sep 2022Vol 8, Issue 37 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials (PDF) “The parent cores of iron meteorites belong to the earliest accreted…
Oxygen isotope exchange kinetics between CAI melt and carbon monoxide gas: Implication for CAI formation in the earliest Solar System
Daiki Yamamoto, Noriyuki Kawasaki, Shogo Tachibana, Michiru Kamibayashi, Hisayoshi Yurimoto Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 14 September 2022 LINK “Coarse-grained igneous calcium-aluminum-rich inclusions (CAIs) are suggested to have experienced gas-melt isotope…
Diverse Assemblage of Presolar and Solar System Materials in Anhydrous Interplanetary Dust Particles: Coordinated NanoSIMS and TEM AnalysesOPEN ACCESS
A.N. Nguyen, K. Nakamura-Messenger, L.P. Keller, S. Messenger Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 9 September 2022 LINK (OPEN ACCESS) “A coordinated TEM and NanoSIMS isotopic imaging study of microtome sections of…
Isotopic ratios for C, N, Si, Al, and Ti in C-rich presolar grains from massive stars
Jordan Schofield, Marco Pignatari, Richard J Stancliffe, Peter Hoppe Monthly Notices of the Royal Astronomical Society, stac2498Published: 08 September 2022 LINK “Certain types of silicon carbide (SiC) grains, e.g. SiC-X grains, and low density (LD)…
Presolar O- and C-anomalous grains in unequilibrated ordinary chondrite matricesOPEN ACCESS
Jens Barosch, Larry R. Nittler, Jianhua Wang, Elena Dobrică, Adrian J. Brearley, Dominik C. Hezel, Conel M. O’D. Alexander Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 August 2022 LINK PDF (OPEN ACCESS)…
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…
Presolar Stardust in Asteroid RyuguOPEN ACCESS
Jens Barosch, Larry R. Nittler, Jianhua Wang, Conel M. O’D. Alexander, Bradley T. De Gregorio, Cécile Engrand, Yoko Kebukawa, Kazuhide Nagashima, Rhonda M. Stroud, Hikaru Yabuta et all The Astrophysical Journal Letters, Volume 935, Number…
Dust from supernovae and their progenitors in the solar nebula
Peter Hoppe, Jan Leitner, János Kodolányi, Stephan Borrmann & Anthony P. Jones Nature AstronomyReview ArticlePublished: 01 August 2022 LINK “Pristine stardust grains from the interstellar gas and dust cloud from which our Solar System formed…
SIMS matrix effects in oxygen isotope analysis of olivine and pyroxene: Application to Acfer 094 chondrite chondrules and reconsideration of the primitive chondrule minerals (PCM) line
Mingming Zhang, Kohei Fukuda, Michael J. Spicuzza, Guillaume Siron, Adriana Heimann, Alex J. Hammerstromb, Noriko T.Kita, Takayuki Ushikubo, John W.Valley Chemical GeologyIn Press, Journal Pre-proof, Available online 11 July 2022 LINK “The instrumental bias (here…
Slow Neutron-Capture Process: Low-Mass Asymptotic Giant Branch Stars and Presolar Silicon Carbide GrainsOPEN ACCESS
Nan Liu, Sergio Cristallo, Diego Vescovi Universe 2022, 8(7), 362Review, Published: 30 June 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Presolar grains are microscopic dust grains that formed in the stellar winds or explosions of ancient…
Isotopic evidence for two chondrule generations in CR chondrites and their relationships to other carbonaceous chondrites
Yves Marrocchi, Maxime Piralla, Maxence Regnault, Valentina Batanova, Johan Villeneuve, Emmanuel Jacquet Earth and Planetary Science LettersVolume 593, 1 September 2022 LINK “Highlights • CR chondrites are characterized by two distinct chondrule populations.• Large CR…
Analysis of individual matrix particles in the Allende meteorite by high-resolution FIB–TOF–SIMS
Masato Morita, Masatoshi Miyamura, Akira Yamaguchi & Tetsuo Sakamoto Analytical SciencesPublished: 24 June 2022 LINK “The matrix in the “Allende meteorite” was analyzed by high-spatial-resolution focused ion beam time-of-flight secondary ion mass spectrometry (FIB–TOF–SIMS), and…
The Dynamic Formation Process of the CB Chondrite Gujba
Piers Koefoed, Olga Pravdivtseva, Ryan Ogliore, Yun Jiang, Katharina Lodders, Mason Neuman, Kun Wang (王昆) Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 23 June 2022 LINK “The many unique characteristics of CB chondrites…
Earliest Evidence of Nebular Shock Waves Recorded in a Calcium-Aluminum-rich Inclusion
Prajkta Mane, Shawn Wallace, Maitrayee Bose, Paul Wallace, Meenakshi Wadhwa, Juliane Weber, Thomas J. Zega Geochimica et Cosmochimica ActaAvailable online 20 June 2022 LINK “Highlights • Electron backscatter diffraction analysis of a calcium-aluminum rich inclusion…
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.”
Nanodiamond of Meteorites: Concentrations and Isolation Kinetics of Possible Initial Xenon Components
A. V. Fisenko & L. F. Semjonova Geochemistry International, Volume 60, pages 530–536Published: 06 June 2022 LINK “The uncertainty in the isotope compositions of the initial (primary) xenon components responsible for its measured composition in…
The Timing of Potential Last Nucleosynthetic Injections into the Protosolar Molecular Cloud Inferred from 41Ca–26Al Systematics of Bulk CAIsOPEN ACCESS
Yaray Ku, Michail I. Petaev, and Stein B. Jacobsen The Astrophysical Journal Letters, Volume 931, Number 1Published: 23 May 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Short-lived radionuclides (SLRs) provide important information about the chronology of…
Chondrule formation via impact jetting in the icy outer solar system
Melissa D. Cashion, Brandon C. Johnson, Alexander N. Krot, Katherine Kretke, Shigeru Wakita, Thomas M. Davison IcarusIn Press, Journal Pre-proof, Available online 24 May 2022 LINK “Highlights • Jetting during icy impacts is proposed to…
New minerals in type A inclusions from Allende and clues to processes in the early solar system: Paqueite, Ca3TiSi2(Al,Ti,Si)3O14, and burnettite, CaVAlSiO6
Chi Ma, John R. Beckett, François L. H. Tissot, George R. Rossman MAPSVersion of Record online: 12 May 2022 LINK “Paqueite (Ca3TiSi2[Al,Ti,Si]3O14; IMA 2013-053) and burnettite (CaVAlSiO6; IMA 2013-054) are new refractory minerals, occurring as…
TEM analyses of in situ presolar grains from unequilibrated ordinary chondrite LL3.0 SemarkonaOPEN ACCESS
Sheryl A. Singerling, Larry R. Nittler, Jens Barosch, Elena Dobrica, Adrian J. Brearley, Rhonda M. Stroud Accepted for publication in Geochimica et Cosmochimica Acta on May 5, 2022 PDF (OPEN ACCESS) Update (11 May 2022):…
Atomic-scale structure and non-stoichiometry of meteoritic hibonite: A transmission electron microscope study
Jangmi Han, Ichiro Ohnishi, Akira Yasuhara, Lindsay P. Keller American Mineralogist (2022) 107 (5): 873–884 LINK “Hibonite (CaAl12O19) is a common refractory mineral in Ca-Al-rich inclusions (CAIs) in primitive meteorites. Transmission electron microscope (TEM) studies…
Formation of fused aggregates under long-term microgravity conditions aboard the ISS with implications for early solar system particle aggregationOPEN ACCESS
Tamara E. Koch, Dominik Spahr, Beverley J. Tkalcec, Oliver Christ, Philomena-Theresa Genzel, Miles Lindner, David Merges, Fabian Wilde, Björn Winkler, Frank E. Brenker MAPSVersion of Record online: 21 April 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS)…
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…
Hydrogen Burning of 29Si and Its Impact on Presolar Stardust Grains from Classical NovaeOPEN ACCESS
Lori Downen, Christian Iliadis, Art Champagne, Thomas Clegg, Alain Coc, and Jordi José The Astrophysical Journal, Volume 928, Number 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Presolar stardust grains found in primitive meteorites are believed to…
Spinel in CV chondrules: Investigating precursor legacy and chondrule thermal histories
Nicolas Schnuriger, Camille Cartier, Johan Villeneuve, Valentina Batanova, Maxence Regnault, Yves Marrocchi MAPSVersion of Record online: 01 April 2022 LINK “In carbonaceous chondrites, Mg-spinel (MgAl2O4) grains are ubiquitous in refractory inclusions but rarely reported in…
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…
Smooth rims in Queen Alexandra Range (QUE) 99177: Fluid–chondrule interactions and clues on the geochemical conditions of the primordial fluid that altered CR carbonaceous chondrites
Marina Martínez, Adrian J. Brearley Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 March 2022 LINK “Queen Alexandra Range (QUE) 99177 is one of the least altered CR carbonaceous chondrite known, with mineralogical…
In-situ O-isotope analysis of relict spinel and forsterite in small (<200μm) Antarctic micrometeorites – samples of chondrules & CAIs from carbonaceous chondrites
N.G. Rudraswami, M.D. Suttle, Y. Marrocchi, S. Taylord, J. Villeneuve Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 March 2022 LINK “We report high-precision secondary ion mass spectrometer triple oxygen isotope systematics (95…
Comparison between Core-collapse Supernova Nucleosynthesis and Meteoric Stardust Grains: Investigating Magnesium, Aluminium, and ChromiumOPEN ACCESS
Jacqueline den Hartogh, Maria K. Petö, Thomas Lawson, Andre Sieverding, Hannah Brinkman, Marco Pignatari, and Maria Lugaro The Astrophysical Journal, Volume 927, Number 2Published: 2022 March 17 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Isotope variations of…
Presolar grain dynamics: creating nucleosynthetic variations through a combination of drag and viscous evolutionOPEN ACCESS
Mark A. Hutchison, Jean-David Bodénan, Lucio Mayer, Maria Schönbächler accepted for publication in MNRAS PDF (OPEN ACCESS) Update (21 March 2022): LINK “Meteoritic studies of solar system objects show evidence of nucleosynthetic heterogeneities that are…
Titanium isotope systematics of refractory inclusions: Echoes of molecular cloud heterogeneity
Quinn R. Shollenberger, Jan Render, Michelle K. Jordan, Kaitlyn A. McCain, Samuel Ebert, Addi Bischoff, Thorsten Kleine, Edward D.Young Geochimica et Cosmochimica ActaAvailable online 5 March 2022 LINK “Calcium-aluminum-rich inclusions (CAIs) are highly refractory objects…
Sr distribution as proxy for Ca distribution at depth in SXRF analysis of mm-sized carbonaceous chondrites: Implications for asteroid sample return missionsOPEN ACCESS
B. J. Tkalcec, P. Tack,E. De Pauw, B. Vekemans, T. Nakamura, J. Garrevoet, G. Falkenberg, L. Vincze, F. E. Brenker MAPSVersion of Record online: 02 March 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Reliable identification of…
High precision 26Al-26Mg chronology of chondrules in unequilibrated ordinary chondrites: evidence for restricted formation ages
Guillaume Siron, Kohei Fukuda, Makoto Kimura, Noriko T. Kita Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 14 February 2022 LINK “Chondrules in ordinary chondrites are considered to form in high density environments, likely…
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…
Carbonaceous Presolar Grains in Asteroid Ryugu
Nittler L R. Barosch J. De Gregorio B. T. Stroud R. M. Yabuta H. et al. PDF LPSC 2022 abstract [#1423] “Dust made of carbon / Older than Sun, found in / Ryugu samples..”
Oxygen-Isotope Compositions of Chondrules in Metal-Rich Carbonaceous Chondrites Fountain Hills and Sierra Gorda 013
Krot A. N. Nagashima K. Ivanova M. A. Lauretta D. S. Libourel G. et al. PDF LPSC 2022 abstract [#1301] “O-isotope compositions of chondrules in Fountain Hills and Sierra Gorda 013 are similar to those…
Mineralogy, Petrography, and Presolar Components of the Chwichiya 002 Ungrouped Chondrite
Smith R. L. Haenecour P. Barnes J. J. Dominik K. Neuman M. et al. PDF LPSC 2022 abstract [#2873] “We constrained the mineralogy, petrography, and elemental composition of Chwichiya 002 in preparation for a NanoSIMS…
Determination of the initial hydrogen isotopic composition of the solar system
J. Aléon, D. Lévy, A. Aléon-Toppani, H. Bureau, H. Khodja & F. Brisset Nature Astronomy (2022)Published: 03 February 2022 LINK Supplementary information “The initial isotopic composition of water in the Solar System is of paramount…
Microstructural and Chemical Investigations of Presolar Silicates from Diverse Stellar EnvironmentsOPEN ACCESS
Manish N. Sanghani, Luc Lajaunie, Kuljeet Kaur Marhas, William D. A. Rickard, Silver Sung-Yun Hsiao, Zan Peeters, Hsien Shang, Der-Chuen Lee, José. J. Calvino, and Martin Bizzarro The Astrophysical Journal, Volume 925, Number 2 LINK…
