Petrology and oxygen isotopic composition of large igneous inclusions in ordinary chondrites: Early solar system igneous processes and oxygen reservoirs
Alex M. Ruzicka, Richard C. Greenwood, Katherine Armstrong, Kristy L. Schepker, Ian A. Franchi Geochimica et Cosmochimica Acta LINK “Large (>3.5 mm and up to 4 cm across) igneous inclusions poor in metal and sulfide…
Shedding of dust rims in chondrule collisions in the protoplanetary disc
Philipp Umstätter, Nina Gunkelmann, Cornelis P Dullemond, Herbert M Urbassek Monthly Notices of the Royal Astronomical Society, Volume 483, Issue 4, 11 March 2019, Pages 4938–4948 LINK “Dust rims covering chondrules may strongly influence their…
Formation of CV chondrules by recycling of amoeboid olivine aggregate-like precursors
Yves Marrocchi, Romain Euverte, Johan Villeneuve, Valentina Batanova, Benoit Welsch, Ludovic Ferrière, Emmanuel Jacquet Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 3 January 2019 LINK “We have studied porphyritic olivine-rich chondrules of…
Condensation of SiC Stardust in CO Nova OutburstsOPEN ACCESS
Maitrayee Bose, Sumner Starrfield Accepted in the Astrophysical Journal PDF (OPEN ACCESS) Update (27 February 2019): LINK “This study on presolar grains compares high-precision isotopic compositions of individual SiC grains with low 12C/13C ratios, low…
Chemically defining the building blocks of the EarthOPEN ACCESS
Takashi Yoshizaki, William F. McDonough, Richard D. Ash, Tetsuya Yokoyama, Marc D. Lipella PDF (OPEN ACCESS) “Chondrites are undifferentiated sediments of material left over from the earliest solar system and are widely considered as representatives…
New Insights into the Galactic Chemical Evolution of Magnesium and Silicon Isotopes from Studies of Silicate Stardust
Peter Hoppe, Jan Leitner, János Kodolányi The Astrophysical Journal, Volume 869, Number 1 LINK “We report high-resolution (<100 nm) Mg and Si isotope data of 12 presolar silicate grains (230–440 nm) from red giant and/or…
Nebular history of an ultrarefractory phase bearing CAI from a reduced type CV chondriteOPEN ACCESS
Takashi Yoshizaki, Daisuke Nakashima, Tomoki Nakamura, Changkun Park, Naoya Sakamoto, Hatsumi Ishida, Shoichi Itoh PDF (OPEN ACCESS) Update (1 Mar 2019): LINK “Ultrarefractory (UR) phases in calcium-aluminum-rich inclusions (CAIs) could have formed at higher temperature…
Evidence for oxygen-isotope exchange in refractory inclusions from Kaba (CV3.1) carbonaceous chondrite during fluid-rock interaction on the CV parent asteroidOPEN ACCESS
Alexander N. Krot, Kazuhide Nagashima, Krisztián Fintor, Elemér Pál-Molnár Geochimica et Cosmochimica Acta LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report on the mineralogy, petrology, and in situ measured oxygen-isotope compositions of three Fluffy Type…
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…
Structural Investigation of Silicon Carbide X Grains: Constraints on Condensation in Supernova Ejecta
János Kodolány, Christian Vollmer, Peter Hoppe, and Maren Müller The Astrophysical Journal Volume 868, Number 1 LINK “We analyzed seven presolar SiC grains of supernova origin (average diameter: 1–2 μm) with transmission electron microscopy. Five…
The initial structure of chondrule dust rims I: electrically neutral grains
C. Xiang, A. Carballido, R.D. Hanna, L.S. Matthews, T.W. Hyde Icarus In Press, Accepted Manuscript, Available online 26 October 2018 LINK “Highlights • FGRs formed in strong turbulence are more compact and grow more rapidly….
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…
Time and Duration of Chondrule Formation: Constraints from 26Al-26Mg Ages of Individual Chondrules
J. Pape, K. Mezger, A.-S. Bouvier, L.P. Baumgartner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 October 2018 LINK “Chondrules from unequilibrated ordinary and carbonaceous chondrites belong to the oldest and most…
Constraints on Compound Chondrule Formation from Laboratory High-Temperature CollisionsOPEN ACCESS
Tabea Bogdan, Jens Teiser, Nikolai Fischer, Maximilian Kruss, Gerhard Wurm Icarus In Press, Accepted Manuscript, Available online 20 September 2018 LINK Update (7 November 2018): PDF (OPEN ACCESS) “Highlights • To form compound chondrules velocities…
No cosmic‐ray precompaction exposure of chondrules in CR2.7 MIL 090657
Antoine S. G. Roth, Ingo Leya Meteoritics & Planetary Science First published: 16 August 2018 LINK Cosmogenic nuclides are useful for reconstructing the cosmic‐ray precompaction exposure history of the chondritic components in the early solar…
The Spatial Origin of Chondrules in Individual Chondrites: Constraints from Modeling Chondrule Mixing
Dominik C. Hezel and Eric J. R. Parteli The Astrophysical Journal, Volume 863, Number 1 Published August 9, 2018 LINK “Chondrules are a major component of chondritic meteorites and potentially populated the entire protoplanetary disk…
Chondrule Porosity in the L4 Chondrite Saratov: Dissolution, Chemical Transport, and Fluid Flow
Jonathan A. Lewis, Rhian H. Jones, Serafina C. Garcea Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 9 August 2018 LINK “Porosity is an important physical property of meteorites and asteroids that affects…
Evaluation of petrologic evidence for high partial pressures of SiO(g) in the solar nebula
Alan E. Rubin LINK Meteorit Planet Sci. . doi:10.1111/maps.13180 “Although they cannot be ruled out, high partial pressures of SiO(g) in the solar nebula are not required to produce various petrologic features of chondrules. These…
High early solar activity inferred from helium and neon excesses in the oldest meteorite inclusions
L. Kööp, P. R. Heck, H. Busemann, A. M. Davis, J. Greer, C. Maden, M. M. M. Meier & R. Wieler Nature Astronomy (2018) Published: 30 July 2018 LINK “Astronomical observations show that early in…
High-temperature Dust Condensation around an AGB Star: Evidence from a Highly Pristine Presolar CorundumOPEN ACCESS
Aki Takigawa, Rhonda M. Stroud, Larry R. Nittler, Conel M. O’D Alexander, Akira Miyake A. Takigawa et al 2018 ApJL 862 L13 PDF (OPEN ACCESS) “Corundum (α–Al2O3) and amorphous or metastable Al2O3 are common components…
Ti isotopic evidence for a non-CAI refractory component in the inner Solar System
Samuel Ebert, Jan Render, Gregory A. Brennecka, Christoph Burkhardt, Addi Bischoff, Simone Gerber, Thorsten Kleine Earth and Planetary Science Letters Volume 498, 15 September 2018, Pages 257-265 In Press, Available online 20 July 2018 LINK…
A Distinct Nucleosynthetic Heritage for Early Solar System Solids Recorded by Ni Isotope Signatures
Jan Render, Gregory A. Brennecka, Shui-Jiong Wang, Laura E. Wasylenki, and Thorsten Kleine The Astrophysical Journal, Volume 862, Number 1 Published: 19 July 2018 LINK “As the earliest dated solids, calcium–aluminum-rich inclusions (CAIs) provide a…
First evidence for silica condensation within the solar protoplanetary disk
Mutsumi Komatsu, Timothy J. Fagan, Alexander N. Krot, Kazuhide Nagashima, Michail I. Petaev, Makoto Kimura, and Akira Yamaguchi PNAS July 2, 2018. 201722265; published ahead of print July 2, 2018. https://doi.org/10.1073/pnas.1722265115 LINK “The oldest solar…
Composition, petrology, and chondrule‐matrix complementarity of the recently discovered Jbilet Winselwan CM2 chondrite
Pia Friend, Dominik C. Hezel, Jean‐Alix Barrat, Jutta Zipfel, Herbert Palme, Knut Metzler Meteoritics & Planetary Science doi/10.1111/maps.13139 First published: 25 June 2018 LINK “Jbilet Winselwan (JW) is a recently found CM2 chondrite breccia containing…
Celebrating the 50th anniversary of CAIs discovery by Mireille Christophe Michel–Lévy
Matthieu Gounelle Meteorit Planet Sci. doi.org/10.1111/maps.13127 First published: 25 June 2018 LINK “The scope of the present short report is to honor the discovery of the first calcium‐aluminum‐rich inclusion in 1968 as well as the…
Lack of resolvable titanium stable isotopic variations in bulk chondrites
Zhengbin Deng, Frédéric Moynier, Kirsten van Zuilen, Paolo A. Sossi, Emily A. Pringle, Marc Chaussidon Geochimica et Cosmochimica Acta Available online 23 June 2018 LINK “Titanium and calcium are both refractory lithophile elements. Significant stable…
Neon isotopes in individual presolar low‐density graphite grains from the Orgueil meteorite
Philipp R. Heck, Manavi Jadhav, Matthias M. M. Meier, Teruyuki Maruoka, Sachiko Amari, Ernst K. Zinner, Henner Busemann, Colin Maden, Frank Gyngard, Heinrich Baur, Rainer Wieler Meteorit Planet Sci. . doi:10.1111/maps.13129 LINK “We present He…
Mineralogy of Fine Grained Rims and Inter-Chondrules Matrix in the Paris CM Chondrite
Zanetta P.-M., Leroux H., Le Guillou C., Manda B. 81st Annual Meeting of The Meteoritical Society 2018 [#6211] abstract “We studied the mineralogy of the fine grained rims of Paris with a new high resolution…
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….
The initial structure of chondrule dust rims I: electrically neutral grainsOPEN ACCESS
C. Xiang, A. Carballido, R.D. Hanna, 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 perform numerical simulations of dust…
Particle size distributions in chondritic meteorites: Evidence for pre-planetesimal historiesOPEN ACCESS
J.I. Simon, J.N. Cuzzi, K.A. McCain, M.J. Cato, P.A. Christoffersen, K.R. Fisher, P. Srinivasan, A.W. Tait, D.M. Olson, J.D. Scargle Earth and Planetary Science Letters Volume 494, 15 July 2018, Pages 69–82 LINK (OPEN ACCESS)…
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…
Primary iron sulfides in CM and CR carbonaceous chondrites: Insights into nebular processes
Singerling, S. A. and Brearley, A. J. (2018) Meteorit Planet Sci. . doi:10.1111/maps.13108 LINK “We have carried out a systematic study involving SEM, EPMA, and TEM analyses to determine the textures and compositions of sulfides…
From 2D to 3D chondrule size data: Some empirical ground truths
Metzler, K. Meteorit Planet Sci. . doi:10.1111/maps.13091 LINK “In order to characterize the relation between apparent chondrule sizes (2D) and true chondrule sizes (3D), three ordinary chondrites of the H, L, and LL group have…
Chondritic ingredients: II. Reconstructing early solar system history via refractory lithophile trace elements in individual objects of the Leoville CV3 chondrite
Andrea Patzer, Dominik C. Hezel, Verena Bendel, Andreas Pack Meteorit Planet Sci. . doi:10.1111/maps.13084 LINK “We performed a LA‐ICP‐MS study of refractory lithophile trace elements in 32 individual objects selected from a single section of…
Petrography and mineralogy of calcium-, aluminum-rich inclusions in an unequilibrated carbonaceous chondrite Y 81020 (CO3.05)OPEN ACCESS
Mishra, Ritesh Kumar Current Science Volume 114 – Issue 07 : 10 April 2018 PDF (OPEN ACCESS) “Petrographic and quantitative analyses of more than 70 refractory inclusions found in the studied thin section of Yamato…
O, Mg, and Si isotope distributions in the complex ultrarefractory CAI Efremovka 101.1: Assimilation of ultrarefractory, FUN, and regular CAI precursors
Jérôme Aléon, Johanna Marin-Carbonne, Kevin D. McKeegan, Ahmed El Goresy Geochimica et Cosmochimica Acta Available online 9 April 2018 LINK “Oxygen, magnesium, and silicon isotopic compositions in the mineralogically complex, ultrarefractory (UR) calcium-aluminum-rich inclusion (CAI)…
High-precision Al–Mg isotopic systematics in USNM 3898 – The benchmark “ALL” for initial 87Sr/86Sr in the earliest Solar System
G.J. MacPherson, C. Defouilloy, N.T. Kita Earth and Planetary Science Letters Volume 491, 1 June 2018, Pages 238–243 Available online 6 April 2018 LINK “Highlights • The CAI USNM 3898 ≡ ALL, the lowest measured…
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…
Fine‐grained volatile components ubiquitous in solar nebula: Corroboration from scoriaceous cosmic spherules
N. G. Rudraswami, D. Fernandes, A. K. Naik, M. Shyam Prasad, S. Taylor Meteoritics & Planetary Science First published: 25 March 2018 https://doi.org/10.1111/maps.13068 LINK “The scoriaceous cosmic spherules (CSs) that make up to a few…
Alteration of CAIs as recorded by 36S/34S as a function of 35Cl/34S
I. Leya, J. Masarik, Y. Lin Meteoritics & Planetary Science First published: 25 March 2018 https://doi.org/10.1111/maps.13070 LINK “Using new model calculations, we study the production of chlorine and sulfur isotopes in different irradiation scenarios. We…
Fe isotope composition of bulk chondrules from Murchison (CM2): Constraints for parent body alteration, nebula processes and chondrule-matrix complementarity
Dominik C. Hezel, Johanna S. Wilden, Daniel Becker, Sonja Steinbach, Markus Harak Earth and Planetary Science Letters, Volume 490, 15 May 2018, Pages 31-39 LINK “Highlights • We report the first Fe isotope data for…
Magnetic Fields Recorded by Chondrules Formed in Nebular ShocksOPEN ACCESS
Chuhong Mai, Steven J. Desch, Aaron C. Boley, Benjamin P. Weiss accepted for publication in ApJ PDF (OPEN ACCESS) Update (19 April 2018): LINK “Recent laboratory efforts (Fu et al., 2014) have constrained the remanent…
Extremely 54Cr- and 50Ti-rich presolar oxide grains in a primitive meteorite: Formation in rare types of supernovae and implications for the astrophysical context of solar system birthOPEN ACCESS
Larry R. Nittler, Conel M. O’D. Alexander, Nan Liu, Jianhua Wang Accepted for publication in The Astrophysical Journal Letters PDF (OPEN ACCESS) “We report the identification of 19 presolar oxide grains from the orgu CI…
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…
Thermal History of CBb Chondrules and Cooling Rate Distributions of Ejecta PlumesOPEN ACCESS
R. H. Hewins, C. Condie, M. Morris, M. L. A. Richardson, N. Ouellette, and M. Metcalf The Astrophysical Journal Letters, Volume 855, Number 2 PDF (OPEN ACCESS) LINK “It has been proposed that some meteorites,…
Oxygen isotope systematics of chondrules in the Murchison CM2 chondrite and implications for the CO-CM relationship
Noël Chaumard, Céline Defouilloy, Noriko T. Kita Geochimica et Cosmochimica Acta Available online 5 March 2018 LINK “High-precision oxygen three-isotope measurements of olivine and pyroxene were performed on 29 chondrules in the Murchison CM2 chondrite…
Isotopic coherence of refractory inclusions from CV and CK meteorites: Evidence from multiple isotope systems
Quinn R. Shollenberger, Lars E. Borg, Jan Render, Samuel Ebert, Addi Bischoff, Sara S. Russell, Gregory A. Brennecka Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 March 2018 LINK “Calcium-aluminum-rich inclusions (CAIs)…
Chronology of formation of early solar system solids from bulk Mg isotope analyses of CV3 chondrules
Hsin-Wei Chen, Jennifer L. Claydon, Tim Elliott, Christopher D. Coath, Yi-Jen Lai, Sara S. Russell Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 February 2018 LINK “We have analysed the petrography, major…
Origins of mass-dependent and mass-independent Ca isotope variations in meteoritic components and meteorites
K.R. Bermingham, N. Gussone, K. Mezger, J. Krause In Press, Accepted Manuscript, Available online 8 February 2018 LINK “The Ca isotope composition of meteorites and their components may vary due to mass-dependent and/or -independent isotope…
Magnetization of Extraterrestrial Allende material may relate to terrestrial descend
Gunther Kletetschka Earth and Planetary Science Letters Volume 487, 1 April 2018, Pages 1–8 Available online 3 February 2018 LINK “Highlights • Magnetic component of Allende connects to the descend through the terrestrial atmosphere. •…
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 49th Lunar and Planetary Science Conference (2018),…
Solution of the CAI Storage Problem, and the Time and Place of Formation of Meteorite Parent Bodies
S. J. Desch, A. Kalyaan, C. M. O’D. Alexander 49th Lunar and Planetary Science Conference (2018), Abstract #2335 abstract
Molybdenum Isotopic Evidence for a Distal Formation of Refractory Inclusions
G. A. Brennecka, C. Burkhardt, F. Nimmo, T. S. Kruijer, T. Kleine 49th Lunar and Planetary Science Conference (2018), Abstract #2429 PDF
High Abundances of Presolar Grains and 15N-rich Organic Matter in CO3.0 Chondrite Dominion Range 08006OPEN ACCESS
Larry R. Nittler, Conel M. O’D. Alexander, Jemma Davidson, My E. I. Riebe, Rhonda M. Stroud, Jianhua Wang accepted for publication in Geochimica Cosmochimica Acta PDF (OPEN ACCESS) Update (10 Feb 2018): LINK “NanoSIMS C-,…
Late formation of silicon carbide in type II supernovaeOPEN ACCESS
Nan Liu, Larry R. Nittler, Conel M. O’D. Alexander and Jianhua Wang Science Advances 17 Jan 2018: Vol. 4, no. 1, eaao1054 DOI: 10.1126/sciadv.aao1054 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We have found that individual…
Transition Elements in Supernova Presolar Grains: Condensation versus Implantation
Kuljeet K. Marhas and Piyush Sharda The Astrophysical Journal, Volume 853, Number 1 LINK “We compute the concentrations of five transition elements (Cr, Fe, Co, Ni, and Zn) via condensation and implantation in supernova presolar…
Shapes of chondrules determined from the petrofabric of the CR2 chondrite NWA 801
Charles, C. R. J., Robin, P.-Y. F., Davis, D. W. and McCausland, P. J. A. Meteoritics & Planetary Science. doi: 10.1111/maps.13038 LINK “The approximately spherical shapes of chondrules has long been attributed to surface tension…
Cooling rates of type I chondrules from Renazzo: Implications for chondrule formation
Chaumard, N., Humayun, M., Zanda, B. and Hewins, R. H. Meteoritics & Planetary Science. doi: 10.1111/maps.13040 LINK “Cooling rates are one of the few fundamental constraints on models of chondrule formation. In this study, we…
A TEM study of exsolution in Ca-rich pyroxenes from the Paris and Renazzo chondrites: Determination of type I chondrule cooling rates
Cuvillier, P., Chaumard, N., Leroux, H., Zanda, B., Hewins, R. H., Jacob, D. and Devouard, B. Meteoritics & Planetary Science. doi: 10.1111/maps.13032 LINK “We conducted a transmission electron microscope study of the exsolution microstructures of…
The retention of dust in protoplanetary disks: Evidence from agglomeratic olivine chondrules from the outer Solar SystemOPEN ACCESS (until 25 Feb 2018)
Devin L. Schrader, Kazuhide Nagashima, Scott R. Waitukaitis, Jemma Davidson, Timothy J. McCoy, Harold C. Connolly Jr., Dante S. Lauretta Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 December 2017 LINK (OPEN…
Formation of chondrules in a moderately high dust enriched disk: evidence from oxygen isotopes of chondrules from the Kaba CV3 chondrite
Andreas T. Hertwig, Céline Defouilloy, Noriko T. Kita Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 December 2017 LINK “Oxygen three-isotope analysis by secondary ion mass spectrometry of chondrule olivine and pyroxene…
Oxygen isotope reservoirs in the outer asteroid belt inferred from oxygen isotope systematics of chondrule olivines and isolated forsterite and olivine grains in Tagish Lake-type carbonaceous chondrites, WIS 91600 and MET 00432OPEN ACCESS
Masakuni Yamanobe, Tomoki Nakamura, Daisuke Nakashima Polar Science Volume 15, March 2018, Pages 29-38 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “To understand oxygen isotope ratios and redox conditions of the chondrule formation environments of the…
A Hibonite-Pyroxene Spherule in Allan Hills 77307 (CO3.03): Petrography and MineralogyOPEN ACCESS
Ritesh Kumar Mishra PDF (OPEN ACCESS) “Hibonite-pyroxene spherules are an extremely rare kind of refractory inclusion that show a wide range of exotic isotopic properties despite their defining similarity and simplicity in morphology and mineralogy….
Closed system oxygen isotope redistribution in igneous CAIs upon spinel dissolution
Jérôme Aléon Earth and Planetary Science Letters Volume 482, 15 January 2018, Pages 324–333 LINK “Highlights • Pyroxene in most igneous CAIs becomes 16O-enriched during crystallization. • O isotopes in type A, type B and…
Impact splash chondrule formation during planetesimal recyclingOPEN ACCESS
Tim Lichtenberg, Gregor J. Golabek, Cornelis P. Dullemond, Maria Schönbächler, Taras V. Gerya, Michael R. Meyer accepted for publication in Icarus associated blog article (6 Nov 2017) PDF (OPEN ACCESS) “Chondrules are the dominant bulk…
Evidence for accretion of fine-grained rims in a turbulent nebula for CM Murchison
Romy D. Hanna, Richard A. Ketcham Earth and Planetary Science Letters Volume 481, 1 January 2018, Pages 201–211 LINK “Highlights • Fine-grained rims on CM chondrules were formed in a weakly turbulent nebula. • Chondrules…
Complementary element relationships between chondrules and matrix in Rumuruti chondrites
Pia Friend, Dominik C. Hezel, Herbert Palme, Addi Bischoff, Marko Gellissen Earth and Planetary Science Letters, Volume 480, 5 December 2017, Pages 87-96 LINK “Highlights • Complementarity between chondrules and matrix for Fe/Mg, Al/Ti and…
Hf-W chronology of CR chondrites: Implications for the timescales of chondrule formation and the distribution of 26Al in the solar nebula
Gerrit Budde, Thomas S. Kruijer, Thorsten Kleine Geochimica et Cosmochimica Acta In Press, Accepted Manuscript,Available online 24 October 2017 LINK “Renazzo-type carbonaceous (CR) chondrites are distinct from most other chondrites in having younger chondrule 26Al-26Mg…
A study of presolar material in hydrated lithic clasts from metal-rich carbonaceous chondrites
Leitner, J., Hoppe, P. and Zipfel, J. Meteoritics & Planetary Science. doi: 10.1111/maps.12994 LINK “We report on the investigation of presolar grain inventories of hydrated lithic clasts in three metal-rich carbonaceous chondrites from the CR…
The Effect of Jupiter’s Formation on the Distribution of Refractory Elements and Inclusions in MeteoritesOPEN ACCESS
Steven J. Desch, Anusha Kalyaan, Conel M. O’D. Alexander submitted to ApJ PDF (OPEN ACCESS) “We present a comprehensive evolutionary model of the Sun’s protoplanetary disk. The model predicts from first principles the gas densities…
Spatial distribution of carbon dust in the early solar nebula and the carbon content of planetesimalsOPEN ACCESS
Hans-Peter Gail, Mario Trieloff A&A Volume 606, October 2017 LINK (OPEN ACCESS) “Context. A high fraction of carbon bound in solid carbonaceous material is observed to exist in bodies formed in the cold outskirts of…
Coordinated EDX and micro-Raman analysis of presolar silicon carbide: A novel, nondestructive method to identify rare subgroup SiC
Replaced (7 August 2020) by: Coordinated EDX and micro‐Raman analysis of presolar silicon carbide: A novel, nondestructive method to identify rare subgroup SiC Nan Liu, Andrew Steele, Larry R. Nittler, Rhonda M. Stroud, Bradley T….
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)…
Correlated silicon and titanium isotopic compositions of presolar sic grains from the Murchison CM2 chondrite
Frank Gyngard, Sachiko Amari, Ernst Zinner, Kuljeet Kaur Marhas Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 23 September 2017 LINK “We report correlated Si, and Ti isotopic compositions and elemental concentrations of…
Bonanza: An extremely large dust grain from a supernova
Frank Gyngard, Manavi Jadhav, Larry R. Nittler, Rhonda M. Stroud, Ernst Zinner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 7 September 2017 LINK “We report the morphology, microstructure, and isotopic composition of…
The stardust abundance in the local interstellar cloud at the birth of the Solar System
Peter Hoppe, Jan Leitner & János Kodolányi Nature Astronomy (2017) doi:10.1038/s41550-017-0215-0 Published online: 14 August 2017 LINK “Primitive Solar System materials, such as certain types of meteorites, interplanetary dust particles and cometary matter, contain small…
Protracted storage of CR chondrules in a region of the disk transparent to galactic cosmic rays.
Roth, A. S. G., Metzler, K., Baumgartner, L. P., Hofmann, B. A. and Leya, I. Meteoritics & Planetary Science. doi: 10.1111/maps.12923 First published: 11 August 2017 LINK “Renazzo-type carbonaceous (CR) chondrites are accretionary breccias that…
Early formation of planetary building blocks inferred from Pb isotopic ages of chondrulesOPEN ACCESS
By Jean Bollard, James N. Connelly, Martin J. Whitehouse, Emily A. Pringle, Lydie Bonal, Jes K. Jørgensen, Åke Nordlund, Frédéric Moynier, Martin Bizzarro Science Advances 09 Aug 2017: Vol. 3, no. 8, e1700407 DOI: 10.1126/sciadv.1700407…
Ejection of Chondrules from Fluffy MatricesOPEN ACCESS
Sota Arakawa Accepted for publication in ApJ Draft version PDF (OPEN ACCESS) update (8 September 2017): LINK The Astrophysical Journal Volume 846, Number 2 “Chondritic meteorites primarily contain millimeter-sized spherical objects, the so-called chondrules; however,…
CM and CO chondrites: A common parent body or asteroidal neighbors? Insights from chondrule silicates
Devin L. Schrader, Jemma Davidson Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 July 2017 LINK “By investigating the petrology and chemical composition of type II (FeO-rich) chondrules in the Mighei-like carbonaceous…
Titanium isotopes and rare earth patterns in CAIs: evidence for thermal processing and gas-dust decoupling in the protoplanetary disk
Andrew M. Davis, Junjun Zhang, Nicolas D. Greber, Jingya Hu, François L.H. Tissot, Nicolas Dauphas Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 July 2017 LINK “Titanium isotopic compositions (mass-dependent fractionation and…
The spatial distribution of carbon dust in the early solar nebula and the carbon content of planetesimalsOPEN ACCESS
Hans-Peter Gail, Mario Trieloff accepted by Astronomy & Astrophysics PDF (OPEN ACCESS) “A high fraction of carbon bound in solid carbonaceous material is observed to exist in bodies formed in the cold outskirts of the…
Evidence for an impact-induced magnetic fabric in Allende, and exogenous alternatives to the core dynamo theory for Allende magnetization.OPEN ACCESS
Muxworthy, A. R., Bland, P. A., Davison, T. M., Moore, J., Collins, G. S. and Ciesla, F. J. Meteorit Planet Sci. doi:10.1111/maps.12918 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We conducted a paleomagnetic study of the…
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,…
Origin of Na in glass inclusions hosted in olivine from Allende CV3 and Jbilet Winselwan CM2: Implications for chondrule formation
L. Florentin, F. Faure, E. Deloule, L. Tissandier, A. Gurenko, D. Lequin Earth and Planetary Science Letters Volume 474, 15 September 2017, Pages 160–171 LINK “Highlights • Glass inclusions hosted in olivines from Allende experimentally…
What we know about elemental bulk chondrule and matrix compositions: Presenting the ChondriteDB DatabaseOPEN ACCESS
Dominik C. Hezel, Markus Harak, Guy Libourel Chemie der Erde – Geochemistry In Press, Corrected Proof, Available online 11 July 2017 Review Article LINK Update (1 May 2018): PDF (OPEN ACCESS) “Chondrules and matrix are…
J-type carbon stars: A dominant source of 14N-rich presolar SiC grains of type ABOPEN ACCESS
Nan Liu, Thomas Stephan, Patrick Boehnke, Larry R. Nittler, Conel M. O’D. Alexander, Jianhua Wang, Andrew M. Davis, Reto Trappitsch, Michael J. Pellin The Astrophysical Journal Letters PDF (OPEN ACCESS) updated: 22 July 2017 LINK…
Addibischoffite, Ca2Al6Al6O20, a new calcium aluminate mineral from the Acfer 214 CH carbonaceous chondrite: A new refractory phase from the solar nebula
Chi Ma, Alexander N.Krot, Kazuhide Nagashima American Mineralogist, v. 102, i. 7, p. 1556-1560, First Published on July 03, 2017, doi:10.2138/am-2017-6032 LINK “Addibischoffite (IMA 2015-006), Ca2Al6Al6O20, is a new calcium aluminate mineral that occurs with…
Cosmogenic He and Ne in chondrules from clastic matrix and a lithic clast of Murchison: No pre-irradiation by the early sun
My E.I. Riebe, Liliane Huber, Knut Metzler, Henner Busemann, Stefanie M. Luginbuehl, Matthias M.M. Meier, Colin Maden, Rainer Wieler Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 June 2017 LINK “Whether or…
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…
In situ 60Fe-60Ni Systematics of Chondrules from Unequilibrated Ordinary Chondrites
Myriam Telus, Gary R. Huss, Kazuhide Nagashima, Ryan C. Ogliore, Shogo Tachibana Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 June 2017 LINK “The initial 60Fe/56Fe ratio of chondrules from unequilibrated ordinary…
Refractory materials in comet samples.OPEN ACCESS
Joswiak, D. J., Brownlee, D. E., Nguyen, A. N., Messenger, S. Meteorit Planet Sci. doi:10.1111/maps.12877 LINK “Transmission electron microscope examination of more than 250 fragments, >1 μm from comet Wild 2 and a giant cluster…
Insights into CAI Formation from Nickel Isotopic Signatures
Render J. * Brennecka G. A. Wang S. J. Wasylenki L. E. Kleine T. 80th Annual Meeting of the Meteoritical Society 2017 [#6327] abstract (PDF) “Refractory inclusions show isotopic variability in nickel, suggestive of a…
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…
Oxygen, Magnesium, and Aluminum Isotopes in the Ivuna CAI: Re-Examining High-Temperature Fractionations in CI Chondrites
Frank D. R. * Huss G. R. Nagashima K. Zolensky M. E. Le L. 80th Annual Meeting of the Meteoritical Society 2017 [#6355] abstract (PDF) “The only whole CAI preserved in the aqueously altered CI…
Oxygen Isotope Ratios of Magnetite in CI-Like Clasts from a Polymict Ureilite
Kita N. T. * Defouilloy C. Goodrich C. A. Zolensky M. E. 80th Annual Meeting of the Meteoritical Society 2017 [#6153] abstract (PDF) “Magnetites in CI-like dark clasts in polymict ureilite show significant depletion in…
Formation Mechanism of Iron-Rich Olivine: Experimental Constrains into Early Fluid-Assisted Hydration and Dehydration Processes on Asteroids
Dobricǎ E. * Nuth J. A. Brearley A. J. 80th Annual Meeting of the Meteoritical Society 2017 [#6342] abstract (PDF) “We performed three new experiments in an attempt to synthesize FeO-rich olivine. This study shows…
A New Method for Modal Abundance, Chemistry and Density Determination of Fine Grained Matrices of Primitive Chondrites
Zanetta P-M. * Leroux H. Le Guillou C. Zanda B. Hewins R. H. Lewin E. Pont S. 80th Annual Meeting of the Meteoritical Society 2017 [#6274] abstract (PDF) “Analyses of primitive chondrite matrices are not…
Chondrule Oxygen Isotope Systematics in Unequilibrated Ordinary Chondrites: Insights into Their Nebular Reservoir
Baeza L. Ireland T. R. Ávila J. N. Mallmann G. 80th Annual Meeting of the Meteoritical Society 2017 [#6166] abstract (PDF) “Ordinary chondrites (OCs) have distinct bulk O-isotope composition. The range of chondrule O-isotope composition…
Constraints from Isotopic Dichotomy of Meteorites and from a Trans-Jovian Origin for Carbonaceous Chondrites on the Origin of Chondritic Components
Scott E. R. D. * Krot A. N. Sanders I. S. 80th Annual Meeting of the Meteoritical Society 2017 [#6395] abstract (PDF) “Formation of carbonaceous chondrites beyond Jupiter helps explain CAI abundances in chondrites, differences…
Chondrule Olivine Provenance in Carbonaceous Chondrites: Chemical and Oxygen Isotope Systematics
Bonning G. P. Ireland T. R. Ávila J. N. Mallmann G. 80th Annual Meeting of the Meteoritical Society 2017 [#6151] abstract (PDF) “Bulk chondrites have specific and distinct bulk O-isotopic compositions, yet they appear to…
Microanalytical Investigation of Fine-Grained Matrix Material in Elephant Moraine 92042: Effects of Parent Body Processing on Primitive Components
Koch I. Floss C. * 80th Annual Meeting of the Meteoritical Society 2017 [#6013] abstract (PDF) “Aqueous alteration has affected presolar silicate abundances in the CR chondrite EET 92042 and has resulted in elemental changes…
A Speculative “Fiefdom” Model for Chondrite Origins
Melosh H. J. * Bland P. A. Collins G. S. Johnson B. C. 80th Annual Meeting of the Meteoritical Society 2017 [#6239] abstract (PDF) “Distinct chondrite classes, complementarity of chondrules and matrix, and chondrule ages…
Chondrule-Cored Aggregates in CV Chondrites: Origin by Chondrule Formation Followed by Olivine Condensation
Fagan T. J. Yasuda T. Nagashima K. Krot A. N. 80th Annual Meeting of the Meteoritical Society 2017 [#6202] abstract “Chondrule-cored aggregates (ChCAs) are a new component of CV chondrites, in which early-stage pyroxene crystallized…
The Evolution of the Protoplanetary Disk Recorded by Nucleosynthetic Isotope Variations of Variable Stellar Origin in Refractory Inclusions
Schönbächler M. * Lai Y.-J. Henshall T. Fehr M. A. Cook D. L. Bullock E. S. 80th Annual Meeting of the Meteoritical Society 2017 [#6222] abstract (PDF) “New CAI data confirm the homogeneous distribution of…
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…
The neutron capture process in the He shell in core-collapse supernovae: Presolar silicon carbide grains as a diagnostic tool for nuclear astrophysics
Marco Pignatari, Peter Hoppe, Reto Trappitsch, Chris Fryer, F.X. Timmes, Falk Herwig, Raphael Hirschi Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 June 2017 LINK “Carbon-rich presolar grains are found in primitive…
Do meteoritic silicon carbide grains originate from asymptotic giant branch stars of super-solar metallicity?
Maria Lugaro, Amanda I. Karakas, Mária Pető, Emese Plachy Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 June 2017 LINK “We compare literature data for the isotopic ratios of Zr, Sr, and…
Presolar Silicates in the Matrix and Fine-grained Rims Around Chondrules in Primitive CO3.0 Chondrites: Evidence for Pre-Accretionary Aqueous Alteration of the Rims in the Solar Nebula
Pierre Haenecour, Christine Floss, Thomas J. Zega, Thomas K. Croat, Alian Wang, Bradley L. Jolliff, Paul Carpenter Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 June 2017 LINK “To investigate the origin…
Crystal growth and disequilibrium distribution of oxygen isotopes in an igneous Ca-Al-rich inclusion from the Allende carbonaceous chondriteOPEN ACCESS
Noriyuki Kawasaki, Steven B. Simon, Lawrence Grossman, Naoya Sakamoto, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 June 2017 LINK (OPEN ACCESS) “TS34 is a Type B1 Ca-Al-rich inclusion (CAI)…
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:…
Simultaneous iron and nickel isotopic analyses of presolar silicon carbide grains
Reto Trappitsch, Thomas Stephan, Michael R. Savina, Andrew M. Davis, Michael J. Pellin, Detlef Rost, Frank Gyngard, Roberto Gallino, Sara Bisterzo, Sergio Cristallo, Nicolas Dauphas Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online…
Iron and nickel isotope compositions of presolar silicon carbide grains from supernovae
János Kodolányi, Thomas Stephan, Reto Trappitsch, Peter Hoppe, Marco Pignatari, Andrew M. Davis, Michael J. Pellin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “We report the carbon, silicon,…
Rare Earth Element abundances in presolar SiC
T.R. Ireland, J.N. Ávila, M. Lugaro, S. Cristallo, P. Holden, P. Lanc, L. Nittler, C.M.O’D. Alexander, F. Gyngard, S. Amari Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Individual…
Silicate–SiO reaction in a protoplanetary disk recorded by oxygen isotopes in chondrules
Ryoji Tanaka & Eizo Nakamura Nature Astronomy 1, Article number: 0137 (2017) doi:10.1038/s41550-017-0137 LINK “The formation of planetesimals and planetary embryos during the earliest stages of the solar protoplanetary disk largely determined the composition and…
Stellar origin of 15N-rich presolar SiC grains of type AB: supernovae with explosive hydrogen burningOPEN ACCESS
Nan Liu, Larry R. Nittler, Marco Pignatari, Conel M. O’D. Alexander, Jianhua Wang The Astrophysical Journal Letters PDF (OPEN ACCESS) “We report C, N, and Si isotopic data for 59 highly 13C-enriched presolar submicron- to…
Osmium isotopic homogeneity in the CK carbonaceous chondrites
Steven Goderis, Alan D. Brandon, Bernhard Mayer, Munir Humayun Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 May 2017 LINK “Variable proportions of isotopically diverse presolar components are known to account for…
Secondary melting events in Semarkona chondrules revealed by compositional zoning in low-Ca pyroxene
Bastian Baecker, Alan E. Rubin, John T. Wasson Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 17 May 2017 LINK “It is well established that many chondrules contain relict grains formed in previous…
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…
Correlated Nanoscale Characterization of a Unique Complex Oxygen-rich Stardust Grain: Implications for Circumstellar Dust Formation
J. Leitner, P. Hoppe, C. Floss, F. Hillion, T. Henkel Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 11 May 2017 LINK “We report the light to intermediate-mass element abundances as well as…
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…
A multielement isotopic study of refractory FUN and F CAIs: Mass-dependent and mass-independent isotope effects
Levke Kööp, Daisuke Nakashima, Philipp R. Heck, Noriko T. Kita, Travis J. Tenner, Alexander N. Krot, Kazuhide Nagashima, Changkun Park, Andrew M. Davis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 26 April…
Formation of unequilibrated R chondrite chondrules and opaque phases
K.E. Miller, D.S. Lauretta, H.C. Connolly Jr., E.L. Berger, K. Nagashima, K. Domanik Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 April 2017 LINK “Sulfide assemblages are commonly found in chondritic meteorites…
The Allende multicompound chondrule (ACC)—Chondrule formation in a local super-dense region of the early solar system
Bischoff, A., Wurm, G., Chaussidon, M., Horstmann, M., Metzler, K., Weyrauch, M. and Weinauer, J. Meteoritics & Planetary Science. doi: 10.1111/maps.12833 LINK “In Allende, a very complex compound chondrule (Allende compound chondrule; ACC) was found…
The origin of volatile element depletion in early solar system material: Clues from Zn isotopes in chondrulesOPEN ACCESS
Emily A. Pringle, Frédéric Moynier, Pierre Beck, Randal Paniello, Dominik C. Hezel Earth and Planetary Science Letters, Volume 468, 15 June 2017, Pages 62-71 Open Access funded by European Research Council LINK (OPEN ACCESS) Update…
Nepheline and sodalite in chondrules of the Ningqiang carbonaceous chondrite: Implications for a genetic relationship with those in the matrix
Megumi Matsumoto, Kazushige Tomeoka, Yusuke Seto Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 April 2017, LINK “Ningqiang is an ungrouped carbonaceous chondrite that has a chemical and mineralogical affinity to CV3…
Origin of crystalline silicates from Comet 81P/Wild 2: Combined study on their oxygen isotopes and mineral chemistry
Céline Defouilloy, Daisuke Nakashima, David J. Joswiak, Donald E. Brownlee, Travis J. Tenner, Noriko T. Kita Earth and Planetary Science Letters, Volume 465, 1 May 2017, Pages 145-154 LINK “Highlights • 7 silicates grains from…
Early Solar System irradiation quantified by linked vanadium and beryllium isotope variations in meteoritesOPEN ACCESS
Paolo A. Sossi, Frédéric Moynier, Marc Chaussidon, Johan Villeneuve, Chizu Kato & Matthieu Gounelle Nature Astronomy 1, Article number: 0055 (2017) doi:10.1038/s41550-017-0055 Published online: 20 March 2017 PDF (OPEN ACCESS) LINK “X-ray emission in young…
In situ isotopic studies of the U-depleted Allende CAI Curious Marie: Pre-accretionary alteration and the co-existence of 26Al and 36Cl in the early solar nebula
Haolan Tang, Ming-Chang Liu, Kevin D. McKeegan, Francois L.H. Tissot, Nicolas Dauphas Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 March 2017 LINK “The isotopic composition of oxygen as well as 26Al-26Mg…
The role of acidity–basicity in evaporating refractory inclusions in chondrites
O. I. Yakovlev, K. M. Ryazantsev, S. I. Shornikov Geochemistry International March 2017, Volume 55, Issue 3, pp 251–256 First Online: 12 March 2017 LINK “When melts of Ca–Al inclusions in chondrites, which are dominated…
Chondrule Accretion with a Growing ProtoplanetOPEN ACCESS
Yuji Matsumoto, Shoichi Oshino, Yasuhiro Hasegawa, Shigeru Wakita accepted for publication in ApJ Draft version published: 28 February 2017 PDF (OPEN ACCESS) Update (8 March 2017): LINK The Astrophysical Journal, Volume 837, Number 2 “Chondrules…
Titanium isotopic compositions of rare presolar SiC grain types from the Murchison meteorite
Ann N. Nguyen, Larry R. Nittler, Conel M.O’D. Alexander, Peter Hoppe Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 February 2017 LINK “We report the Ti isotopic compositions of 8 mainstream, 22…
Low-velocity collisions of chondrules: How a thin dust cover helps enhance the sticking probabilityOPEN ACCESS
Nina Gunkelmann, Akimasa Kataoka, Cornelis P. Dullemond and Herbert M. Urbassek A&A Volume 599, March 2017 24 February 2017 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Aims. The collision of two chondrules covered by a dust…
Correlated XANES, TEM, and NanoSIMS of Presolar Graphite Grains
Evan E. Groopman, Larry R. Nittler Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 20 February 2017 LINK “We report correlated XANES, TEM, and NanoSIMS measurements of twelve presolar graphite grains extracted from…
A divergent heritage for complex organics in Isheyevo lithic clastsOPEN ACCESS
Elishevah M.M.E. van Kooten, Kazuhide Nagashima, Takeshi Kasama, Susanne Wampfler, Jon P. Ramsey, Søren Frimann, Zoltan I. Balogh, Martin Schiller, Daniel P. Wielandt, Ian A. Franchi, Jes K. Jørgensen, Alexander N. Krot, Martin Bizzarro Geochimica…
Lifetime of the solar nebula constrained by meteorite paleomagnetism
By Huapei Wang, Benjamin P. Weiss, Xue-Ning Bai, Brynna G. Downey, Jun Wang, Jiajun Wang, Clément Suavet, Roger R. Fu, Maria E. Zucolotto Science 10 Feb 2017: Vol. 355, Issue 6325, pp. 623-627 DOI: 10.1126/science.aaf5043…
NanoSIMS Isotope Studies of Rare Types of Presolar Silicon Carbide Grains from the Murchison Meteorite: Implications for Supernova Models and the Role of 14C
Peter Hoppe, Marco Pignatari, János Kodolányi, Elmar Gröner, Sachiko Amari Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 9 February 2017 LINK “We have conducted a NanoSIMS ion imaging survey of about 1800…
Spinel-Bearing, Al-Rich Chondrules in the Unequilibrated Ordinary Chondrite NWA 7402
D. K. Ross, J. I. Simon, M. J. Cato 48th Lunar and Planetary Science Conference (2017), Abstract #1616 LINK
