Two isotopically distinct populations of refractory inclusions in the EHa3 chondrite Sahara 97072 – Significance for understanding the evolution of the CAI-formation regionOPEN ACCESS
Samuel Ebert, Kazuhide Nagashima, Alexander N. Krot, Addi Bischoff Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 27 December 2024 LINK + PDF (OPEN ACCESS) “The nature of isotopic differences between ‘normal’ Ca,Al-rich inclusions…
Calcium isotope evidence for the formation of early condensates in the Solar System from unmixed reservoirs with distinct nucleosynthetic originsOPEN ACCESS
Yuki Masuda, Martin Schiller, Martin Bizzarro, Tetsuya Yokoyama Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 15 November 2024 LINK + PDF (OPEN ACCESS) “Calcium-aluminum rich inclusions (CAIs) are the oldest condensates in the…
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…
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…
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…
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…
Thermal processing of primordial pebbles in evolving protoplanetary disksOPEN ACCESS
Maria Jose Colmenares, Michiel Lambrechts, Elishevah van Kooten, Anders Johansen Accepted for publication in A&A PDF (OPEN ACCESS) During protoplanetary disk formation, dust grains located in the outer disk retain their pristine icy composition, while…
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…
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…
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…
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,…
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…
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…
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…
The Formation of Type B CAIs: Evolution from Type A CAIs
G.J. MacPherson, A.N. Krot, N.T. Kita, E.S. Bullock, K. Nagashima, T. Ushikubo, M.A.Ivanova Geochimica et Cosmochimica ActaAvailable online 7 January 2022 LINK “Five Type A CAIs from three CV3 chondrites (Vigarano, Northwest Africa 3118, Allende),…
Refractory inclusions as Type IA chondrule precursors: Constraints from melting experiments
Scott A. Whattam, Roger H. Hewins, Jieun Seo, Bertrand Devouard Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 December 2021 LINK “The formation of chondrules involved major processes in the protoplanetary disk and…
Survival of presolar p-nuclide carriers in the nebula revealed by stepwise leaching of Allende refractory inclusionsOPEN ACCESS
Bruce L. A. Charlier, François L. H. Tissot, Hauke Vollstaedt, Nicolas Dauphas, Colin J. N. Wilson, Ren T. Marquez Science Advances 09 Jul 2021:Vol. 7, no. 28, eabf6222 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The 87Rb-87Sr…
Oxygen and Al-Mg isotopic constraints on cooling rate and age of partial melting of an Allende Type B CAI, Golfball
Noriyuki Kawasaki, Shoichi Itoh, Naoya Sakamoto, Steven B. Simon, Daiki Yamamoto, Hisayoshi Yurimoto Meteoritics & Planetary ScienceVersion of Record online: 07 July 2021 LINK “Coarse-grained, igneous Ca-Al-rich inclusions (CAIs) in CV chondrites formed through multiple…
Investigating the Origin of Oxygen Isotopic Variations in Meteorites
Burbine T. H., Greenwood R. C. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6210) PDF We are currently undertaking modeling to investigate how the oxygen isotopic variations seen in meteorites can be…
Evidence for protosolar graphene in Allende and QUE 94366 CV3 meteorites
Chaitanya Giri, Andrew Steele, Marc Fries Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 27 May 2021 LINK “Highlights o Nanoscale graphene is found embedded in refractory inclusions of two different CV3 meteorites, Allende…
A super‐refractory inclusion containing nonstoichiometric spinel from the CO3.0 chondrite Yamato 81020
Hisayoshi Yurimoto, Alan E. Rubin, Shoichi Itoh, John T. Wasson Meteoritics & Planetary ScienceVersion of Record online: 03 May 2021 LINK “We studied a unique super‐refractory inclusion with a core‐mantle structure from CO3.0 Yamato 81020…
Shape and porosity of refractory inclusions in CV3 chondrites: A micro‐computed tomography (µCT) study
Mingming Zhang, Brett Clark, Ashley J. King, Sara S. Russell, Yangting Lin Meteoritics & Planetary ScienceVersion of Record online:17 March 2021 LINK “Refractory calcium‐aluminum‐rich inclusions (CAIs) and amoeboid olivine aggregates (AOAs) in chondritic meteorites are…
Comparison of the Murchison CM2 and Allende CV3 chondrites
Kim V. Fendrich, Denton, S. Ebel Meteoritics & Planetary ScienceVersion of Record online:09 February 2021 LINK “The size, distribution, abundance, and physical and chemical characteristics of chondritic inclusions are key features that define the chondrite…
Microstructures of enstatite in fine-grained CAIs from CV3 chondrites: Implications for mechanisms and conditions of formation
Shaofan Che, Adrian J. Brearley Geochimica et Cosmochimica ActaAvailable online 12 January 2021 LINK “Enstatite is a ubiquitous phase in chondritic meteorites, interplanetary dust particles, and cometary samples. In equilibrium condensation models, enstatite is predicted…
Nature of the Clinoenstatite Rim in Refractory Forsterite-Rich Objects from Carbonaceous Chondrites: First Results of Study by the Method of Electron Backscatter Diffraction (EBSD)
S. V. Berzin, V. A. Koroteev, K. A. Dugushkina, V. V. Shilovskikh, D. A. Zamyatin & S. Yu. Stepanov Doklady Earth Sciences, Volume 495, pages 812–815 LINK “A clinoenstatite rim occurs in many refractory forsterite-rich…
Rocklines as Cradles for Refractory Solids in the Protosolar Nebula
Artyom Aguichine, Olivier Mousis, Bertrand Devouard, Thomas Ronnet The Astrophysical Journal, Volume 901, Number 2Published 2020 September 25 LINK “In our solar system, terrestrial planets and meteoritical matter exhibit various bulk compositions. To understand this…
The Nature of the Enstatite Rim in Refractory Forsterite-Rich Inclusions: An EBSD Study
Kseniya A. Dugushkina, Stepan V. Berzin, Dmitry A. Zamyatin Minerals: Structure, Properties, Methods of Investigation. pp 59-63, Conference paper LINK “Refractory forsterite-rich inclusions are a common component for different classes of chondrites. They belong to…
One of the earliest refractory inclusions and its implications for solar system history
Jean-David Bodénan, Natalie A. Starkey, Sara S. Russell, Ian P. Wright, Ian A. Franchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 11 July 2020 LINK “A ∼175 µm refractory inclusion, A-COR-01 from one…
26Al-26Mg isotopic, mineralogy, petrography of a Hibonite-Pyroxene Spherule in Allan Hills 77307 (CO3.03): Implications for the origin and evolution of these objectsOPEN ACCESS
Ritesh Kumar Mishra Solar and Stellar Astrophysics PDF (OPEN ACCESS) Substantial text overlap with A Hibonite-Pyroxene Spherule in Allan Hills 77307 (CO3.03): Petrography and Mineralogy “10 Hibonite-pyroxene/glass spherules discovered hitherto are a rare suite of…
New insights into the structure and formation of coals, terrestrial and extraterrestrial kerogens from resonant UV Raman spectroscopy
Eric Quirico, Lydie Bonal, Gilles Montagnac, Pierre Beck, Bruno Reynard Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 1 June 2020 LINK “Resonant UV (244 nm-excitation) Raman spectroscopy was used to characterize a series…
A refractory inclusion with solar oxygen isotopes and the rarity of such objects in the meteorite record
Levke Kööp, Kazuhide Nagashima, Andrew M. Davis, Alexander N. Krot Meteoritics & Planetary Science First Published: 27 March 2020 LINK “NASA’s Genesis mission revealed that the Sun is enriched in 16O compared to the Earth…
Refractory Inclusions in the Unique Meteorite from Amundsen Glacier (AMU 17290) in Antarctica: Implications for Early Solar System Processes
I. Baziotis, A. Papoutsa, S. Xydous, D. Michailidis, P. Karkanas, J. Karner, S. J. V. VanBommel, M. Anand, P. D. Asimow 51st Lunar and Planetary Science Conference (2020), Abstract #1842 PDF (OPEN ACCESS) “Meteorites, especially…
Episodic formation of refractory inclusions in the Solar System and their presolar heritageOPEN ACCESS
K.K. Larsen, D. Wielandt, M. Schiller, A.N. Krot, M. Bizzarro Earth and Planetary Science Letters Volume 535, 1 April 2020, 116088 LINK (OPEN ACCESS) PDF (download) “Highlights • Mg isotopes show multiple populations of refractory…
Molecular Cloud Origin for Oxygen Isotopic Heterogeneity Recorded by a Primordial Spinel-rich Refractory Inclusion
Justin I. Simon, D. Kent Ross, Ann N. Nguyen, Steven B. Simon, and Scott Messenger The Astrophysical Journal Letters, Volume 884, Number 2 LINK “A spinel-rich, layered calcium- aluminum-rich spherule from the MIL 090019 CO3…
Fingerprints of the Protosolar Cloud Collapse in the Solar System. II. Nucleosynthetic Anomalies in MeteoritesOPEN ACCESS
Emmanuel Jacquet, Francesco C. Pignatale, Marc Chaussidon, and Sébastien Charnoz The Astrophysical Journal, Volume 884, Number 1 PDF (OPEN ACCESS) LINK “The isotopic heterogeneity of the solar system shown by meteorite analyses is more pronounced…
Nucleosynthetic, radiogenic and stable strontium isotopic variations in fine- and coarse-grained refractory inclusions from Allende
B.L.A. Charlier, F.L.H. Tissot, N. Dauphas, C.J.N. Wilson Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 12 September 2019 LINK “We present new nucleosynthetic, radiogenic and stable Sr isotopic data from fifteen previously…
MINERALOGY, PETROGRAPHY, AND OXYGEN AND ALUMINUM-MAGNESIUM ISOTOPE SYSTEMATICS OF GROSSITE-BEARING REFRACTORY INCLUSIONS
Alexander N. Krot, Kazuhide Nagashima, Steven B. Simon, Chi Ma, Harold C. Connolly Jr., Gary R. Huss, Andrew M. Davis, Martin Bizzarro Geochemistry Available online 15 August 2019 LINK “Grossite (CaAl4O7) is one of the…
Refractory inclusions in carbonaceous chondrites: Records of early solar system processes
Alexander N. Krot Meteoritics & Planetary Science First Published: 23 July 2019 LINK “Chondrites consist of three major components: refractory inclusions (Ca,Al‐rich inclusions [CAIs] and amoeboid olivine aggregates), chondrules, and matrix. Here, I summarize recent…
Bulk chondrite variability in mass independent magnesium isotope compositions – Implications for initial solar system 26Al/27Al and the timing of terrestrial accretion
Tu-Han Luu, Remco C. Hin, Christopher D. Coath, Tim Elliott Earth and Planetary Science Letters Volume 522, 15 September 2019, Pages 166-175 LINK “Highlights • Bulk chondrites Al–Mg isotope analyses define a canonical isochron. •…
Titanium isotopic evidence for a shared genetic heritage of refractory inclusions from different carbonaceous chondrites
Jan Render, Samuel Ebert, Christoph Burkhardt, Thorsten Kleine, Gregory A. Brennecka Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 14 March 2019 LINK “Insights into the earliest stages of our Solar System can…
On beryllium-10 production in gaseous protoplanetary disks and implications on the astrophysical setting of refractory inclusionsOPEN ACCESS
Emmanuel Jacquet Accepted to Astronomy & Astrophysics PDF (OPEN ACCESS) “Calcium-Aluminum-rich Inclusions (CAIs), the oldest known solids of the solar system, show evidence for the past presence of short-lived radionuclide beryllium-10, which was likely produced…
Textural and compositional evidence for in situ crystallization of palisade bodies in coarse‐grained Ca‐Al‐rich inclusions
Mingming Zhang, Yangting Lin, Ingo Leya, Guoqiang Tang, Yu Liu Meteoritics & Planetary Science First Published: 21 February 2019 LINK “Palisade bodies, mineral assemblages with spinel shells, in coarse‐grained Ca‐, Al‐rich inclusions (CAIs) have been…
Grossite-Rich Refractory Inclusions in Carbonaceous Chondrites: Evidence for Early Generation of Different O-Isotope Reservoirs in the Protoplanetary Disk and O-Isotope Exchange During Fluid-Rock Interaction
A. N. Krot, K. Nagashima, S. B. Simon, C. Ma 50th Lunar and Planetary Science Conference (2019), Abstract #1230 PDF abstract
Condensate refractory inclusions from the CO3.00 chondrite Dominion Range 08006: Petrography, mineral chemistry, and isotopic compositions
S.B. Simon, A.N. Krot, K. Nagashima, L. Kööp, A.M. Davis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 November 2018 LINK “We have found two refractory inclusions in the CO3.00 carbonaceous chondrite…
Making the Planetary Material Diversity During the Early Assembling of the Solar SystemOPEN ACCESS
Francesco Cristiano Pignatale, Sébastien Charnoz, Marc Chaussidon, Emmanuel Jacquet Accepted 24/10/2018, ApJL PDF (OPEN ACCESS) LINK “Chondritic meteorites, the building blocks of terrestrial planets, are made of an out-of-equilibrium assemblage of solids formed at high…
Er, Yb, and Hf isotopic compositions of refractory inclusions: An integrated isotopic fingerprint of the Solar System’s earliest reservoir
Quinn R. Shollenberger, Jan Render, Gregory A. Brennecka Earth and Planetary Science Letters Volume 495, 1 August 2018, Pages 12–23 LINK “Highlights • We present new methods to measure Er and Yb isotopes by MC-ICPMS…
Calcium and titanium isotopes in refractory inclusions from CM, CO, and CR chondrites
Levke Kööp, Andrew M. Davis, Alexander N. Krot, Kazuhide Nagashima, Steven B. Simon Earth and Planetary Science Letters Volume 489, 1 May 2018, Pages 179–190 Available online 9 March 2018 LINK “Highlights • Some CAIs…
Calcium and Titanium Isotope Systematics in Refractory Inclusions from CM, CO, and CR Chondrites
Kööp L. * Davis A. M. Krot A. N. Nagashima K. Simon S. B. 80th Annual Meeting of the Meteoritical Society 2017 [#6280] abstract (PDF) “We studied a large number of CAIs from three different…
Towards Understanding the Source of Nucleosynthetic Anomalies in Refractory Inclusions
G. A. Brennecka, C. Burkhardt, T. S. Kruijer, T. Kleine 48th Lunar and Planetary Science Conference (2017), Abstract #1619 LINK
Thermal and chemical evolution in the early Solar System as recorded by FUN CAIs: Part I – Petrology, mineral chemistry, and isotopic composition of Allende FUN CAI CMS-1
C.D. Williams, T. Ushikubo, E.S. Bullock, P.E. Janney, R.R. Hines, N.T. Kita, R.L. Hervig, G.J. MacPherson, R.A. Mendybaev, F.M. Richter, M. Wadhwa Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 14 November 2016…
A long duration of the 16O-rich reservoir in the solar nebula, as recorded in fine-grained refractory inclusions from the least metamorphosed carbonaceous chondrites
Takayuki Ushikubo, Travis J. Tenner, Hajime Hiyagon, Noriko T. Kita Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 September 2016 LINK “Oxygen isotope ratios and corresponding 26Al-26Mg isotope systematics of refractory inclusions…
Evidence for Oxygen-Isotope Exchange in Chondrules and Refractory Inclusions During Fluid-Rock Interaction on the CV Chondrite Parent Body
Krot A. N. * Nagashima K. 79th Annual Meeting of the Meteoritical Society (2016) #6014 LINK
Precise titanium isotope compositions of refractory inclusions in the Allende CV3 chondrite by LA-MC-ICPMS
C.D. Williams, , P.E. Janney1, R.R. Hines, M. Wadhwa Chemical Geology Volume 436, 15 October 2016, Pages 1–10 LINK “We present here analyses of mass-independent effects in the Ti isotope ratios of 17 coarse-grained (compact…
Petrology, mineralogy, and oxygen isotope compositions of aluminum-rich chondrules from CV3 chondrites
Wang, Y., Hsu, W., Li, X., Li, Q., Liu, Y. and Tang, G. Meteoritics & Planetary Science. doi: 10.1111/maps.12590 Article first published online: 18 DEC 2015 DOI: 10.1111/maps.12590 LINK “Bulk major element composition, petrography, mineralogy,…
Refractory inclusions in the pristine carbonaceous chondrites DOM 08004 and DOM 08006
Simon, S. B. and Grossman, L. (2015) Meteoritics & Planetary Science. doi: 10.1111/maps.12452 LINK The Antarctic carbonaceous chondrites DOM 08004 and DOM 08006 have been paired and classified as CO3.0s. There is some uncertainty as…
Refractory Inclusions Recycled During Formation of Porphyritic Chondrules from CH Carbonaceous Chondrites
A. N. Krot, K. Nagashima, E. M. M. E. van Kooten, M. Bizzarro 46th Lunar and Planetary Science Conference (2015), Abstract #1596 PDF LINK
Calcium-aluminum-rich inclusions with fractionation and unknown nuclear effects (FUN CAIs): I. Mineralogy, petrology, and oxygen isotopic compositions
Alexander N. Krot, Kazuhide Nagashima, Gerald J. Wasserburg, Gary R. Huss, Dimitri Papanastassiou, Andrew M. Davis, Ian D. Hutcheone, Martin Bizzarro Geochimica et Cosmochimica Acta DOI: 10.1016/j.gca.2014.09.027 Available online 2 October 2014 LINK Abstract We…
An oxygen isotope study of Wark–Lovering rims on type A CAIs in primitive carbonaceous chondrites
Jean-David Bodénan, Natalie A. Starkey, Sara S. Russell, Ian P. Wright, Ian A. Franchi Earth and Planetary Science Letters Volume 401, 1 September 2014, Pages 327-336 LINK Calcium–aluminium-rich Inclusions (CAIs) and the thin Wark–Lovering (WL)…
Morphology and crystal structures of solar and premolar Al2O3 in unequilibrated ordinary chondrites
Morphology and crystal structures of solar and premolar Al2O3 in unequilibrated ordinary chondrites Takigawa A, Tachibana S, Huss GR, Nagashima K, Makide K, Krot AN and Nagahara H Geochimica et Cosmochimica Acta Volume 124, 1…
