36Cl-36S in Allende CAIs: Implication for the Origins of 36Cl in the Early Solar System
H. Tang, M. C. Liu, K. D. McKeegan, F. L. H. Tissot, N. Dauphas 48th Lunar and Planetary Science Conference (2017), Abstract #2618 LINK
Once a CAI, always a CAI: Flare-Up-Induced Episodic Fractionation and Melting in the Early Solar Nebula
G. J. MacPherson 48th Lunar and Planetary Science Conference (2017), Abstract #2719 LINK
Oxygen Isotopic Heterogeneity in an Ultrarefractory Phase Bearing CAI from a Reduced Type CV3 Chondrite RBT 04143
T. Yoshizaki, D. Nakashima, T. Nakamura, C. Park, N. Sakamoto, H. Ishida, J. I. Lee 48th Lunar and Planetary Science Conference (2017), Abstract #1378 LINK
Beryllium-Boron Systematics of Two Distinctive CAIs from CV3 Chondrites: The Relatively Pristine CAI B4 from NWA 6991 and the FUN CAI CMS-1 from Allende
E. Dunham, M. Wadhwa, S. J. Desch 48th Lunar and Planetary Science Conference (2017), Abstract #1507 LINK
Al-Mg Systematics of Nebular Condensates in the Efremovka CV3 Chondrite
N. Kawasaki, H. Yurimoto 48th Lunar and Planetary Science Conference (2017), Abstract #1091 LINK
Abundances and Compositions of Presolar Grains in CR2 Chondrite EET 92042
I. Koch, C. Floss 48th Lunar and Planetary Science Conference (2017), Abstract #2984 LINK
Presolar Grains in Micrometeorites: Evidence for the Injection of Supernova Dust into the Solar Nebula
P. Haenecour, C. Floss, R. Ogliore, A. Wang, T. Yada 48th Lunar and Planetary Science Conference (2017), Abstract #1080 LINK
Magnesium, Titanium, and Chromium Isotope Compositions of Refractory Inclusions from Several CV3 and CK3 Chondrites: Implications for Nebular Heterogeneity
Z. A. Torrano, V. K. Rai, M. Wadhwa 48th Lunar and Planetary Science Conference (2017), Abstract #3045 LINK
Search for Primitive Matter in the Solar System
G. Libourel, P. Michel, M. Delbo, C. Ganino, A. Recio-Blanco, P. de Laverny, M. E. Zolensky, A. R. Krot 48th Lunar and Planetary Science Conference (2017), Abstract #2280 LINK
Type-IAB Chondrules in LL3.0 Semarkona: No Need for High Partial Pressures of SiO(g) in the Solar Nebula
A. E. Rubin 48th Lunar and Planetary Science Conference (2017), Abstract #2700 PDF
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
Towards Understanding the Source of Nucleosynthetic Anomalies in Refractory Inclusions
G. A. Brennecka, C. Burkhardt, T. S. Kruijer, T. Kleine 48th Lunar and Planetary Science Conference (2017), Abstract #1619 LINK
Fine-Grained CAIs in Comet Samples: Moderate Refractory Character and Comparison to Small Refractory Inclusions in Chondrites
D. J. Joswiak, D. E. Brownlee, A. N. Nguyen, S. Messenger 48th Lunar and Planetary Science Conference (2017), Abstract #1646 LINK
Model Calculations for Evaporation of AOA and CAI Melts: Implications for the Bulk CAIs Compositions of CV3 and CH-CB Chondrites
M. A. Ivanova, S. I. Shornikov, K. P. Ryazantsev, O. I. Yakovlev 48th Lunar and Planetary Science Conference (2017), Abstract #1363 LINK
Melt Formation and Evolution on the Ureilite Parent Body, as Shown by Feldspathic Clasts in Polymict Ureilites
C. A. Goodrich, A. H. Treiman, S. Boyle 48th Lunar and Planetary Science Conference (2017), Abstract #1196 LINK
A New Type of Foreign Clast in a Polymict Ureilite: A CAI or Al-Rich Chondrule
C. A. Goodrich, D. K. Ross, A. H. Treiman 48th Lunar and Planetary Science Conference (2017), Abstract #1101 PDF
An Overview of Type II Chondrules in the CM Chondrite Jbilet Winselwan
M. J. Cato, A. L. Fagan 48th Lunar and Planetary Science Conference (2017), Abstract #2676 PDF
Oxygen Isotope Systematics of Chondrules from the Paris CM2 Chondrite
N. Chaumard, C. Defouilloy, N. T. Kita, A. Hertwig 48th Lunar and Planetary Science Conference (2017), Abstract #1610 PDF
From Presolar to Solar Silicates: Resolving the Ancestry of Silicates in Primitive Solids
K. L. Villalon, C. Floss, T. Stephan, R. Trappitsch, I. Koch, L. Kӧӧp, A. M. Davis 48th Lunar and Planetary Science Conference (2017), Abstract #3029 PDF
Ultra-Refractory Calcium-Aluminum-Rich Inclusion in an AOA in CR Chondrite Yamato-793261
M. Komatsu, T. J. Fagan, A. Yamaguchi, T. Mikouchi, M. Yasutake, M. E. Zolensky 48th Lunar and Planetary Science Conference (2017), Abstract #2009 PDF
Origin of meteoritic stardust unveiled by a revised proton-capture rate of 17O
M. Lugaro, A. I. Karakas, C. G. Bruno, M. Aliotta, L. R. Nittler, D. Bemmerer, A. Best, A. Boeltzig, C. Broggini, A. Caciolli, F. Cavanna, G. F. Ciani, P. Corvisiero, T. Davinson, R. Depalo, A….
A magmatic origin for silica-rich glass inclusions hosted in porphyritic magnesian olivines in chondrules: an experimental study
François Faure, Laurent Tissandier, Léa Florentin, Karine Devineau Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 January 2017 LINK “Rare silica-rich glass inclusions (69 < SiO2 < 82 wt.%) are described within...
Diffusion of Oxygen Isotopes in Thermally Evolving Planetesimals and Size Ranges of Presolar Silicate GrainsOPEN ACCESS
S. Wakita, T. Nozawa, Y. Hasegawa accepted for publication in ApJ PDF (OPEN ACCESS) Update (13 February 2017): LINK “Presolar grains are small particles found in meteorites through their isotopic compositions which are considerably different…
High Precision Al-Mg Systematics of Forsterite-Bearing Type B CAIs from CV3 Chondrites
G.J. MacPherson, E.S. Bullock, T.J. Tenner, D. Nakashima, N.T. Kita, M.A. Ivanova, A.N. Krot, M.I. Petaev, S.B. Jacobsen Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 December 2016 LINK “In order to…
Oxygen isotope characteristics of chondrules from the Yamato-82094 ungrouped carbonaceous chondrite: Further evidence for common O-isotope environments sampled among carbonaceous chondrites.
Tenner, T. J., Kimura, M. and Kita, N. T. Meteoritics & Planetary Science. doi: 10.1111/maps.12791 LINK “High-precision secondary ion mass spectrometry (SIMS) was employed to investigate oxygen three isotopes of phenocrysts in 35 chondrules from…
Distribution of p-process 174Hf in early solar system materials and the origin of nucleosynthetic Hf and W isotope anomalies in Ca–Al rich inclusions
Stefan T.M. Peters, Carsten Münker, Markus Pfeifer, Bo-Magnus Elfers, Peter Sprung Earth and Planetary Science Letters In Press, Corrected Proof, Available online 29 November 2016 LINK “Highlights • Chondrites, eucrites and Earth carry uniform p-process…
Water in type I chondrules of Paris CM chondrite
A. Stephant, L. Remusat, F. Robert Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 25 November 2016 LINK “Hydrogen isotopic ratio and water concentration have been measured with the NanoSIMS in olivine, pyroxene…
Planetesimal collisions as a chondrule forming eventOPEN ACCESS
Shigeru Wakita, Yuji Matsumoto, Shoichi Oshino, Yasuhiro Hasegawa accepted for publication in ApJ PDF (OPEN ACCESS) abstract Update (9 January 2017): LINK “Chondritic meteorites contain unique spherical materials named chondrules: sub-mm sized silicate grains once…
Thermal and chemical evolution in the early Solar System as recorded by FUN CAIs: Part I – Petrology, mineral chemistry, and isotopic composition of Allende FUN CAI CMS-1
C.D. Williams, T. Ushikubo, E.S. Bullock, P.E. Janney, R.R. Hines, N.T. Kita, R.L. Hervig, G.J. MacPherson, R.A. Mendybaev, F.M. Richter, M. Wadhwa Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 14 November 2016…
Olivine dissolution in molten silicates: An experimental study with application to chondrule formation.
Soulié, C., Libourel, G. and Tissandier, L. Meteoritics & Planetary Science. doi: 10.1111/maps.12792 First published: 11 November 2016 LINK “Mg-rich olivine is a ubiquitous phase in type I porphyritic chondrules in various classes of chondritic…
26Al-26Mg systematics in chondrules from Kaba and Yamato 980145 CV3 carbonaceous chondrites
Kazuhide Nagashima, Alexander N. Krot, Mutsumi Komatsu Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 November 2016 LINK “We report the mineralogy, petrography, and in situ measured 26Al-26Mg systematics in chondrules from…
The initial 41Ca/40Ca ratios in two Type A Ca-Al-rich Inclusions: Implications for the origin of short-lived 41Ca
Ming-Chang Liu Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 26 October 2016 LINK “This paper reports new 41Ca-41K isotopic data for two Type A CAIs, NWA 3118 #1Nb (Compact Type A) and…
Thermal and chemical evolution in the early Solar System as recorded by FUN CAIs: Part II – Laboratory evaporation of potential CMS-1 precursor material
Ruslan A. Mendybaev, Curtis D. Williams, Michael J. Spicuzza, Frank M. Richter, John W. Valley, Alexei V. Fedkin, Meenakshi Wadhwa Geochimica et Cosmochimica Acta In Press, Accepted Manuscript Available online 21 October 2016 LINK “We…
A renewed search for short-lived 126Sn in the early Solar System: Hydride generation MC-ICPMS for high sensitivity Te isotopic analysis
Gregory A. Brennecka, Lars E. Borg, Stephen J. Romaniello, Amanda K. Souders, Quinn R. Shollenberger, Naomi E. Marks, Meenakshi Wadhwa Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 October 2016 LINK “Although…
Calcium-aluminum-rich inclusions with fractionation and unidentified nuclear effects (FUN CAIs): II. Heterogeneities of magnesium isotopes and 26Al in the early Solar System inferred from in situ high-precision magnesium-isotope measurements
Changkun Park, Kazuhide Nagashima, Alexander N. Krot, Gary R. Huss, Andrew M. Davis, Martin Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 October 2016 LINK “Calcium-aluminum-rich inclusions with isotopic mass fractionation…
Molybdenum isotopic evidence for the origin of chondrules and a distinct genetic heritage of carbonaceous and non-carbonaceous meteoritesOPEN ACCESS
Gerrit Budde, Christoph Burkhardt, Gregory A. Brennecka, Mario Fischer-Gödde, Thomas S. Kruijer, Thorsten Kleine Earth and Planetary Science Letters In Press, Corrected Proof, Available online 3 October 2016 PDF (OPEN ACCESS) LINK (OPEN ACCESS) “Nucleosynthetic…
Chondrules: The Canonical and Non-canonical View
Connolly, H. C., Jr., and R. H. Jones Journal of Geophysical Research: Planets Review article Accepted manuscript online: 30 September 2016 DOI: 10.1002/2016JE005113 First published: 25 October 2016 LINK “Millimeter-scale rock particles called chondrules are…
Calcium-Aluminum-Rich Inclusions Recycled During Formation of Porphyritic Chondrules from CH Carbonaceous Chondrites
Alexander N. Krot, Kazuhide Nagashima, Elishevah M.M. van Kooten, Martin Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 September 2016 LINK “We report on the mineralogy, petrography, and O-isotope compositions of…
Characterization of Carbonaceous Matter in Xenolithic Clasts from the Sharps (H3.4) Meteorite: Constraints on the Origin and Thermal Processing
Yoko Kebukawa, Michael E. Zolensky, Queenie H.S. Chan, Keisuke Nagao, A.L. David Kilcoyne, Robert J. Bodnar, Charles Farley, Zia Rahman, Loan Le, George D. Cody Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online…
Magmatic sulfides in the porphyritic chondrules of EH enstatite chondritesOPEN ACCESS
Laurette Piani, Yves Marrocchi, Guy Libourel, Laurent Tissandier PDF (open access) Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 22 September 2016 LINK “The nature and distribution of sulfides within 17 porphyritic chondrules…
Primitive Solar System materials and Earth share a common initial 142Nd abundance
A. Bouvier & M. Boyet Nature 537, 399–402 (15 September 2016) doi:10.1038/nature19351 LINK “The early evolution of planetesimals and planets can be constrained using variations in the abundance of neodymium-142 (142Nd), which arise from the…
The Motion of Chondrules and Other Particles in a Protoplanetary Disk with Temperature FluctuationsOPEN ACCESS
Christoph Loesche, Gerhard Wurm, Thorben Kelling, Jens Teiser, Denton S. Ebel PDF (OPEN ACCESS) abstract “We consider the mechanism of photophoretic transport in protoplanetary disks that are optically thick to radiation. Here, photophoresis is not…
A long duration of the 16O-rich reservoir in the solar nebula, as recorded in fine-grained refractory inclusions from the least metamorphosed carbonaceous chondrites
Takayuki Ushikubo, Travis J. Tenner, Hajime Hiyagon, Noriko T. Kita Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 September 2016 LINK “Oxygen isotope ratios and corresponding 26Al-26Mg isotope systematics of refractory inclusions…
In situ oxygen isotope compositions in olivines of different types of cosmic spherules: an assessment of relationships to chondritic particles
N.G. Rudraswami, M. Shyam Prasad, R.H. Jones, K. Nagashima Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 August 2016 LINK “Cosmic spherules collected from deep sea sediments of the Indian Ocean having…
Forming chondrules in impact splashes – II Volatile retentionOPEN ACCESS
Cornelis Petrus Dullemond, Daniel Harsono, Sebastian Markus Stammler, Anders Johansen Accepted for publication in ApJ PDF (OPEN ACCESS) abstract Update (18 Nov. 2016): The Astrophysical Journal, Volume 832, Number 1 LINK “Solving the mystery of…
Diffusion of Helium in SiC and Implications for Retention of Cosmogenic He
D.J. Cherniak, E.B. Watson, R. Trappisch, J.B. Thomas, D. Chaussende Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 11 August 2016 LINK “Diffusion of helium has been characterized in silicon carbide of cubic…
Tracking the Distribution of 26Al and 60Fe during the Early Phases of Star and Disk Evolution
Michael Kuffmeier, Troels Frostholm Mogensen, Troels Haugbølle, Martin Bizzarro, and Åke Nordlund The Astrophysical Journal, Volume 826, Number 1 Published 2016 July 18 LINK “The short-lived 26Al and 60Fe radionuclides are synthesized and expelled into…
The First Discovery of Presolar Graphite Grains from the Highly Reducing Qingzhen (EH3) Meteorite
Yuchen Xu, Yangting Lin, Jianchao Zhang, and Jialong Hao The Astrophysical Journal, Volume 825, Number 2 Published 2016 July 7 LINK “Presolar graphite grains have been extensively studied, but are limited in carbonaceous chondrites, particularly…
Early scattering of the solar protoplanetary disk recorded in meteoritic chondrulesOPEN ACCESS
By Yves Marrocchi, Marc Chaussidon, Laurette Piani, Guy Libourel Science Advances 01 Jul 2016: Vol. 2, no. 7, e1601001 DOI: 10.1126/sciadv.1601001 LINK (OPEN ACCESS) Supplementary Materials (PDF) “Meteoritic chondrules are submillimeter spherules representing the major…
Coordinated Analysis of Two Graphite Grains from the CO3.0 LAP 031117 Meteorite: First Identification of a CO Nova Graphite and a Presolar Iron Sulfide SubgrainOPEN ACCESS
Pierre Haenecour, Christine Floss, Jordi Jose, Sachiko Amari, Katharina Lodders, Manavi Jadhav, Alian Wang, Frank Gyngard Accepted for publication in The Astrophysical Journal PDF (open access) abstract “Presolar grains constitute remnants of stars that existed…
A Unified Framework for Producing CAI Melting, Wark-Lovering Rims and Bowl-Shaped CAIsOPEN ACCESS
Kurt Liffman, Nicolas Cuello, David A. Paterson PDF (OPEN ACCESS) abstract update (1 July 2016): MNRAS (2016) doi: 10.1093/mnras/stw1563 First published online July 1, 2016 LINK “Calcium Aluminium Inclusions (CAIs) formed in the Solar System,…
Distribution of 26Al in the CR chondrite chondrule-forming region of the protoplanetary disk
Devin L. Schrader, Kazuhide Nagashima, Alexander N. Krot, Ryan C. Ogliore, Qing-Zhu Yin, Yuri Amelin, Claudine H. Stirling, Angela Kaltenbach Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 23 June 2016 LINK (OPEN…
Chondrule Pyroxene Embedded in Cores of Amoeboid Olivine Aggregates from Allende: Evidence of Overlapping Formation Times of AOAs and Chondrules
Fagan T. J. * Komatsu M. Nishijima E. Fukushima H. Yasuda T. 79th Annual Meeting of the Meteoritical Society (2016) #6292 LINK
Evidence for Oxygen-Isotope Exchange in Chondrules and Refractory Inclusions During Fluid-Rock Interaction on the CV Chondrite Parent Body
Krot A. N. * Nagashima K. 79th Annual Meeting of the Meteoritical Society (2016) #6014 LINK
Search for Correlations Between Size and Oxygen Isotopy of OC Chondrules
Metzler K. Pack A. Hezel D. C. 79th Annual Meeting of the Meteoritical Society (2016) #6441 LINK
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…
A Numeric System to Describe Chondrule Textures and Mineralogy
Herd R. K. 79th Annual Meeting of the Meteoritical Society (2016) #6236 LINK
The Chondrule–Matrix Complementarity, a Big Data Approach
Harak M. Hezel D. C. 79th Annual Meeting of the Meteoritical Society (2016) #6174 LINK
Iron Oxidation States of Matrix in Carbonaceous Chondrites Acfer 094 and MIL 07687
Vaccaro E. King A. J. Schofield P. F. Abyaneh M. K. Kaulich B. Russell S. S. 79th Annual Meeting of the Meteoritical Society (2016) #6473 LINK
What do We Know About Elemental Bulk Chondrule Compositions? Presenting the ChondriteDB Database
Hezel D. C. * Harak M. Libourel G. 79th Annual Meeting of the Meteoritical Society (2016) [#6132] LINK
Searching for calcium-aluminum-rich inclusions in cometary particles with Rosetta/COSIMA.
Paquette, J. A., Engrand, C., Stenzel, O., Hilchenbach, M., Kissel, J. and the COSIMA Team Meteoritics & Planetary Science. doi: 10.1111/maps.12669 LINK “The calcium-aluminum-rich inclusions (CAIs) found in chondritic meteorites are probably the oldest solar…
Ca–Al-rich inclusions in carbonaceous chondrites: the oldest solar system objects
M.A. Ivanova Geochemistry International May 2016, Volume 54, Issue 5, pp 387-402 First online: 22 May 2016 LINK “This paper presents a review of recent available data on the first solid condensates of the Solar…
Production and Recoil Loss of Cosmogenic Nuclides in Presolar Grains
Reto Trappitsch and Ingo Leya Published 2016 May 16 The Astrophysical Journal, Volume 823, Number 1 LINK “Presolar grains are small particles that condensed in the vicinity of dying stars. Some of these grains survived…
A link between oxygen, calcium and titanium isotopes in 26Al-depleted hibonite-rich CAIs from Murchison and implications for the heterogeneity of dust reservoirs in the solar nebula
Levke Kööp, Andrew M. Davis, Daisuke Nakashima, Changkun Park, Alexander N. Krot, Kazuhide Nagashima, Travis J. Tenner, Philipp R. Heck, Noriko T. Kita Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 13 May…
The effect of site geometry, Ti content and Ti oxidation state on the Ti K-edge XANES spectrum of synthetic hibonite
P.M. Doyle, A.J. Berry, P.F. Schofield, J.F.W. Mosselmans Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 May 2016 LINK “The Al-rich oxide hibonite (CaAl12O19) is modelled to be the second mineral to…
Cosmic-ray exposure ages of chondrules.
Roth, A. S. G., Metzler, K., Baumgartner, L. P. and Leya, I. Meteoritics & Planetary Science. doi: 10.1111/maps.12658 Article first published online: 9 MAY 2016 LINK “If chondrules were exposed to cosmic rays prior to…
Compound chondrule formation via collision of supercooled dropletsOPEN ACCESS
Sota Arakawa, Taishi Nakamoto Updated May 6: PDF (open access) Icarus In Press, Accepted Manuscript, Available online 3 May 2016 LINK “We present a novel model showing that compound chondrules are formed by collisions of…
Oxygen isotopic variations in the outer margins and Wark-Lovering rims of refractory inclusionsOPEN ACCESS
Justin I. Simon, Jennifer E.P. Matzel, Steven B. Simon, D. Kent Ross, Peter K. Weber, Lawrence Grossman Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 May 2016 LINK (open access) “Oxygen isotopic…
Corundum-hibonite inclusions and the environments of high temperature processing in the early solar system
Andrew W. Needham, Scott Messenger, Jangmi Han, Lindsay P. Keller Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 May 2016 LINK “Corundum-bearing Ca-Al-rich inclusions (CAIs) are a rare class of high-temperature condensates…
Majindeite, Mg2Mo3O8, a new mineral from the Allende meteorite and a witness to post-crystallization oxidation of a Ca-Al-rich refractory inclusion
Chi Ma, John R. Beckett American Mineralogist 10.2138/am-2016-5399 First Published on May 02, 2016 LINK “Majindeite (IMA 2012-079), Mg2Mo3O8, is a new mineral, occurring as submicrometer-sized crystals with Ni-Fe and Ru-Os-Ir alloys, ± apatite and…
Precise titanium isotope compositions of refractory inclusions in the Allende CV3 chondrite by LA-MC-ICPMS
C.D. Williams, , P.E. Janney1, R.R. Hines, M. Wadhwa Chemical Geology Volume 436, 15 October 2016, Pages 1–10 LINK “We present here analyses of mass-independent effects in the Ti isotope ratios of 17 coarse-grained (compact…
Generating potassium abundance variations in the Solar Nebula
Alexander Hubbard Accepted for publication, ApJ PDF (open access) abstract “An intriguing aspect of chondritic meteorites is that they are complementary: while their separate components have wildly varying abundances, bulk chondrites have nearly solar composition….
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…
A note on cement in asteroids
G. Bilalbegovic accepted for publications in Icarus PDF (open access) abstract “Cement mineral tobermorite was formed in hydrothermal experiments on alternation of calcium-aluminum-rich inclusions (CAIs) in carbonaceous chondrite meteorites. Unidentified bands at 14 microns were…
New constraints on the relationship between 26Al and oxygen, calcium, and titanium isotopic variation in the early Solar System from a multielement isotopic study of spinel-hibonite inclusions
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, Available online 20 April 2016 LINK…
Microstructural constraints on complex thermal histories of refractory CAI-like objects in an amoeboid olivine aggregate from the ALHA77307 CO3.0 chondrite
Jangmi Han, Adrian J. Brearley Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 April 2016 doi:10.1016/j.gca.2016.04.011 LINK “We have carried out a FIB/TEM study of refractory CAI-like objects in one AOA from…
Mesoscale Modeling of Impact Compaction of Primitive Solar System Solids
Thomas M. Davison, Gareth S. Collins, and Philip A. Bland The Astrophysical Journal, Volume 821, Number 1 Published 2016 April 11 LINK “We have developed a method for simulating the mesoscale compaction of early solar…
Microchondrules in two unequilibrated ordinary chondrites: Evidence for formation by splattering from chondrules during stochastic collisions in the solar nebula
E. Dobrică and A. J. Brearley Meteoritics & Planetary Science. doi: 10.1111/maps.12633 LINK “The diversity of silicate, glassy spherules analogous to chondrules, called microchondrules, and the implications for their presence in unequilibrated ordinary chondrites (UOCs)…
Rare earth element measurements and mapping of minerals in the Allende CAI, 7R19-1, by NanoSIMS ion microprobe.
Ito, M. and Messenger, S. Meteoritics & Planetary Science. doi: 10.1111/maps.12623 LINK “We have established analytical procedures for quantitative rare earth element (REE) measurements by NanoSIMS 50L ion microprobe with 2–10 μm spatial resolution. Measurements…
Insights into chondrule formation process and shock-thermal history of the Dergaon chondrite (H4-5)
D. Ray, S. Ghosh, T.K. Goswami, M.J. Jobin Geoscience Frontiers Available online 15 March 2016 In Press, Corrected Proof LINK (OPEN ACCESS) “The Dergaon fall represents a shock-melted H4-5 (S5) ordinary chondrite which includes at…
Ferromagnetism and particle collisions: applications to protoplanetary disks and the meteoritical record
Alexander Hubbard accepted, ApJ update (July 27): LINK PDF (open access) abstract “The meteoritical record shows both iron partitioning and tungsten isotopic partitioning between matrix and chondrules. Tungsten is not abundant enough to have driven…
The effect of multiple particle sizes on cooling rates of chondrules produced in large-scale shocks in the solar nebula.
Morris, M. A., Weidenschilling, S. J. and Desch, S. J. Meteoritics & Planetary Science. doi: 10.1111/maps.12631 LINK updated (14 March): PDF (open access) “Chondrules represent one of the best probes of the physical conditions and…
Effects of dust enrichment on oxygen fugacity of cosmic gases.
Fedkin, A. V. and Grossman, L. Meteoritics & Planetary Science. doi: 10.1111/maps.12627 LINK “The degree to which dust enrichment enhances the oxygen fugacity (fO2) of a system otherwise solar in composition depends on the dust…
Origin of uranium isotope variations in early solar nebula condensates
By François L. H. Tissot, Nicolas Dauphas, Lawrence Grossman Science Advances 04 Mar 2016: Vol. 2, no. 3, e1501400 DOI: 10.1126/sciadv.1501400 PDF (open access) abstract Supplementary Materials (PDF) “High-temperature condensates found in meteorites display uranium…
Mesoscale Modeling of Impact Compaction of Primitive Solar System Solids
Thomas M Davison, Gareth S Collins, Philip A Bland Accepted for publication in ApJ (Submitted on 1 Mar 2016) PDF (open access) abstract “We have developed a method for simulating the mesoscale compaction of early…
Forming Chondrites in a Solar Nebula with Magnetically Induced Turbulence
Yasuhiro Hasegawa, Neal J. Turner, Joseph Masiero, Shigeru Wakita, Yuji Matsumoto, Shoichi Oshino Updated (16 March 2016): abstract Yasuhiro Hasegawa et al 2016 ApJ 820 L12 PDF (open access) abstract “Chondritic meteorites provide valuable opportunities…
Tungsten isotopic constraints on the age and origin of chondrules
Gerrit Budde, Thorsten Kleine, Thomas S. Kruijer, Christoph Burkhardt, and Knut Metzler PNAS2016 ; published ahead of print February 29, 2016, doi:10.1073/pnas.1524980113 LINK “Significance The origin of chondrules—millimeter-sized silicate-rich spherules that dominate the most primitive…
Revisiting the lifetime estimate of large presolar grains in the interstellar medium
Hiroyuki Hirashita, Takaya Nozawa, Ryosuke S. Asano, Typhoon Lee Planetary and Space Science In Press, Accepted Manuscript, Available online 22 February 2016 doi:10.1016/j.pss.2016.02.006 updated (Feb. 24) PDF (OPEN ACCESS) LINK “Some very large View the…
Oxygen isotopes in the early protoplanetary disk inferred from pyroxene in a classical type B CAI
Jérôme Aléon Earth and Planetary Science Letters Volume 440, 15 April 2016, Pages 62–70 doi:10.1016/j.epsl.2016.02.007 LINK “A major unanswered question in solar system formation is the origin of the oxygen isotopic dichotomy between the Sun…
Correlations and zoning patterns of phosphorus and chromium in olivine from H chondrites and the LL chondrite Semarkona
McCanta, M. C., Beckett, J. R. and Stolper, E. M. Meteoritics & Planetary Science. doi: 10.1111/maps.12604 LINK “Phosphorus zoning is observed in olivines in high-FeO (type IIA) chondrules in H chondrites over the entire range…
Planetary Embryo Bow Shocks as a Mechanism for Chondrule Formation
Christopher R. Mann, Aaron C. Boley, and Melissa A. Morris The Astrophysical Journal 2016 ApJ 818 103 Published 2016 February 11 LINK update (18 May 2016): PDF (open access) “We use radiation hydrodynamics with direct…
Mineralogy of Presolar Silicate and Oxide Grains of Diverse Stellar Origins
Ann N. Nguyen, Lindsay P. Keller, and Scott Messenger Astrophysical Journal, Volume 818, Number 1 LINK “We report the chemical and structural analysis of nine presolar silicate grains and one presolar oxide grain from the…
Meteorite Hills (MET) 00526: An Unequilibrated Ordinary Chondrite with High Presolar Grain Abundances
C. Floss, P. Haenecour 47th Lunar and Planetary Science Conference (2016), Abstract #1030 PDF
A CAI in the Highly Unequilibrated Ordinary Chondrite Northwest Africa 8276: Implications for CAI Formation and Processing
S. S. Russell, S. Itoh, T. Salge, Y. Higashi, N. Kawasaki, N. Sakamoto 47th Lunar and Planetary Science Conference (2016), Abstract #1989 PDF
CAIs in Semarkona (LL3.0)
R. K. Mishra, J. I. Simon, D. K. Ross, K. K. Marhas 47th Lunar and Planetary Science Conference (2016), Abstract #2750 PDF
Redistribution of Alkaline Elements in Chondrules of the Sayama (CM2) Meteorite: Possible Alteration Effect in Association with Aqueous Activity in the Early Solar System
H. Hidaka, T. Higuchi, S. Yoneda 47th Lunar and Planetary Science Conference (2016), Abstract #1782 PDF
Mobility of Iron and Nickel at Low Temperatures: Implications for 60Fe-60Ni Systematics of Chondrules from Unequilibrated Ordinary Chondrites
Myriam Telus, Gary R. Huss, Ryan C. Ogliore, Kazuhide Nagashima, Daryl L. Howard, Matthew G. Newville, Andrew G. Tomkins Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 February 2016 doi:10.1016/j.gca.2015.11.046 LINK “The…
Chronological study of oxygen isotope composition for the solar protoplanetary disk recorded in a fluffy Type A CAI from Vigarano
Noriyuki Kawasaki, Shoichi Itoh, Naoya Sakamoto, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 January 2016 doi:10.1016/j.gca.2015.12.031 LINK “Fluffy Type A Ca-Al-rich inclusions (CAIs) containing reversely zoned melilite crystals are…
I-Xe systematics of the impact plume produced chondrules from the CB carbonaceous chondrites: Implications for the half-life value of 129I and absolute age normalization of 129I-129Xe chronometer
O. Pravdivtseva, A. Meshik, C.M. Hohenberg, A.N. Krot Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 January 2016 doi:10.1016/j.gca.2016.01.012 LINK “It is inferred that magnesian non-porphyritic chondrules in the CB (Bencubbin-type) carbonaceous…
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…
Chemistry and oxygen isotopic composition of cluster chondrite clasts and their components in LL3 chondrites
Metzler, K. and Pack, A. Meteoritics & Planetary Science doi: 10.1111/maps.12592 Article first published online: 25 JAN 2016 LINK “Cluster chondrites are characterized by close-fit textures of deformed and indented chondrules, taken as evidence for…
Abundance of 60Fe inferred from nanoSIMS study of QUE 97008 (L3.05) chondrules
Ritesh Kumar Mishra, Kuljeet Kaur Marhas, Sameer Earth and Planetary Science Letters, Volume 436 Available online 11 January 2016 LINK “60Fe–60Ni relative chronometry (t1/2=2.62 Mat1/2=2.62 Ma) studies within silicate phases of two chondrules (Ch1b, Ch5)…
Microchondrules in three unequilibrated ordinary chondrites
Bigolski, J. N., Weisberg, M. K., Connolly, H. C. and Ebel, D. S. Meteoritics & Planetary Science. doi: 10.1111/maps.12585 Article first published online: 8 JAN 2016 LINK “We report on a suite of microchondrules from…
Xenon and iodine reveal multiple distinct exotic xenon components in Efremovka “nanodiamonds”
J.D. Gilmour, G. Holland, A.B. Verchovsky, A.V. Fisenko, S.A. Crowther, G. Turner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 31 December 2015 doi:10.1016/j.gca.2015.12.028 LINK
Petrology, mineralogy, and oxygen isotope compositions of aluminum-rich chondrules from CV3 chondrites
Wang, Y., Hsu, W., Li, X., Li, Q., Liu, Y. and Tang, G. Meteoritics & Planetary Science. doi: 10.1111/maps.12590 Article first published online: 18 DEC 2015 DOI: 10.1111/maps.12590 LINK “Bulk major element composition, petrography, mineralogy,…
A New Mechanism for Chondrule Formation: Radiative Heating by Hot Planetesimals
William Herbst, James P. Greenwood Accepted Nov. 16, 2015 for publication as a Research Note in Icarus PDF (full text) abstract updated on December 10: LINK “We propose that chondrules are formed by radiative heating…
Ancient stardust in fine-grained chondrule dust rims from carbonaceous chondrites
Jan Leitner, Christian Vollmer, Christine Floss, Jutta Zipfel, Peter Hoppe Earth and Planetary Science Letters In Press, Corrected Proof, Available online 3 December 2015 doi:10.1016/j.epsl.2015.11.028 LINK “Carbonaceous chondrites are fragments from primitive parent asteroids, which…
Uranium isotopic composition and absolute ages of Allende chondrules
Brennecka, G. A., Budde, G. and Kleine, T. (2015), Meteoritics & Planetary Science. doi: 10.1111/maps.12567 LINK “A handful of events, such as the condensation of refractory inclusions and the formation of chondrules, represent important stages…
Chondrule Formation via Impact Jetting Triggered by Planetary Accretion
Yasuhiro Hasegawa, Shigeru Wakita, Yuji Matsumoto, Shoichi Oshino accepted for publication in ApJ PDF (full text) abstract Update (Dec 21): LINK “Chondrules are one of the most primitive elements that can serve as a fundamental…
Microstructural evidence for a disequilibrium condensation origin for hibonite-spinel inclusions in the ALHA77307 CO3.0 chondrite
Han, J., Brearley, A. J. and Keller, L. P. Meteoritics & Planetary Science. doi: 10.1111/maps.12563 LINK “Two hibonite-spinel inclusions (CAIs 03 and 08) in the ALHA77307 CO3.0 chondrite have been characterized in detail using the…
The conditions of chondrule formation, Part II: Open system
Pia Friend, Dominik C. Hezel, Daniel Mucerschi Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 3 November 2015 doi:10.1016/j.gca.2015.10.026 LINK Refers to: Dominik C. Hezel, Herbert Palme The conditions of chondrule formation, Part…
Formation timescales of CV chondrites from component specific Hf–W systematics
Maike Becker, Dominik C. Hezel, Toni Schulz, Bo-Magnus Elfers, Carsten Münker Earth and Planetary Science Letters In Press, Corrected Proof, Available online 19 October 2015 doi:10.1016/j.epsl.2015.09.049 LINK “Carbonaceous chondrites are an important meteorite group that…
Probing the Physical Conditions of Supernova Ejecta with the Measured Sizes of Presolar Al2O3 Grains
Takaya Nozawa, Shigeru Wakita, Yasuhiro Hasegawa, and Takashi Kozasa The Astrophysical Journal Letters Number 2, 2015 October 1 (L15-L39) 2015 ApJ811 L39 Published 2015 September 30 LINK “A few particles of presolar Al2O3 grains with…
s-Process Os isotope enrichment in ureilites by planetary processing
S. Goderis, A.D. Brandon, B. Mayer, M. Humayun Earth and Planetary Science Letters Volume 431, 1 December 2015, Pages 110–118 doi:10.1016/j.epsl.2015.09.021 LINK “Ubiquitous nucleosynthetic isotope anomalies relative to the terrestrial isotopic composition in Mo, Ru,…
GEMS-like material in the matrix of the Paris meteorite and the early stages of alteration of CM chondrites
H. Leroux, P. Cuvillier, B. Zanda, R.H. Hewins Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 September 2015 doi:10.1016/j.gca.2015.09.019 LINK “The Paris meteorite is a weakly altered CM chondrite that has been…
A systematic for oxygen isotopic variation in meteoritic chondrules
Yves Marrocchi, Marc Chaussidon Earth and Planetary Science Letters Volume 430, 15 November 2015, Pages 308–315 Received 30 May 2015, Revised 22 August 2015, Accepted 24 August 2015, Available online 2 September 2015 doi:10.1016/j.epsl.2015.08.032 LINK
R Coronae Borealis Stars Are Viable Factories of Pre-solar Grains
Amanda I. Karakas, Ashley J. Ruiter, and Melanie Hampel The Astrophysical Journal Volume 809, Number 2 ApJ 809 184. doi:10.1088/0004-637X/809/2/184 LINK
A compound Ca-, Al-rich inclusion from CV3 chondrite Northwest Africa 3118: Implications for understanding processes during CAI formation.
Ivanova, M. A., Lorenz, C. A., Krot, A. N. and MacPherson, G. J. Meteoritics & Planetary Science. doi: 10.1111/maps.12489 LINK
26Al-26Mg chronology and oxygen isotope distributions of multiple melting for a Type C CAI from Allende
Noriyuki Kawasaki, Chizu Kato, Shoichi Itoh, Shigeyuki Wakaki, Motoo Ito, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 August 2015 LINK
Inferred Initial 26Al/27Al Ratios in Presolar Stardust Grains from Supernovae are Higher than Previously Estimated
Evan Groopman, Ernst Zinner, Sachiko Amari, Frank Gyngard, Peter Hoppe, Manavi Jadhav, Yangting Lin, Yuchen Xu, Kuljeet Marhas, and Larry R. Nittler The Astrophysical Journal Volume 809 Number 1 Evan Groopman et al. 2015 ApJ…
Fe-Mg interdiffusion profiles in rimmed forsterite grains in the Allende matrix: Time–temperature constraints for the parent body metamorphism.
Cuvillier, P., Leroux, H., Jacob, D. and Hirel, P. Meteoritics & Planetary Science. doi: 10.1111/maps.12493 LINK
The formation conditions of enstatite chondrites: Insights from trace element geochemistry of olivine-bearing chondrules in Sahara 97096 (EH3)
Jacquet, E., Alard, O. and Gounelle, M. Meteoritics & Planetary Science. doi: 10.1111/maps.12481 LINK Update (Jun 2,2016): PDF
Survival of refractory presolar grain analogs during Stardust-like impact into Al foils: Implications for Wild 2 presolar grain abundances and study of the cometary fine fraction
Croat, T. K., Floss, C., Haas, B. A., Burchell, M. J. and Kearsley, A. T. Meteoritics & Planetary Science. doi: 10.1111/maps.12474 LINK
An American on Paris: Extent of aqueous alteration of a CM chondrite and the petrography of its refractory and amoeboid olivine inclusions
Rubin, A. E. (2015) Meteoritics & Planetary Science. doi: 10.1111/maps.12482 LINK
Chondrule transport in Protoplanetary Disks
Aaron Z. Goldberg, James E. Owen, Emmanuel Jacquet Accepted to MNRAS last revised 1 May 2016 (this version, v2)) PDF (full text) abstract
New Constraints on the Abundances of Silicate and Oxide Stardust from Supernovae in the Acfer 094 Meteorite
Peter Hoppe, Jan Leitner, and János Kodolányi ApJ 808 L9. doi:10.1088/2041-8205/808/1/L9 LINK
Iron isotopic measurements in presolar silicate and oxide grains from the Acfer 094 ungrouped carbonaceous chondrite
Wei Jia Ong and Christine Floss Meteoritics & Planetary Science doi: 10.1111/maps.12475 LINK
Nonporphyritic chondrules and chondrule fragments in enstatite chondrites: Insights into their origin and secondary processing
Varela, M. E., Sylvester, P., Brandstätter, F. and Engler, A. Meteoritics & Planetary Science. doi: 10.1111/maps.12468 LINK
Intrinsic W nucleosynthetic isotope variations in carbonaceous chondrites: Implications for W nucleosynthesis and nebular vs. parent body processing of presolar materials
Christoph Burkhardt, Maria Schönbächler Icarus In Press, Accepted Manuscript, Available online 20 June 2015 LINK
Possible melting produced chondrule destruction in NWA 6604 CK4 chondrite
Kereszturi, A., Ormandi, S. and Jozsa, S. Meteoritics & Planetary Science. doi: 10.1111/maps.12458 LINK
Pb-Pb dating of individual chondrules from the CBa chondrite Gujba: Assessment of the impact plume formation model
Bollard, J., Connelly, J. N. and Bizzarro, M. Meteoritics & Planetary Science. doi: 10.1111/maps.12461 LINK
Cosmic-Ray Exposure Ages of Chondrules
Roth A. S. G. * Metzler K. Hofmann B. Baumgartner L. P. Leya I. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5224 abstract (PDF)
The Closely Linked Timing of Chondrule and Chondrite Formation
Alexander C. M. O’D. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5369 abstract (PDF)
Why Do U-Pb Ages of Chondrules and CAIs Have More Spread than Their 26 Al Ages?
Kita N. T. * Tenner T. J. Ushikubo T. Bouvier A. Wadhwa M. Bullock E. S. MacPherson G. J. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5360 abstract (PDF)
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)
Cosmogenic Production Rates in Presolar SiC Grains
Trappitsch R. * Leya I. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5068 abstract (PDF)
The Presolar Grain Inventory of CM Chondrites
Leitner J. * Hoppe P. Metzler K. Haenecour P. Floss C. Vollmer C. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5178 abstract (PDF)
More Evidence of the Importance of Amorphous Silicates in CM Carbonaceous Chondrites: New Observations from a Fine-Grained Rim in the CM2 Chondrite, TIL 91722
Brearley A. J., Le Guillou C. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5192 abstract (PDF)
Overgrowth Layers on Olivine Phenocrysts in High-FeO Semarkona Chondrules Revealed by P, Fe, and Cr X-Ray Maps: Evidence for Multiple Melting of Chondrules
Rubin A. E. * Baecker B. Wasson J. T. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5033 abstract (PDF)
Overgrowth Layers on Pyroxene in an FeO-Rich Porphyritic Chondrule in CO3.0 Y-81020
Baecker B. Rubin A. E. Wasson J. T. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5082 abstract (PDF)
Many Chondrule Melting Events; Multiple Overgrowths in Chondrules and Recycled Grains; Lightning as Heat Source
Wasson J. T. Baecker B. Rubin A. E. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5145 abstract (PDF)
Coordinated Chemical and Isotopic Imaging of the Bells (CM2) Meteorite
Clemett S. J., Messenger S., Nakamura-Messenger K., Thomas-Keprta K. L. 78th Annual Meeting of the Meteoritical Society (2015) Berkeley, USA July 27-31 2015 PDF (abstract)
