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…
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…
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…
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…
Micro-distribution of Oxygen Isotopes in Unequilibrated Enstatite Chondrites
Michael K. Weisberg, Noriko T. Kita, Kohei Fukuda, Guillaume Siron, Denton S.Ebel Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 25 February 2021 LINK “We report petrology and high precision, in situ oxygen isotope…
Geochemical Constraints on Potential UOC Chondrule Genesis by Hypervelocity Impact Vapor Plumes and Likely Precursor Sources
Sheikh D., Humayun M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1279 PDF “Most UOC chondrules analyzed exhibit Ce, and Eu anomalies, implying a chondrule forming process that began oxidized but went reducing, consistent…
Multiple CV Chondrule Precursors Originating from the Inner and Outer Solar System: Evidence from Cr-Ti-O Isotope Systematics of Allende Chondrules
K. Fukuda, Hibiya Y., Kastelle C. R., Suzuki K., Iizuka T. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1319 PDF “The large ranges of Cr-Ti-O isotope ratios among CV chondrules indicate that…
Bubbles to Chondrites-I. Evaporation and condensation experiments, and formation of chondrulesOPEN ACCESS
Yuki Nakano & Akihiko Hashimoto Progress in Earth and Planetary Science volume 7, Article number: 47 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We propose a simple model of chondrule formation that is supported by our…
Trace Element Composition of Silicate Minerals in the Chondrules and Matrix of the Buschhof Meteorite
K. G. Sukhanova, S. G. Skublov, O. L. Galankina, E. V. Obolonskaya & E. L. Kotova Geochemistry International, Volume 58, pages 1321–1330 (2020) LINK “The paper presents results of SIMS and SEM-EDS studies of 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…
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.•…
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…
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…
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…
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…
Oxygen isotopic diversity of chondrule precursors and the nebular origin of chondrules
Yves Marrocchi, Johan Villeneuve, Valentina Batanova, Laurette Piani, Emmanuel Jacquet Earth and Planetary Science Letters Volume 496, 15 August 2018, Pages 132–141 LINK “Highlights • High-resolution X-ray maps reveal different populations of olivine in chondrules….
Dust concentration and chondrule formationOPEN ACCESS
Alexander Hubbard, Mordecai-Mark Mac Low, Denton S. Ebel accepted, Meteoritics & Planetary Sciences PDF (OPEN ACCESS) Update (17 April 2018): LINK “Meteoritical and astrophysical models of planet formation make contradictory predictions for dust concentration factors…
Chondrule heritage and thermal histories from trace element and oxygen isotope analyses of chondrules and amoeboid olivine aggregatesOPEN ACCESS
Jacquet, E. and Marrocchi, Y. Meteoritics & Planetary Science. doi: 10.1111/maps.12985 First published: 26 September 2017 LINK PDF (OPEN ACCESS) “We report combined oxygen isotope and mineral-scale trace element analyses of amoeboid olivine aggregates (AOA)…
Giant convecting mud balls of the early solar systemOPEN ACCESS
Philip A. Bland, Bryan J. Travis Science Advances 14 Jul 2017: Vol. 3, no. 7, e1602514 DOI: 10.1126/sciadv.1602514 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Carbonaceous asteroids may have been the precursors to the terrestrial planets,…
An experimental study of chondrule formation from chondritic precursors via evaporation and condensation in Knudsen cell: Shock heating model of dust aggregates
Naoya Imae, Hiroshi Isobe Earth and Planetary Science Letters In Press, Corrected Proof, Available online 27 June 2017 LINK “Highlights • Type I chondrules were reproduced via the Fe evaporation and Si condensation in the…
50Ti Evidence for Different Refractory Precursors in Chondrules
Ebert S. Render J. Brennecka G. A. Burkhardt C. Bischoff A. Kleine T. 80th Annual Meeting of the Meteoritical Society 2017 [#6255] abstract “Different refractory precursors in chondrules are necessary to explain the different 50Ti…
Probing the early stages of shock-induced chondritic meteorite formation at the mesoscaleOPEN ACCESS
Michael E. Rutherford, David J. Chapman, James G. Derrick, Jack R. W. Patten, Philip A. Bland, Alexander Rack, Gareth S. Collins & Daniel E. Eakins Scientific Reports 7, Article number: 45206 (2017) doi:10.1038/srep45206 Published online:…
Unraveling the role of liquids during chondrule formation processes
Maria Eugenia Varela, Ernst Zinner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 May 2017 LINK “The process/es involved in chondrule formation cover a wide range of mechanisms whose nature is still…
Mixing and transport of dust in the early solar nebula as inferred from titanium isotope variations among chondrulesOPEN ACCESS
Simone Gerber, Christoph Burkhardt, Gerrit Budde, Knut Metzler, Thorsten Kleine accepted for publication in the Astrophysical Journal Letters, May 10, 2017 PDF (OPEN ACCESS) Update (22 May 2017): LINK “Chondrules formed by the melting of…
Evidence for Chondrule Migration from Dusty Olivine Chondrules
D. L. Schrader, K. Nagashima, R. R. Fu, J. Davidson, R. C. Ogliore 48th Lunar and Planetary Science Conference (2017), Abstract #1271 PDF
Chondrule Oxygen Isotope Systematics Among Different Chondrite Groups: Variety of Isotope Reservoirs in the Protoplanetary Disk
Kita N. T. Tenner T. J. Ushikubo T. Hertwig A. Chaumard N. Defouilloy C. Nakashima D. Rudraswami N. G. Weisberg M. K. Kimura M. Nagahara H. Bischoff A. 79th Annual Meeting of the Meteoritical Society…
Partitioning tungsten between matrix precursors and chondrule precursors through relative settling
Alexander Hubbard Accepted for publication, ApJ update (July 27): LINK PDF (open access) abstract “Recent studies of chondrites have found a tungsten isotopic anomaly between chondrules and matrix. Given the refractory nature of tungsten, this…
Genetic relationship between Na-rich chondrules and Ca,Al-rich inclusions? – Formation of Na-rich chondrules by melting of refractory and volatile precursors in the Solar Nebula
Samuel Ebert, Addi Bischoff Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 January 2016 doi:10.1016/j.gca.2016.01.014 LINK “Al-rich objects (Ca,Al-rich inclusions (CAIs), Al-rich chondrules, Al-rich fragments) occur in all chondrite classes. These objects…
Early Disk Dynamics Inferred from Isotope Systematics of Individual Chondrules
Bollard J. * Kawasaki N. Sakamoto N. Larsen K. Wielandt D. Schiller M. Connelly J. N. Yurimoto H. Bizzarro M. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5211 abstract (PDF)
