Experiments to understand crystallization of levitated high temperature silicate melt droplets under low vacuum conditionsOPEN ACCESS
Biswajit Mishra, Pratikkumar Manvar, Kaushik Choudhury, S. Karagadde & Atul Srivastava Scientific Reports, Volume 10, Article number: 20910 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report experiments on crystallization of highly undercooled forsterite melt droplets…
A condensation origin for the mass-dependent Silicon isotopic variations in Allende components: implications for complementarity
Rayssa Martins, Marc Chaussidon, Frédéric Moynier Earth and Planetary Science LettersAvailable online 25 November 2020, 116678In press, corrected proof LINK “Highlights • Silicon isotopes in Allende components show large variations due to fractionation during a…
Origin of isolated olivine grains in carbonaceous chondritesOPEN ACCESS
Emmanuel Jacquet, Maxime Piralla, Pauline Kersaho, Yves Marrocchi Meteoritics & Planetary ScienceVersion of Record online: 16 November 2020 LINK PDF (OPEN ACCESS) “We report microscopic, cathodoluminescence, chemical, and O isotopic measurements of FeO‐poor isolated olivine…
Astronomical context of Solar System formation from molybdenum isotopes in meteorite inclusions
Gregory A. Brennecka, Christoph Burkhardt, Gerrit Budde, Thomas S. Kruijer, Francis Nimmo, Thorsten Kleine Science 13 Nov 2020:Vol. 370, Issue 6518, pp. 837-840DOI: 10.1126/science.aaz8482 LINK “Calcium-aluminum–rich inclusions (CAIs) in meteorites are the first solids to…
Oxygen-isotope systematics of chondrules and olivine fragments from Tagish Lake C2 chondrite: Implications of chondrule-forming regions in protoplanetary diskOPEN ACCESS
Takayuki Ushikubo, Makoto Kimura Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 12 November 2020 LINK (OPEN ACCESS) “Highlights: • Oxygen isotopic systematics of chondrules and olivine fragments of Tagish Lake meteorite were studied.•…
New constraints from 26Al-26Mg chronology of anorthite bearing chondrules in unequilibrated ordinary chondrites
Guillaume Siron, Kohei Fukuda, Makoto Kimura, Noriko T. Kita Geochimica et Cosmochimica ActaIn press, journal pre-proof, Available online 1 November 2020 LINK “26Al-26Mg ages were determined for 14 anorthite-bearing chondrules from five different unequilibrated ordinary…
Primary crystallization and partial remelting of chondrules in the protoplanetary disk: Petrographic, mineralogical and chemical constraints recorded in zoned type-I chondrulesOPEN ACCESS
J. Pape, Å.V. Rosén, K. Mezger, M. Guillong Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 October 2020 LINK (OPEN ACCESS) “Chondrules from unequilibrated ordinary chondrites are among the oldest Solar system materials…
Irradiation origin of 10Be in the solar nebula: Evidence from Li-Be-B and Al-Mg isotope systematics, and REE abundances of CAIs from Yamato-81020 CO3.05 chondrite
Kohei Fukuda, Hajime Hiyagon, Wataru Fujiya, Takanori Kagoshima, Keita Itano, Tsuyoshi Iizuka, Noriko T. Kita, Yuji Sano Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 20 October 2020 LINK “We have performed in situ…
Oxygen isotopic heterogeneity in the early Solar System inherited from the protosolar molecular cloudOPEN ACCESS
Alexander N. Krot, Kazuhide Nagashima, James R. Lyons, Jeong-Eun Lee, Martin Bizzarro Science Advances 16 Oct 2020:Vol. 6, no. 42, eaay2724DOI: 10.1126/sciadv.aay2724 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Sun is 16O-enriched (Δ17O = −28.4 ±…
Mineralogical and oxygen isotopic study of a new ultrarefractory inclusion in the Northwest Africa 3118 CV3 chondrite
Yong Xiong, Ai‐Cheng Zhang, Noriyuki Kawasaki, Chi Ma, Naoya Sakamoto, Jia‐Ni Chen, Li‐Xin Gu, Hisayoshi Yurimoto Meteoritics & Planetary ScienceVersion of Record online: 14 October 2020 LINK “Calcium‐aluminum‐rich inclusions (CAIs) are the first solid materials…
Correlated isotopic and chemical evidence for condensation origins of olivine in comet 81P/Wild 2 and in AOAs from CV and CO chondrites
Kohei Fukuda, Donald E. Brownlee, David J. Joswiak, Travis J. Tenner, Makoto Kimura, Noriko T. Kita Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 8 October 2020 LINK “Magnesium stable isotope ratios and minor…
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…
Chondrules as fallout from vaporizing impacts in the solar nebulaOPEN ACCESS
Nick Choksi, Eugene Chiang, Harold C. Connolly Jr., Zack Gainsforth, Andrew J. Westphal Submitted to MNRAS PDF (OPEN ACCESS) “We consider how chondrules, once-molten mm-sized spheres filling the oldest meteorites, may have formed as the…
Early evolution of the solar accretion disk inferred from Cr-Ti-O isotopes in individual chondrulesOPEN ACCESS
Jonas M. Schneider, Christoph Burkhardt, Yves Marrocchi, Gregory A. Brennecka, Thorsten Kleine Submitted to EPSL on Jan 29 2020, accepted in revised form Sep. 12 2020 PDF (OPEN ACCESS) Erratum to “Early evolution of the…
Structure of type A CAI-like melts: A view from multi-nuclear NMR study of melilite (Ca2Al2SiO7-Ca2MgSi2O7) glasses
Sun Young Park, Changkun Park, Hyun Na Kim, Seoyoung Lee, Sung Keun Lee Chemical GeologyIn Press, Journal Pre-proof, Available online 16 September 2020 LINK “Highlights • The coordination number of Al in melilite glasses and…
Did a Complex Carbon Cycle Operate in the Inner Solar System?OPEN ACCESS
Joseph A. Nuth, Frank T. Ferguson, Hugh G. M. Hill and Natasha M. Johnson Life 2020, 10(9), 206 LINK (OPEN ACCESS)PDF (DOWNLOAD) “Solids in the interstellar medium consist of an intimate mixture of silicate and…
Oxygen isotope study of the Asuka-881020 CH chondrite I: Non-porphyritic chondrules
Daisuke Nakashima, Makoto Kimura, Kouichi Yamada, Takaaki Noguchi, Takayuki Ushikubo, Noriko Kita Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 16 September 2020 LINK “We measured oxygen isotope ratios and major elemental compositions of…
Experiments quantifying elemental and isotopic fractionations during evaporation of CAI-like melts in low-pressure hydrogen and in vacuum: Constraints on thermal processing of CAI in the protoplanetary disk
Ruslan A. Mendybaev, Michiru Kamibayashi, Fang-Zhen Teng, Paul S. Savage, Bastian Georg, Frank M. Richter, Shogo Tachibana Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 16 September 2020 LINK “It is widely believed…
Chondrules reveal large-scale outward transport of inner Solar System materials in the protoplanetary diskOPEN ACCESS
Curtis D. Williams, Matthew E. Sanborn, Céline Defouilloy, Qing-Zhu Yin, Noriko T. Kita, Denton S. Ebel, Akane Yamakawa, and Katsuyuki Yamashita PNAS, first published September 8, 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Dynamic models of…
Laser microprobe noble gases and nitrogen analysis of chondrules from the Dhajala chondrite
Ramakant R. Mahajan Meteoritics & Planetary ScienceVersion of Record online:08 September 2020 LINK “Noble gases and nitrogen are investigated in eight individual chondrules of the Dhajala H3.8 chondrite. The mean cosmic ray exposure age of…
Mid-infrared reflectance spectroscopy of carbonaceous chondrites and Calcium–Aluminum-rich inclusions
Andreas Morlok, Benjamin Schiller, Iris Weber, Mohit Melwani Daswani, Aleksandra N. Stojic, Maximilian P. Reitze, Tim Gramse, Stephen D. Wolters, Harald Hiesinger, Monica M.Grady, Joern Helbert Planetary and Space ScienceIn Press, Journal Pre-proof, Available online…
The initial structure of chondrule dust rims II: Charged grains
C. Xiang, A. Carballido, L.S. Matthews, T.W. Hyde IcarusIn Press, Journal Pre-proof, Available online 29 August 2020 LINK “Highlights • Compare rim formation in varied turbulence, dust charge and size of chondrule core.• Rim characteristics…
Origin of volatile element depletion among carbonaceous chondrites
Jan L. Hellmann, Timo Hopp, Christoph Burkhardt, Thorsten Kleine Earth and Planetary Science Letters Volume 549, 1 November 2020, 116508 LINK “Highlights • Correlation of Te isotope composition with Te, matrix fraction, and Cr anomalies.•…
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…
Origin of Large Meteoritic SiC Stardust Grains in Metal-rich AGB Stars
Maria Lugaro, Borbála Cseh, Blanka Világos, Amanda I. Karakas, Paolo Ventura, Flavia Dell’Agli, Reto Trappitsch, Melanie Hampel, Valentina D’Orazi, Claudio B. Pereira, Giuseppe Tagliente, Gyula M. Szabó, Marco Pignatari, Umberto Battino, Ashley Tattersall, Mattias Ek,…
Potassium isotope systematics of the LL4 chondrite Hamlet: Implications for chondrule formation and alteration
Piers Koefoed, Olga Pravdivtseva, Heng Chen, Carina Gerritzen, Maxwell M. Thiemens, Kun Wang Meteoritics & Planetary ScienceVersion of Record online:27 July 2020 LINK “Here, we apply recently developed high‐precision K isotope analyses to individual components…
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…
Carbonaceous Chondrites and the Condensation of Elements from the Solar Nebula
Hauke Vollstaedt, Klaus Mezger, and Yann Alibert The Astrophysical Journal, Volume 897, Number 1 LINK “Common features of all carbonaceous chondrite groups are invariant refractory element ratios, depletions of moderately volatile elements as a function…
Silica‐rich objects in the Acfer 182 CH chondrite: A new view
Maria Eugenia Varela Meteoritics & Planetary ScienceVersion of Record online:30 June 2020 LINK “Five silica‐rich objects (SRO) from Acfer 182 were studied. They have cryptocrystalline textures characterized by micro‐emulsion and amoeboid patterns that point toward…
Search for Nova Presolar Grains: γ-Ray Spectroscopy of 34Ar and its Relevance for the Astrophysical 33Cl(p,γ) Reaction
A. R. L. Kennington, G. Lotay, D. T. Doherty, D. Seweryniak, C. Andreoiu, K. Auranen, M. P. Carpenter, W. N. Catford, C. M. Deibel, K. Hadyńska-Klęk, S. Hallam, D. E. M. Hoff, T. Huang, R. V. F. Janssens, S. Jazrawi, J. José, F. G. Kondev, T….
Amorphous silicates as a record of solar nebular and parent body processes—A transmission electron microscope study of fine‐grained rims and matrix in three Antarctic CR chondritesOPEN ACCESS
Christian Vollmer, Mandy Pelka, Jan Leitner, Arne Janssen Meteoritics & Planetary ScienceVersion of Record online:22 June 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Renazzo‐type (CR) carbonaceous chondrites belong to one of the most pristine meteorite groups…
A chondrule formation experiment aboard the ISS: Experimental set-up and test experiments
Dominik Spahr, Tamara E. Koch, David Merges, Anna A. Beck, Bernhard Bohlender, Johan M. Carlsson, Oliver Christ, Shintaro Fujita, Philomena-Theresa Genzel, Jochen Kerscher, Tobin Knautz, Miles Lindner, Diego Mederos Leber, Victor Milman, Wolfgang Morgenroth, Fabian…
An unusual compound object in Yamato 793408 (H3.2‐an): The missing link between compound chondrules and macrochondrules?OPEN ACCESS
Jens Barosch, Dominik C. Hezel, Yves Marrocchi, Andrey Gurenko, Christoph Lenting Meteoritics & Planetary ScienceVersion of Record online:05 June 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We found a large (~2 mm) compound object in the…
NanoSIMS isotopic investigation of xenolithic carbonaceous clasts from the Kapoeta howarditeOPEN ACCESS
Nan Liu, Ryan C. Ogliore, Lionel G. Vacher Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 2 June 2020 PDF (OPEN ACCESS) Kapoeta images LINK “We report on the investigation of the inventories of…
Meteoritic Nanodiamonds: Alternative Composition of Xenon Components
A. V. Fisenko & L. F. Semjonova Solar System Research, Volume 54, pages 253–262 (2020) LINK “For the first time, abundances of the main xenon components (Xe-P3, Xe-P3(fr), Xe-P6 and Xe-pr instead Xe-HL) in the…
Advances in Cosmochemistry Enabled by Antarctic MeteoritesOPEN ACCESS
Meenakshi Wadhwa, Timothy J. McCoy, and Devin L. Schrader Annual Review of Earth and Planetary Sciences Vol. 48:233-258 (Volume publication date May 2020)First published as a Review in Advance on January 8, 2020 LINK (OPEN…
Outward migration of chondrule fragments in the Early Solar System: O-isotopic evidence for rocky material crossing the Jupiter Gap?
Devin L. Schrader, Kazuhide Nagashima, Jemma Davidson, Timothy J. McCoy, Ryan C. Ogliore, Roger R. Fu Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 May 2020 LINK “Determining the origins of chondrule precursors…
Oxygen-isotope heterogeneity in the Northwest Africa 3358 (H3.1) refractory inclusions – Fluid-assisted isotopic exchange on the H-chondrite parent body
Samuel Ebert, Kazuhide Nagashima, Alexander N. Krot, Addi Bischoff Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 21 May 2020 LINK “The nature of oxygen-isotope heterogeneity in refractory inclusions [Ca,Al-rich inclusions (CAIs) and amoeboid…
Solar system Nd isotope heterogeneity: Insights into nucleosynthetic components and protoplanetary disk evolution
Nikitha Susan Saji, Daniel Wielandt, Jesper Christian Holst, Martin Bizzarro Geochimica et Cosmochimica Acta LINK “High-precision Nd isotope measurements of a diverse set of solar system materials including bulk chondrites and achondrites reveal that their…
Silicon isotopic compositions of chondrule silicates in carbonaceous chondrites and the formation of primordial solids in the accretion disk
Johan Villeneuve, Yves Marrocchi, Emmanuel Jacquet Earth and Planetary Science LettersVolume 542, 15 July 2020, 116318 LINK “Highlights • Chondrules are characterized by large, in situ mass-dependent silicon isotopic variations.• These variations are inherited from…
Formation of chondrules and matrix in Kakangari chondrites
Jens Barosch, Denton S.Ebel, Dominik C. Hezel, Samuel Alpert, Herbert Palme Earth and Planetary Science LettersVolume 542, 15 July 2020, 116286 LINK “Highlights • We determined petrographic and chemical data in components of K chondrites.•…
Sectioning effects of porphyritic chondrules: Implications for the PP/POP/PO classification and correcting modal abundances of mineralogically zoned chondrulesOPEN ACCESS
Jens Barosch, Dominik C. Hezel, Lena Sawatzki, Lucia Halbauer, Yves Marrocchi Meteoritics & Planetary Science LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mineralogically zoned chondrules are a common chondrule type in chondrites. They consist of olivine cores,…
Weak Magnetic Fields in the Outer Solar Nebula Recorded in CR Chondrites
Roger R. Fu, Pauli Kehayias, Benjamin P. Weiss, Devin L. Schrader, Xue‐Ning Bai, Jacob B. Simon JGR PlanetsVolume 125, 5 May 2020 LINK ” – Paleomagnetic measurements of carbonaceous chondrites can provide important constraints on…
Th/U variability in Allende chondrules
Janne Blichert-Toft, Christa Göpel, Marc Chaussidon, F. Albarède Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 17 April 2020 LINK “Lead isotope compositions were measured on both single and combined chondrules from the CV3…
Accretion of a large LL parent planetesimal from a recently formed chondrule populationOPEN ACCESS
Graham H. Edwards and Terrence Blackburn Science Advances 15 Apr 2020:Vol. 6, no. 16, eaay8641DOI: 10.1126/sciadv.aay8641 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chondritic meteorites, derived from asteroidal parent bodies and composed of millimeter-sized chondrules, record the…
Variations in initial 26Al/27Al ratios among fine-grained Ca-Al-rich inclusions from reduced CV chondrites
Noriyuki Kawasaki, Sohei Wada, Changkun Park, Naoya Sakamoto, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 8 April 2020 LINK “Fine-grained Ca-Al-rich inclusions (FGIs) in CV chondrites are suggested to be…
Evidence for Asteroid Scattering and Distal Solar System Solids From Meteorite PaleomagnetismOPEN ACCESS
James F. J. Bryson, Benjamin P. Weiss, Eduardo A. Lima, Jérôme Gattacceca, and William S. Cassata The Astrophysical Journal, Volume 892, Number 2 LINK PDF (OPEN ACCESS) Submitted: 22 October 2021 Asteroid-sized bodies are predicted…
Cascade Model for Planetesimal Formation by Turbulent Clustering
Thomas Hartlep and Jeffrey N. Cuzzi The Astrophysical Journal Volume 892, Number 2, 2020 April 1 LINK “We use a newly developed cascade model of turbulent concentration of particles in protoplanetary nebulae to calculate several…
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…
Exploring the efficiency of stepwise dissolution in removal of stubborn non-radiogenic Pb in chondrule U-Pb dating
Renaud Merle, Yuri Amelin, Qing-Zhu Yin, Magdalena H. Huyskens, Matthew E. Sanborn, Kazuhide Nagashima, Katsuyuki Yamashita, Trevor R. Ireland, Alexander N.Krot, Melanie J. Sieber Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 18…
Mass-independent fractionation of titanium isotopes and its cosmochemical implications
François Robert, Romain Tartèse, Guillaume Lombardi, Peter Reinhardt, Mathieu Roskosz, Béatrice Doisneau, Zhengbin Deng & Marc Chaussidon Nature Astronomy (2020) LINK “Isotopes of heavy elements are produced in various amounts by nuclear processes in stars….
Early silica crust formation in planetesimals by metastable silica-rich liquid immiscibility or cristobalite crystallisation: the possible origin of silica-rich chondrulesOPEN ACCESS
François Faure Scientific Reports 10, Article number: 4765 (2020) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The formation and differentiation processes of planetesimals—small bodies in the solar system—remain actively debated. Planetesimal differentiation is known to have…
Primordial formation of major silicates in a protoplanetary disc with homogeneous 26Al/27AlOPEN ACCESS
Timothy Gregory, Tu-Han Luu, Christopher D. Coath, Sara S. Russell and Tim Elliott Science Advances 11 Mar 2020: Vol. 6, no. 11, eaay9626 DOI: 10.1126/sciadv.aay9626 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Understanding the spatial variability…
Amorphous silicates in the matrix of Semarkona: The first evidence for the localized preservation of pristine matrix materials in the most unequilibrated ordinary chondrites
E. Dobrică, A. J. Brearley Meteoritics & Planetary Science LINK “We have investigated the fine‐grained matrix of the least‐altered unequilibrated ordinary chondrite (UOC) Semarkona (LL3.00) using different electron microscope techniques. Unlike previous studies, which found…
New Estimation of Presolar Grain Abundances in the Paris Meteorite
M. J. Verdier-Paoletti, L. R. Nittler, J. Wang 51st Lunar and Planetary Science Conference (2020), Abstract #2523 PDF (OPEN ACCESS) “C-rich and O-rich stardust grains have been extensively studied over the last decades [1]. Their…
Significance of Primordial Matrix in Mukundpura Carbonaceous Chondrite (CM2)
A. Dutta, D. Raychaudhuri, A. Bhattacharya 51st Lunar and Planetary Science Conference (2020), Abstract #1927 PDF (OPEN ACCESS)
The Aguas Zarcas Meteorite: A Review of Chondrules and Fine-Grained Rims Observed Within a New Carbonaceous Chondrite (CM2) Fall
I. Kouvatsis, J. A. Cartwright 51st Lunar and Planetary Science Conference (2020), Abstract #2512 PDF (OPEN ACCESS)
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…
Evidence of presolar SiC in the Allende Curious Marie calcium–aluminium-rich inclusionOPEN ACCESS
O. Pravdivtseva, F. L. H. Tissot, N. Dauphas & S. Amari Nature Astronomy , 1–8 LINK PDF (OPEN ACCESS) “Calcium–aluminium-rich inclusions (CAIs) are one of the first solids to have condensed in the solar nebula,…
Magnesium isotopes of the bulk solar wind from genesis diamond‐like carbon filmsOPEN ACCESS
A. J. G. Jurewicz, K. D. Rieck, R. Hervig, D. S. Burnett, M. Wadhwa, C. T. Olinger, R. C. Wiens, J. M. Laming, Y. Guan, G. R. Huss, D. B. Reisenfeld, P. Williams Meteoritics &…
Lifetimes of interstellar dust from cosmic ray exposure ages of presolar silicon carbideOPEN ACCESS
Philipp R. Heck, Jennika Greer, Levke Kööp, Reto Trappitsch, Frank Gyngard, Henner Busemann, Colin Maden, Janaína N. Ávila, Andrew M. Davis, and Rainer Wieler PNAS, first published January 13, 2020 LINK (OPEN ACCESS) PDF (OPEN…
Origin of Al-rich chondrules in CV chondrites: Incorporation of diverse refractory components into the ferromagnesian chondrule-forming region
Mingming Zhang, Yangting Lin, Guoqiang Tang, Yu Liu, Ingo Leya Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 26 December 2019 LINK “Aluminum-rich (Al2O3 > 10 wt%) chondrules (ARCs) are important chondritic components that…
Characterization of the matrix and fusion crust of the recent meteorite fall Ozerki L6
A. A. Maksimova, E. V. Petrova, A. V. Chukin, M. S. Karabanalov, I. Felner, M. Gritsevich, M. I. Oshtrakh First published: 25 December 2019 LINK “We studied the interior and the fusion crust of the…
Hydrogen isotopic composition of CI- and CM-like clasts from meteorite breccias – sampling unknown sources of carbonaceous chondrite materials
Markus Patzek, Peter Hoppe, Addi Bischoff, Robbin Visser, Timm John Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 23 December 2019 LINK “Volatile-rich, CI- and CM-like clasts occur in different brecciated achondrite and…
Primordial organic matter in the xenolithic clast in the Zag H chondrite: Possible relation to D/P asteroids
Yoko Kebukawa, Michael E. Zolensky, Motoo Ito, Nanako O. Ogawa, Yoshinori Takano, Naohiko Ohkouchi, Aiko Nakato, Hiroki Suga, Yasuo Takeichi, Yoshio Takahashi, Kensei Kobayashi Geochimica et Cosmochimica Acta Available online 19 December 2019 LINK “Some…
Isotopic Signatures of Supernova Nucleosynthesis in Presolar Silicon Carbide Grains of Type AB with Supersolar 14N/15N Ratios
Peter Hoppe, Richard J. Stancliffe, Marco Pignatari, and Sachiko Amari The Astrophysical Journal, Volume 887, Number 1 LINK “We report high-resolution C, N, Al, Si, and S isotope data of 38 presolar SiC grains of…
Aggregate Growth and Internal structures of Chondrite Parent Bodies Forming from Dense ClumpsOPEN ACCESS
Yuji Matsumoto, Shigeru Wakita, Yasuhiro Hasegawa, Shoichi Oshino accepted for publication in ApJ PDF (OPEN ACCESS) “Major components of chondrites are chondrules and matrix. Measurements of the volatile abundance in Semarkona chondrules suggest that chondrules…
The presolar grain inventory of fine‐grained chondrule rims in the Mighei‐type (CM) chondritesOPEN ACCESS
Jan Leitner, Knut Metzler, Christian Vollmer, Christine Floss, Pierre Haenecour, János Kodolányi, Dennis Harries, Peter Hoppe Meteoritics & Planetary Science LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We investigated the inventory of presolar silicate, oxide, and…
Origin of the Short-lived Radionuclide 10Be and Its Implications for the Astronomical Setting of CAI Formation in the Solar Protoplanetary Disk
Kohei Fukuda, Hajime Hiyagon, Wataru Fujiya, Naoto Takahata, Takanori Kagoshima, and Yuji Sano The Astrophysical Journal, Volume 886, Number 1 Published 2019 November 15 LINK “We report Li–Be–B and Al–Mg isotopic compositions of Ca-Al-rich inclusions…
An in situ investigation on the origins and processing of circumstellar oxide and silicate grains in carbonaceous chondrites
Thomas J. Zega, Pierre Haenecour, Christine Floss Meteoritics & Planetary Science LINK “We report on the isotopic, chemical, and structural properties of four O‐rich presolar grains identified in situ in the Adelaide ungrouped C2, LaPaZ…
A Coordinated Microstructural and Isotopic Study of a Wark-Lovering Rim on a Vigarano CAI
Jangmi Han, Lindsay P. Keller, Ming-Chang Liu, Andrew W. Needham, Andreas T. Hertwig, Scott Messenger, Justin I. Simon Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 7 November 2019 LINK “We carried out…
Primordial water and dust of the Solar System: Insights from in-situ oxygen measurements of CI chondrites
Maxime Piralla, Yves Marrocchi, Maximilien J. Verdier-Paoletti, Lionel G. Vacher, Johan Villeneuve, Laurette Piani, David V. Bekaert, Matthieu Gounelle Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 6 November 2019 LINK “As the…
The initial structure of chondrule dust rims II: charged grainsOPEN ACCESS
C. Xiang, A. Carballido, L.S. Matthews, T.W. Hyde PDF (OPEN ACCESS) “In order to characterize the early growth of fine-grained dust rims (FGRs) that commonly surround chondrules, we simulate the growth of FGRs through direct…
Rapid condensation of the first Solar System solidsOPEN ACCESS
Yves Marrocchi, Johan Villeneuve, Emmanuel Jacquet, Maxime Piralla, and Marc Chaussidon PNAS first published November 4, 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Chondritic meteorites are composed of primitive components formed during the evolution of…
Accretion of differentiated achondritic and aqueously altered chondritic materials in the early solar system—Significance of an igneous fragment in the CM chondrite NWA 12651
Samuel Ebert, Markus Patzek, Sarah Lentfort, Addi Bischoff Meteoritics & Planetary Science First Published: 23 October 2019 LINK “One approach to decipher the dynamics of material transport and planetary accretion in the early solar system…
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…
Formation of Interstellar C60 from Silicon Carbide Circumstellar Grains
J. J. Bernal, P. Haenecour, J. Howe, T. J. Zega, S. Amari, and L. M. Ziurys The Astrophysical Journal Letters, Volume 883, Number 2 LINK “We have conducted laboratory experiments with analog crystalline silicon carbide…
Fingerprints of the Protosolar Cloud Collapse in the Solar System. I. Distribution of Presolar Short-lived 26Al
Francesco C. Pignatale, Emmanuel Jacquet, Marc Chaussidon, and Sébastien Charnoz The Astrophysical Journal, Volume 884, Number 1 LINK “The short-lived radionuclide 26Al is widely used to determine the relative ages of chondrite components and timescales…
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…
Origin of 16O-rich fine-grained Ca-Al-rich inclusions of different mineralogy and texture
Jangmi Han, Benjamin Jacobsen, Ming-Chang Liu, Adrian J. Brearley, Jennifer E. Matzel, Lindsay P. Keller Geochemistry In Press, Journal Pre-proof, Available online 28 September 2019 LINK “A coordinated mineralogical and oxygen isotopic study of four…
Finding of Refractory Inclusions in the North Kolchim Meteorite (H3)
S. V. Berzin, K. S. Ivanov, E. V. Burlakov Doklady Earth Sciences August 2019, Volume 487, Issue 2, pp 908–910 LINK “For the first time among Russian meteorites, refractory forsterite-rich inclusions are determined in the…
Presolar Grains in Primitive Ungrouped Carbonaceous Chondrite Northwest Africa 5958OPEN ACCESS
Larry R. Nittler, Rhonda M. Stroud, Conel M. O’D. Alexander, Kaitlin Howell Accepted in Meteoritics and Planetary Science PDF (OPEN ACCESS) LINK “We report a correlated NanoSIMS-transmission electron microscopy study of the ungrouped carbonaceous chondrite…
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…
Aluminum-26 chronology of dust coagulation and early solar system evolutionOPEN ACCESS
M.-C. Liu, J. Han, A. J. Brearley and A. T. Hertwig Science Advances 11 Sep 2019: Vol. 5, no. 9, eaaw3350 DOI: 10.1126/sciadv.aaw3350 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Dust condensation and coagulation in the…
The Properties of Planetesimal Collisions under Jupiter’s Perturbation and the Application to Chondrule Formation via Impact JettingOPEN ACCESS
Shoichi Oshino, Yasuhiro Hasegawa, Shigeru Wakita, Yuji Matsumoto The Astrophysical Journal, Volume 884, Number 1 PDF (OPEN ACCESS) LINK “Understanding chondrule formation provides invaluable clues about the origin of the solar system. Recent studies suggest…
Trace Element Partitioning between CAI-Type Melts and Grossite, Melilite, Hibonite, and Olivine
Gokce Ustunisik, Denton S. Ebel, David Walker, Roger L. Nielsen, Marina Gemma Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 9 September 2019 LINK “We determined the mineral-melt partition coefficients (Di’s) and the…
A unifying model for the accretion of chondrules and matrixOPEN ACCESS
Elishevah M. M. E. van Kooten, Frédéric Moynier, Arnaud Agranier PNAS first published September 4, 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) Supporting Information (PDF) “The so far unique role of our Solar System in…
Effects of aqueous alteration on primordial noble gases and presolar SiC in the carbonaceous chondrite Tagish Lake
M. E. I. Riebe, H. Busemann, C. M. O’D. Alexander, L. R. Nittler, C. D. K. Herd, C. Maden, J. Wang, R. Wieler Meteoritics & Planetary Science First Published: 4 September 2019 LINK “Effects of…
Oxygen isotope systematics of chondrule olivine, pyroxene, and plagioclase in one of the most pristine CV3Red chondrites (Northwest Africa 8613)
Andreas T. Hertwig, Makoto Kimura, Céline Defouilloy, Noriko T. Kita Meteoritics & Planetary Science First Published: 30 August 2019 LINK “We performed in situ oxygen three‐isotope measurements of chondrule olivine, pyroxenes, and plagioclase from the…
A morphologic and crystallographic comparison of CV chondrite matrices
L. V. Forman, N. E. Timms, P. A. Bland, L. Daly, G. K. Benedix, P. W. Trimby Meteoritics & Planetary Science First Published: 29 August 2019 LINK “Meteoritic matrices are commonly classified by their modal…
Chondrule Formation by the Jovian Sweeping Secular ResonanceOPEN ACCESS
Munan Gong, Xiaochen Zheng, Douglas N.C. Lin, Kedron Silsbee, Clement Baruteau, Shude Mao Accepted for publication by ApJ PDF (OPEN ACCESS) LINK “Chondrules are silicate spheroids found in meteorites, serving as important fossil records of…
Fine-grained rim formation – high speed, kinetic dust aggregation in the early Solar SystemOPEN ACCESS
Kurt Liffman Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 22 August 2019 LINK PDF (OPEN ACCESS) “Type 3 chondritic meteorites often contain chondrules and refractory inclusions that are coated with accretionary, fine-grained…
Formation of disk- and bowl-shaped igneous Ca,Al-rich inclusions: Constraints from their morphology, textures, mineralogy and modelling
C. Lorenz, M. Ivanova, A. Krot, V. Shuvalov Geochemistry Available online 19 August 2019 LINK “Calcium-aluminum-rich inclusions (CAIs) are the oldest Solar System solids dated that formed by evaporation, condensation, aggregation and, sometimes, melting processes…
MINERALOGY, PETROGRAPHY, AND OXYGEN ISOTOPIC COMPOSITIONS OF ULTRAREFRACTORY INCLUSIONS FROM CARBONACEOUS CHONDRITES
A.N. Krot, C. Ma, K. Nagashima, A.M. Davis, J.R. Beckett, S.B. Simon, M. Komatsu, T.J. Fagan, F. Brenker, M.A. Ivanova, A.Bischoff Geochemistry Available online 15 August 2019 LINK “We report on the mineralogy, petrography, and…
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…
Pb isotope evidence for rapid accretion and differentiation of planetary embryosOPEN ACCESS
J.N. Connelly, M. Schiller, M. Bizzarro Earth and Planetary Science Letters Volume 525, 1 November 2019, 115722 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Highlights • We report a Pb-Pb age of 4565.47 ± 0.30 Ma…
Cr isotopes in physically separated components of the Allende CV3 and Murchison CM2 chondrites: Implications for isotopic heterogeneity in the solar nebula and parent body processesOPEN ACCESS
Yogita Kadlag, Harry Becker, Andreas Harbott Meteoritics & Planetary Science First Published: 12 August 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Chromium isotopic data of physically separated components (chondrules, CAIs, variably magnetic size fractions) of…
Heating duration of igneous rim formation on a chondrule in the Northwest Africa 3118 CV3oxA carbonaceous chondrite inferred from micro-scale migration of the oxygen isotopes
Nozomi Matsuda, Naoya Sakamoto, Shogo Tachibana, Hisayoshi Yurimoto Geochemistry Available online 10 August 2019 LINK “Due to their common occurrence in various types of chondrites, igneous rims formed on pre-existing chondrules throughout chondrule-forming regions of…
Origins of meteoritic nanodiamonds investigated by coordinated atom‐probe tomography and transmission electron microscopy studies
Josiah B. Lewis, Christine Floss, Dieter Isheim, Tyrone L. Daulton, David N. Seidman, Ryan Ogliore Meteoritics & Planetary Science First Published: 11 August 2019 LINK “To constrain the origins of meteoritic nanodiamonds, the abundance ratios…
Theoretical Analysis of Mg and Si Chemical and Isotopic Fractionation at Vaporization of Ca–Al Inclusions of Chondrites
O. I. Yakovlev, S. I. Shornikov Geochemistry International August 2019, Volume 57, Issue 8, pp 851-864 LINK “Experimental study of changes in the composition of Ca–Al inclusions of chondrites during evaporation indicates the chemical and…
Titanium isotope signatures of calcium-aluminum-rich inclusions from CV and CK chondrites: Implications for early Solar System reservoirs and mixing
Zachary A. Torrano, Gregory A. Brennecka, Curtis D. Williams, Stephen J. Romaniello, Vinai K. Rai, Rebekah R.Hines, Meenakshi Wadhwaa Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 2 August 2019 LINK “Calcium-aluminum-rich inclusions…
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…
Combined mass-dependent and nucleosynthetic isotope variations in refractory inclusions and their mineral separates to determine their original Fe isotope compositions
Quinn R. Shollenberger, Andreas Wittke, Jan Render, Prajkta Mane, Stephan Schuth, Stefan Weyer, Nikolaus Gussone, Meenakshi Wadhwa, Gregory A. Brennecka Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 17 July 2019 LINK “Calcium-aluminum-rich…
Zinc isotope analyses of singularly small samples (<5 ng Zn): investigating chondrule-matrix complementarity in LeovilleOPEN ACCESS
Elishevah van Kooten, Frederic Moynier Geochimica et Cosmochimica Acta, 2019 PDF (OPEN ACCESS) Update (18 July 2019): LINK “The potential complementarity between chondrules and matrix of chondrites, the Solar System’s building blocks, is still a…
Three-dimensional imaging of crack growth in L chondrites after high-velocity impact experimentsOPEN ACCESS
Tatsuhiro Michikami, Axel Hagermann, Akira Tsuchiyama, Hirotaka Yamaguchi, Terunori Irie, Keita Nomura, Osamu Sasaki, Michihiko Nakamura, Satoshi Okumura, Sunao Hasegawa Planetary and Space Science In Press, Accepted Manuscript, Available online 11 July 2019 LINK (OPEN…
Compositional diversity of ordinary chondrites inferred from petrology, bulk chemical, and oxygen isotopic compositions of the lowest FeO ordinary chondrite, Yamato 982717
Akira Yamaguchi, Makoto Kimura, Jean‐Alix Barrat, Richard Greenwood Meteoritics & Planetary Science First Published: 10 July 2019 LINK “We performed a petrologic, geochemical, and oxygen isotopic study of the lowest FeO ordinary chondrite (OC), Yamato…
Nucleosynthetic Sr–Nd Isotope Correlations in Chondrites: Evidence for Nebular Thermal Processing and Dust Transportation in the Early Solar System
Ryota Fukai, Tetsuya Yokoyama The Astrophysical Journal, Volume 879, Number 2 LINK “We conducted high-precision Sr and Nd isotopic measurements in bulk chondrites using a complete sample digestion technique. Our new data indicate that enstatite…
Elemental and isotopic variability in solar system materials by mixing and processing of primordial disk reservoirsOPEN ACCESS
Christoph Burkhardt, Nicolas Dauphas, Ulrik Hans, Bernard Bourdon, Thorsten Kleine Accepted for publication in Geochimica et Cosmochimica Acta / published 9 July 2019 PDF (OPEN ACCESS) Update (9 July 2019): LINK (OPEN ACCESS) PDF (OPEN…
Presolar Silicon Carbide Grains of Types Y and Z: Their Molybdenum Isotopic Compositions and Stellar OriginsOPEN ACCESS
Nan Liu, Thomas Stephan, Sergio Cristallo, Roberto Gallino, Patrick Boehnke, Larry R. Nittler, Conel M. O.’D. Alexander, Andrew M. Davis, Reto Trappitsch, Michael J. Pellin, Iris Dillmann The Astrophysical Journal (Accepted) PDF (OPEN ACCESS) Update…
Deciphering the conditions of tochilinite and cronstedtite formation in CM chondrites from low temperature hydrothermal experiments
Lionel G. Vacher, Laurent Truche, François Faure, Laurent Tissandier, Régine Mosser‐Ruck, Yves Marrocchi Meteoritics & Planetary Science First Published: 23 June 2019 LINK “Tochilinite/cronstedtite intergrowths are commonly observed as alteration products in CM chondrite matrices,…
Combined U-corrected Pb-Pb dating and 26Al-26Mg systematics of individual chondrules – evidence for a reduced initial abundance of 26Al amongst inner Solar System chondrules
Jean Bollard, Noriyuki Kawasaki, Naoya Sakamoto, Mia Olsen, Shoichi Itoh, Kirsten Larsen, Daniel Wielandt, Martin Schiller, James N. Connelly, Hisayoshi Yurimoto, Martin Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 22 June…
Extended chondrule formation intervals in distinct physicochemical environments: Evidence from Al-Mg isotope systematics of CR chondrite chondrules with unaltered plagioclase
Travis J. Tenner, Daisuke Nakashima, Takayuki Ushikubo, Naotaka Tomioka, Makoto Kimura, Michael K. Weisberg, Noriko T.Kita Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 22 June 2019 LINK “Al-Mg isotope systematics of twelve…
Are hypervelocity impacts able to produce chondrule-like ejecta?
Clément Ganino, Guy Libourel, Akiko M. Nakamura, Patrick Michel Planetary and Space Science In Press, Accepted Manuscript, Available online 19 June 2019 LINK “Highlights • Silicate ejecta formed in impact experiment have several similarities with…
A new population of dust from stellar explosions among meteoritic stardust
Jan Leitner & Peter Hoppe Nature Astronomy, 1–5 LINK “Primitive Solar System materials host small amounts of refractory dust grains predating the formation of the Sun and its planetary system. These ‘presolar’ grains condensed in…
Molybdenum Isotopes in Presolar Silicon Carbide Grains: Details of s-process Nucleosynthesis in Parent Stars and Implications for r- and p-processes
Thomas Stephan, Reto Trappitsch, Peter Hoppe, Andrew M. Davis, Michael J. Pellin, and Olivia S. Pardo The Astrophysical Journal, Volume 877, Number 2 LINK “We have analyzed molybdenum isotopes, together with strontium and barium isotopes,…
Bulk trace elements of Mg-rich cryptocrystalline and ferrous radiating pyroxene chondrules from Acfer 182: Their evolution paths
Maria Eugenia Varela Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 May 2019 LINK “A trace element study of Mg-rich cryptocrystalline (CC) and ferrous radiating pyroxene (RP) chondrules, covering from the ultra-refractory…
Laboratory evidence for co-condensed oxygen- and carbon-rich meteoritic stardust from nova outbursts
Pierre Haenecour, Jane Y. Howe, Thomas J. Zega, Sachiko Amari, Katharina Lodders, Jordi José, Kazutoshi Kaji, Takeshi Sunaoshi & Atsushi Muto Nature Astronomy, 1–5 LINK “Although their parent stars no longer exist, the isotopic and…
Compound chondrule formation in optically thin shock wavesOPEN ACCESS
Sota Arakawa, Taishi Nakamoto Accepted for publication in ApJ PDF (OPEN ACCESS) Update (29 May 2019): LINK Update (24 Ausgust 2022): Erratum: “Compound Chondrule Formation in Optically Thin Shock Waves” (2019, ApJ, 877, 84) Sota…
On the origin of 7Be isotopic records in a Calcium, Aluminium, -rich inclusionOPEN ACCESS
Ritesh Kumar Mishra, Kuljeet Kaur Marhas PDF “A prime question in the formation and early evolution of the Solar system studies is to discern the source(s) of short-lived now extinct nuclides and to determine the…
Oxygen and Al‐Mg isotopic compositions of grossite‐bearing refractory inclusions from CO3 chondrites
Steven B. Simon, Alexander N. Krot, Kazuhide Nagashima Meteoritics & Planetary Science LINK “The distribution of the short‐lived radionuclide 26Al in the early solar system remains a major topic of investigation in planetary science. Thousands…
Probing the protosolar disk using dust filtering at gaps in the early Solar SystemOPEN ACCESS
Troels Haugbølle, Philipp Weber, Daniel P. Wielandt, Pablo Benítez-Llambay, Martin Bizzarro, Oliver Gressel, Martin E. Pessah accepted by Astrophysical Journal PDF (OPEN ACCESS) ” Jupiter and Saturn formed early, before the gas disk dispersed. The…
A Radiative Heating Model for Chondrule and Chondrite FormationOPEN ACCESS
William Herbst, James P. Greenwood Icarus PDF (OPEN ACCESS) Update (11 April 2019): LINK “We propose that chondrules and chondrites formed together during a brief radiative heating event caused by the close encounter of a…
Chondrule radiative cooling in a non-uniform density environment
J. Delpeyrat, F. Pigeonneau, G. Libourel Icarus In Press, Accepted Manuscript, Available online 28 March 2019 LINK “Highlights • Simulated chondrule cooling rates are related to chondrule textural abundances. • Optical depth is the relevant…
Meteoritic evidence of a late superflare as source of 7Be in the early Solar System
Ritesh Kumar Mishra & Kuljeet Kaur Marhas Nature Astronomy 1–8 (2019) LINK “Fossil meteoritic records of short-lived, now-extinct radionuclides provide crucial high-resolution temporal information about the events, processes and activity of the Sun during the…
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…
Origin of the metamorphosed clasts in the CV3 carbonaceous chondrite breccias of Graves Nunataks 06101, Vigarano, Roberts Massif 04143, and Yamato‐86009
Kaori Jogo, Motoo Ito, Shigeru Wakita, Sachio Kobayashi, Jong Ik Lee Meteoritics & Planetary Science First Published: 12 March 2019 LINK “We observed metamorphosed clasts in the CV3 chondrite breccias Graves Nunataks 06101, Vigarano, Roberts…
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…
Chromium Isotopic Evidence for an Early Formation of Chondrules from the Ornans CO Chondrite
Ke Zhu (朱柯), Jia Liu, Frédéric Moynier, Liping Qin, Conel M. O’D. Alexander, and Yongsheng He The Astrophysical Journal, Volume 873, Number 1 LINK “Chondrules are the main components of primitive meteorites and possibly the…
Lithium- and oxygen-isotope compositions of chondrule constituents in the Allende meteorite
Tak Kunihiro, Tsutomu Ota, Eizo Nakamura Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 6 March 2019 LINK “We report in situ ion-microprobe analyses of Li- and O-isotope compositions for olivine, low-Ca pyroxene,…
Dissipation of the Solar System’s debris disk recorded in primitive meteorites
Jamie D. Gilmour & Michal J. Filtness Nature Astronomy, 1–6 Published: 25 February 2019 LINK “Many newly formed Sun-like stars show evidence of debris disks composed of dust generated through destructive collisions among residual planetesimals….
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…
The 26Al-26Mg systematics of FeO-rich chondrules from Acfer 094: two chondrule generations distinct in age and oxygen isotope ratios
Andreas T. Hertwig, Kimura Makoto, Takayuki Ushikubo, Céline Defouilloy, Noriko T. Kita Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 February 2019 LINK “The 26Al-26Mg ages of FeO-rich (type II) chondrules from…
Origin of the non-carbonaceous–carbonaceous meteorite dichotomyOPEN ACCESS
Josefine A. M. Nanne, Francis Nimmo, Jeffrey N.Cuzzi, Thorsten Kleine Earth and Planetary Science Letters Volume 511, 1 April 2019, Pages 44-54 LINK (OPEN ACCESS) “Highlights • New Ni isotopic data for iron meteorites confirm…
Variations in initial 26Al/27Al ratios among fluffy Type A Ca–Al-rich inclusions from reduced CV chondrites
Noriyuki Kawasaki, Changkun Park, Naoya Sakamoto, Sun Young Park, Hyun Na Kim, Minami Kuroda, Hisayoshi Yurimoto Earth and Planetary Science Letters Volume 511, 1 April 2019, Pages 25-35 LINK “Highlights • We obtained Al–Mg mineral…
First Detection of Presolar Grains in Paris, the Most Preserved CM Chondrite
M. J. Verdier-Paoletti, L. R. Nittler, J. Wang 50th Lunar and Planetary Science Conference (2019), Abstract #2948 PDF abstract
Oxygen Isotope Systematics of Chondrules and Isolated Olivine Grains from the Tagish Lake C2 Chondrite
T. Ushikubo, M. Kimura 50th Lunar and Planetary Science Conference (2019), Abstract #1145 PDF abstract
Chromium Isotopic Evidence for an Early Formation of Chondrules from the Ornans CO Chondrite
K. Zhu, J. Liu, L. P. Qin, C. M.O’D. Alexander, Y. S. He, F. Moynier 50th Lunar and Planetary Science Conference (2019), Abstract #2405 PDF abstract
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
Mineralogically zoned chondrules in ordinary chondrites as evidence for open system chondrule behaviour
Jens Barosch, Dominik C. Hezel, Denton S. Ebel, Pia Friend Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 23 January 2019 LINK “Chondrules are a major component of chondritic meteorites. Understanding their formation…