Silica‐rich objects in the Acfer 182 CH chondrite: A new view
Maria Eugenia Varela Meteoritics & Planetary ScienceVersion of Record online:30 June 2020 LINK “Five silica‐rich objects (SRO) from Acfer 182 were studied. They have cryptocrystalline textures characterized by micro‐emulsion and amoeboid patterns that point toward…
Amorphous silicates as a record of solar nebular and parent body processes—A transmission electron microscope study of fine‐grained rims and matrix in three Antarctic CR chondritesOPEN ACCESS
Christian Vollmer, Mandy Pelka, Jan Leitner, Arne Janssen Meteoritics & Planetary ScienceVersion of Record online:22 June 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Renazzo‐type (CR) carbonaceous chondrites belong to one of the most pristine meteorite groups…
Advances in Cosmochemistry Enabled by Antarctic MeteoritesOPEN ACCESS
Meenakshi Wadhwa, Timothy J. McCoy, and Devin L. Schrader Annual Review of Earth and Planetary Sciences Vol. 48:233-258 (Volume publication date May 2020)First published as a Review in Advance on January 8, 2020 LINK (OPEN…
Outward migration of chondrule fragments in the Early Solar System: O-isotopic evidence for rocky material crossing the Jupiter Gap?
Devin L. Schrader, Kazuhide Nagashima, Jemma Davidson, Timothy J. McCoy, Ryan C. Ogliore, Roger R. Fu Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 May 2020 LINK “Determining the origins of chondrule precursors…
Molecular evolution during hydrothermal reactions from formaldehyde and ammonia simulating aqueous alteration in meteorite parent bodies
Yoko Kebukawa, Satoru Nakashima, Hajime Mita, Yasuji Muramatsu, Kensei Kobayashi IcarusIn Press, Journal Pre-proof, Available online 3 May 2020 LINK “Highlights • Using an in-situ heatable liquid cell, we followed reaction kinetics simulating aqueous alteration…
Weak Magnetic Fields in the Outer Solar Nebula Recorded in CR Chondrites
Roger R. Fu, Pauli Kehayias, Benjamin P. Weiss, Devin L. Schrader, Xue‐Ning Bai, Jacob B. Simon JGR PlanetsVolume 125, 5 May 2020 LINK ” – Paleomagnetic measurements of carbonaceous chondrites can provide important constraints on…
The Renazzo-like carbonaceous chondrites as resources to understand the origin, evolution, and exploration of the Solar System
N.M. Abreu, J.C. Aponte, E.A. Cloutis, A.N. Nguyen GeochemistryIn Press, Journal Pre-proof, Available online 27 April 2020 LINK “We present here a review of the characteristics of CR carbonaceous chondrite meteorites. Over the past three…
Alkali magmatism on a carbonaceous chondrite planetesimal
Jérôme Aléon, Alice Aléon-Toppani, Bernard Platevoet, Jacques-Marie Bardintzeff, Kevin D. McKeegan, and François Brisset PNAS, first published March 30, 2020 LINK “Recent isotopic and paleomagnetic data point to a possible connection between carbonaceous chondrites and…
Potassium Isotope Compositions of Carbonaceous and Ordinary Chondrites: Implications on the Origin of Volatile Depletion in the Early Solar SystemOPEN ACCESS
Hannah Bloom, Katharina Lodders, Heng Chen, Chen Zhao,Zhen Tian, Piers Koefoed, Mária K.Pető, Yun Jiang, Kun Wang (王昆) Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 23 March 2020 PDF (OPEN ACCESS) LINK…
Observations, meteorites, and models: A pre‐flight assessment of the composition and formation of (16) Psyche
L.T. Elkins‐Tanton, E. Asphaug, J. F. Bell III, H. Bercovici, B. Bills, R. Binzel, W. F. Bottke, S. Dibb, D. J. Lawrence, S. Marchi, T. J. McCoy, R. Oran, R. S. Park, P. N. Peplowski,…
Unique angrite-like fragments in a CH3 chondrite reveal a new basaltic planetesimal
Ai-Cheng Zhang, Noriyuki Kawasaki, Minami Kuroda, Yang Li, Hua-Pei Wang, Xue-Ning Bai, Naoya Sakamoto, Qing-Zhu Yin, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 19 February 2020 LINK “Most meteorites are…
Altered primary iron sulfides in CM2 and CR2 carbonaceous chondrites: Insights into parent body processes
S. A. Singerling, A. J. Brearley Meteoritics & Planetary Science First Published: 13 February 2020 LINK “The presence of primary iron sulfides that appear to be aqueously altered in CM and CR carbonaceous chondrites provides…
Episodic formation of refractory inclusions in the Solar System and their presolar heritageOPEN ACCESS
K.K. Larsen, D. Wielandt, M. Schiller, A.N. Krot, M. Bizzarro Earth and Planetary Science Letters Volume 535, 1 April 2020, 116088 LINK (OPEN ACCESS) PDF (download) “Highlights • Mg isotopes show multiple populations of refractory…
Hydrogen isotopic composition of CI- and CM-like clasts from meteorite breccias – sampling unknown sources of carbonaceous chondrite materials
Markus Patzek, Peter Hoppe, Addi Bischoff, Robbin Visser, Timm John Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 23 December 2019 LINK “Volatile-rich, CI- and CM-like clasts occur in different brecciated achondrite and…
Organics preserved in anhydrous interplanetary dust particles: Pristine or not?OPEN ACCESS
Queenie H. S. Chan, Ian A. Franchi, Xuchao Zhao, Alice Stephant, Ian P. Wright, Conel M. O’D. Alexander Meteoritics & Planetary Science First Published: 19 November 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The chondritic‐porous…
Extraterrestrial ribose and other sugars in primitive meteoritesOPEN ACCESS
Yoshihiro Furukawa, Yoshito Chikaraishi, Naohiko Ohkouchi, Nanako O. Ogawa, Daniel P. Glavin, Jason P. Dworkin, Chiaki Abe, and Tomoki Nakamura PNAS December 3, 2019 116 (49) 24440-24445; first published November 18, 2019 LINK (OPEN ACCESS)…
Origin of the Short-lived Radionuclide 10Be and Its Implications for the Astronomical Setting of CAI Formation in the Solar Protoplanetary Disk
Kohei Fukuda, Hajime Hiyagon, Wataru Fujiya, Naoto Takahata, Takanori Kagoshima, and Yuji Sano The Astrophysical Journal, Volume 886, Number 1 Published 2019 November 15 LINK “We report Li–Be–B and Al–Mg isotopic compositions of Ca-Al-rich inclusions…
Isotopic compositions, nitrogen functional chemistry, and low‐loss electron spectroscopy of complex organic aggregates at the nanometer scale in the carbonaceous chondrite RenazzoOPEN ACCESS
Christian Vollmer, Jan Leitner, Demie Kepaptsoglou, Quentin M. Ramasse, Henner Busemann, Peter Hoppe Meteoritics & Planetary Science First published: 10 October 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Organic matter (OM) was widespread in the…
A unifying model for the accretion of chondrules and matrixOPEN ACCESS
Elishevah M. M. E. van Kooten, Frédéric Moynier, Arnaud Agranier PNAS first published September 4, 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) Supporting Information (PDF) “The so far unique role of our Solar System in…
MINERALOGY, PETROGRAPHY, AND OXYGEN ISOTOPIC COMPOSITIONS OF ULTRAREFRACTORY INCLUSIONS FROM CARBONACEOUS CHONDRITES
A.N. Krot, C. Ma, K. Nagashima, A.M. Davis, J.R. Beckett, S.B. Simon, M. Komatsu, T.J. Fagan, F. Brenker, M.A. Ivanova, A.Bischoff Geochemistry Available online 15 August 2019 LINK “We report on the mineralogy, petrography, and…
MINERALOGY, PETROGRAPHY, AND OXYGEN AND ALUMINUM-MAGNESIUM ISOTOPE SYSTEMATICS OF GROSSITE-BEARING REFRACTORY INCLUSIONS
Alexander N. Krot, Kazuhide Nagashima, Steven B. Simon, Chi Ma, Harold C. Connolly Jr., Gary R. Huss, Andrew M. Davis, Martin Bizzarro Geochemistry Available online 15 August 2019 LINK “Grossite (CaAl4O7) is one of the…
Extended chondrule formation intervals in distinct physicochemical environments: Evidence from Al-Mg isotope systematics of CR chondrite chondrules with unaltered plagioclase
Travis J. Tenner, Daisuke Nakashima, Takayuki Ushikubo, Naotaka Tomioka, Makoto Kimura, Michael K. Weisberg, Noriko T.Kita Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 22 June 2019 LINK “Al-Mg isotope systematics of twelve…
Are hypervelocity impacts able to produce chondrule-like ejecta?
Clément Ganino, Guy Libourel, Akiko M. Nakamura, Patrick Michel Planetary and Space Science In Press, Accepted Manuscript, Available online 19 June 2019 LINK “Highlights • Silicate ejecta formed in impact experiment have several similarities with…
Lewis Cliff 86211 and 86498: Metal-Sulfide Liquid Segregates from a Carbonaceous Chondrite Impact Melt
Nicole G. Lunning, Timothy J. Mccoy, Devin L. Schrader, Kazu Nagashima, … Alfred Kracher Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 5 June 2019 LINK “The petrogenesis of the ungrouped iron meteorite…
3-μm reflectance spectroscopy of carbonaceous chondrites under asteroid-like conditions
Driss Takir, Karen R. Stockstill-Cahill, Charles A. Hibbitts, Yusuke Nakauchi Icarus In Press, Accepted Manuscript, Available online 20 May 2019 LINK “Highlights • We present the most comprehensive 3-μm dataset of carbonaceous chondrites ever acquired…
Bulk trace elements of Mg-rich cryptocrystalline and ferrous radiating pyroxene chondrules from Acfer 182: Their evolution paths
Maria Eugenia Varela Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 May 2019 LINK “A trace element study of Mg-rich cryptocrystalline (CC) and ferrous radiating pyroxene (RP) chondrules, covering from the ultra-refractory…
3-micron Reflectance Spectroscopy of Carbonaceous Chondrites under Asteroid-like ConditionsOPEN ACCESS
Driss Takir, Karen R. Stockstill-Cahill, Charles A. Hibbitts, Yusuke Nakauchi PDF (OPEN ACCESS) “We measured 3-μm reflectance spectraof 21 meteorites that represent all carbonaceous chondrite types available in terrestrial meteorite collections. The measurements were conducted…
A cometary building block in a primitive asteroidal meteorite
Larry R. Nittler, Rhonda M. Stroud, Josep M. Trigo-Rodríguez, Bradley T. De Gregorio, Conel M. O’D. Alexander, Jemma Davidson, Carles E. Moyano-Cambero & Safoura Tanbakouei Nature Astronomy (2019) Published: 15 April 2019 LINK “Meteorites originating…
Quantitative models for the elemental and isotopic fractionations in chondrites: The carbonaceous chondrites
Conel M. O’D. Alexander Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 February 2019 LINK “A quantitative understanding of the elemental and isotopic fractionations recorded in the compositions of the chondritic meteorites…
Aqueous Alteration of Enstatite Chondrite Material in the Kaidun Meteorite
K. Higashi, T. Mikouchi, M. E. Zolensky 50th Lunar and Planetary Science Conference (2019), Abstract #2344 PDF abstract
Oxygen and Hydrogen Isotopic Evidence for the Existence of Several C1 Parent Bodies in the Early Solar System
M. Patzek, A. Bischoff, P. Hoppe, A. Pack, R. Visser, T. John 50th Lunar and Planetary Science Conference (2019), Abstract #1779 PDF abstract
Origin of metal from CB chondrites in an impact plume – A combined study of Fe and Ni isotope composition and trace element abundances
M. Weyrauch, J. Zipfel, S. Weyer Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 November 2018 LINK “The formation processes of the unusually metal-rich CB chondrites are a matter of debate. It…
Siderophile Element Constraints on the Thermal History of the H Chondrite Parent body
G.J. Archer, R.J. Walker, J. Tino, T. Blackburn, T.S.Kruijer, J.L. Hellmann Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 20 November 2018 LINK “The abundances of highly siderophile elements (HSE: Re, Os, Ir,…
Molecular distribution, 13C‐isotope, and enantiomeric compositions of carbonaceous chondrite monocarboxylic acids
José C. Aponte, Hannah K. Woodward, Neyda M. Abreu, Jamie E. Elsila, Jason P. Dworkin Meteoritics & Planetary Science First Published: 12 November 2018 LINK “The water‐soluble organic compounds in carbonaceous chondrite meteorites constitute a…
Spectral Characterization of Analog Samples in Anticipation of OSIRIS-REx’s Arrival at Bennu: A Blind Test Study
K.L. Donaldson Hanna, D.L. Schrader, E.A. Cloutis, G.D. Cody, A.J. King, T.J. McCoy, D.M. Applin, J.P. Mann, N.E. Bowles, J.R. Brucato, H.C. Connolly Jr., E. Dotto, L.P. Keller, L.F. Lim, B.E. Clark, V.E. Hamilton, C….
Carbonaceous Achondrites Northwest Africa 6704/6693: Milestones for Early Solar System Chronology and Genealogy
Matthew E. Sanborn, Josh Wimpenny, Curtis D. Williams, Akane Yamakawa, Yuri Amelin, Anthony J.Irving, Qing-Zhu Yin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 14 October 2018 LINK “Northwest Africa (NWA) 6704/6693 are…
Meteoritic Abundances of Fatty Acids and Potential Reaction Pathways in PlanetesimalsOPEN ACCESS
James C.-Y. Lai, Ben K. D. Pearce, Ralph E. Pudritz, Drake Lee accepted for publication in Icarus PDF (OPEN ACCESS) “The origin of fatty acids on the prebiotic Earth is important as they likely formed…
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…
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…
Mineralogy of volatile‐rich clasts in brecciated meteorites
M. Patzek, A. Bischoff, R. Visser, T. John Meteoritics & Planetary Science First published: 18 July 2018 LINK “Meteoritic breccias are valuable samples as they can contain rare materials from the early solar system as…
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…
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…
O-Isotope Composition of CI- and CM-Like Clasts in Ureilites, HEDs, and CR Chondrites
Patzek M. *, Pack A., Bischoff A., Visser R., John T. 81st Annual Meeting of The Meteoritical Society 2018 [#6254] abstract “Oxygen isotopes of CM-like clasts from HEDs links them to CM chondrites. However, CI-like…
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…
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,…
Early Solar System Dynamics Inferred from Molybdenum Isotope Anomalies in Meteorites
G. Budde, C. Burkhardt, T. Kleine 49th Lunar and Planetary Science Conference (2018), Abstract #2353 PDF
Hydrothermal evolution of the morphology, molecular composition, and distribution of organic matter in CR (Renazzo-type) chondrites
Changela, H. G., Le Guillou, C., Bernard, S. and Brearley, A. J. Meteoritics & Planetary Science. doi: 10.1111/maps.13045 LINK “The morphology, molecular composition, and distribution of organic matter (OM) were investigated in a suite of…
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…
Origin and abundance of water in carbonaceous asteroids
Yves Marrocchi, David V. Bekaert, Laurette Piani Earth and Planetary Science Letters, Volume 482, 15 January 2018, Pages 23-32 LINK Highlights • Bulk, matrix and fayalite grains of CV chondrites define a continuous trend. •…
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…
LOW-TEMPERATURE AQUEOUS ALTERATION ON THE CR CHONDRITE PARENT BODY: IMPLICATIONS FROM IN SITU OXYGEN-ISOTOPE ANALYSES
Christine E. Jilly-Rehak, Gary R. Huss, Kazu Nagashima, Devin L. Schrader Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 19 October 2017 LINK “The presence of hydrated minerals in chondrites indicates that water…
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…
A history of violence: insights into post-accretionary heating in carbonaceous chondrites from volatile element abundances, Zn isotopes, and water contentsOPEN ACCESS
Brandon Mahan, Frédéric Moynier, Pierre Beck, Emily A. Pringle, Julien Siebert Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 20 September 2017 Update (19 October 2017): PDF (OPEN ACCESS) LINK “Carbonaceous chondrites (CCs)…
Cosmic-ray exposure ages of six chondritic Almahata Sitta fragments
Riebe, M. E. I., Welten, K. C., Meier, M. M. M., Wieler, R., Barth, M. I. F., Ward, D., Laubenstein, M., Bischoff, A., Caffee, M. W., Nishiizumi, K. and Busemann, H. Meteoritics & Planetary Science….
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…
Similarities in Element Content between Comet 67P/Churyumov-Gerasimenko Coma Dust and Selected Meteorite Samples
Oliver J. Stenzel, Martin Hilchenbach, Sihane Merouane, John Paquette, Kurt Varmuza, Cécile Engrand, Franz Brandstätter, Christian Koeberl, Ludovic Ferrière, Peter Filzmoser Mon Not R Astron Soc doi.org/10.1093/mnras/stx1908 LINK “We have analyzed the element composition and…
Compositions and microstructures of CB sulfides: Implications for the thermal history of the CB chondrite parent body
Srinivasan, P., Jones, R. H. and Brearley, A. J. Meteoritics & Planetary Science. doi: 10.1111/maps.12921 LINK “We studied textures and compositions of sulfide inclusions in unzoned Fe,Ni metal particles within CBa Gujba, CBa Weatherford, CBb…
Magnetite in Comet Wild 2: Evidence for parent body aqueous alterationOPEN ACCESS
Hicks, L. J., Macarthur, J. L., Bridges, J. C., Price, M. C., Wickham-Eade, J. E., Burchell, M. J., Hansford, G. M., Butterworth, A. L., Gurman, S. J., Baker, S. H. Meteorit Planet Sci. doi:10.1111/maps.12909 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…
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…
Comparative Microanalytical Study of Solid Organic Material in the CR2 Grove Mountain 021710 and the Ungrouped Carbonaceous Chondrite Ningqiang
Changela H. G. * Zhao X. Miao B. Xia Z. Lin Y. 80th Annual Meeting of the Meteoritical Society 2017 [#6212] abstract (PDF) “Organic material has been characterized in situ using traditional polished thin sections…
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…
Insights into Parent Body Alteration from the Distribution of Water and Hydroxyl in Carbonaceous Chondrites
Hamilton V. E. * Abreu N. M. Connolly H. C. Jr. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6263] “We are using µ-FTIR to characterize the spatial distribution of water and hydroxyl…
D/H diffusion in serpentine
Hélène Pilorge, Bruno Reynard, Laurent Remusat, Sylvie Le Floch, Gilles Montagnac, Hervé Cardon Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Interactions between aqueous fluids and ultrabasic rocks are…
The Bulk Valence State of Fe and the Origin of Water in Chondrites
S. Sutton, C.M.O’D. Alexander, A. Bryant, A. Lanzirotti, M. Newville, E.A. Cloutis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 19 May 2017 LINK “There is abundant petrologic evidence for the oxidation of…
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…
Sedimentary laminations in the Isheyevo (CH/CBb) carbonaceous chondrite formed by gentle impact-plume sweep-up
Laurence A.J. Garvie, L. Paul Knauth, Melissa A. Morris Icarus In Press, Accepted Manuscript Available online 2 April 2017 LINK see also: Accretional Layers Preserved in a Meteorite Written by Linda M. V. Martel Hawai’i…
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…
Evolution of Morphological and Physical Properties of Laboratory Interstellar Organic Residues with Ultraviolet IrradiationOPEN ACCESS
L. Piani, S. Tachibana, T. Hama, H. Tanaka, Y. Endo, I. Sugawara, L. Dessimoulie, Y. Kimura, A. Miyake, J. Matsuno, A. Tsuchiyama, K. Fujita, S. Nakatsubo, H. Fukushi, S. Mori, T. Chigai, H. Yurimoto, and…
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…
Metallographic Tint Etching Reveals Nickel Zonation Patterns in Meteoritic Metal: Application to the Isheyevo (CH/CBb) Carbonaceous Chondrite
L. A. J. Garvie 48th Lunar and Planetary Science Conference (2017), Abstract #1605 LINK
Hafnium-Tungsten Chronology of CR Chondrites
G. Budde, T. S. Kruijer, T. Kleine 48th Lunar and Planetary Science Conference (2017), Abstract #1886 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
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
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
Brachinite-Like Clast in the Kaidun Meteorite: First Report of Primitive Achondrite Material
Higashi, K.; Hasegawa, H.; Mikouchi, T.; Zolensky, M. E. Conference Paper Lunar and Planetary Science Conference ; 48th; 20-24 Mar. 2017; The Woodlands, TX; United States JSC-CN-38570 Date Acquired: Jan 26, 2017 PDF 48th Lunar…
Asteroid 2008 TC3 Breakup and Meteorite Fractions
Goodrich, C.; Jenniskens, P.; Shaddad, M. H.; Zolensky; M. E.; Fioretti, A. M. JSC-CN-38419, Conference Paper Asteroid Comets and Meteors Conference (ACM 2017); 10-14 Apr. 2017; Montevideo; Uruguay abstract “The recovery of meteorites from the…
The key role of meteorites in the formation of relevant prebiotic molecules in a formamide/water environmentOPEN ACCESS
Luca Rotelli, Josep M. Trigo-Rodríguez, Carles E. Moyano-Cambero, Eleonora Carota, Lorenzo Botta, Ernesto Di Mauro & Raffaele Saladino Scientific Reports 6, Article number: 38888 (2016) doi:10.1038/srep38888 Published online: 13 December 2016 LINK (OPEN ACCESS) PDF…
Timing of the formation and migration of giant planets as constrained by CB chondritesOPEN ACCESS
By Brandon C. Johnson, Kevin J. Walsh, David A. Minton, Alexander N. Krot, Harold F. Levison Science Advances 09 Dec 2016: Vol. 2, no. 12, e1601658 DOI: 10.1126/sciadv.1601658 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The…
High-temperature Rims around Calcium-aluminum-rich Inclusions from the CR, CB and 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 1 October 2016 LINK “We describe the mineralogy, petrology and oxygen isotopic compositions of…
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…
53Mn-53Cr Radiometric Dating of Secondary Carbonates in CR Chondrites: Timescales for Parent Body Aqueous AlterationOPEN ACCESS
Christine E. Jilly-Rehak, Gary R. Huss, Kazuhide Nagashima Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 September 2016 LINK PDF (OPEN ACCESS) “We present 53Mn-53Cr ages of secondary carbonates in Renazzo-like (CR)…
Why is it so difficult to classify Renazzo-type (CR) Carbonaceous Chondrites? – Implications from TEM observations of matrices for the sequences of aqueous alteration
Neyda M. Abreu Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 September 2016 LINK “A number of different classification schemes have been proposed for the CR chondrites; this study aims at reconciling…
Magnesium and 54Cr isotope compositions of carbonaceous chondrite chondrules – insights into early disk processesOPEN ACCESS
Mia B. Olsen, Daniel Wielandt, Martin Schiller, Elishevah M.M.E. Van Kooten, Martin Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 July 2016 LINK “We report on the petrology, magnesium isotopes and…
A plausible link between the asteroid 21 Lutetia and CH carbonaceous chondritesOPEN ACCESS
Carles E. Moyano-Cambero, Josep M. Trigo-Rodríguez, Jordi Llorca, Sonia Fornasier, Maria A. Barucci, Albert Rimola Meteoritics and Planetary Science, manuscript #2225 (2016) PDF (OPEN ACCESS) update (1 August 2016): Meteoritics & Planetary Science. doi: 10.1111/maps.12703…
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…
Aliphatic Amines in Antarctic CR2, CM2, and CM1/2 Carbonaceous Chondrites
José C. Aponte, Hannah L. McLain, Jason P. Dworkin, Jamie E. Elsila Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 June 2016 doi:10.1016/j.gca.2016.06.018 LINK “Meteoritic water-soluble organic compounds provide a unique record…
Relationship Between Asteroid 1 Ceres and Chondrite Meteorites on the Basis of Mineralogy and UV-Visible Spectroscopy
Farsang S. Raub T. D. Grady M. M. 79th Annual Meeting of the Meteoritical Society (2016) #6213 LINK
The Kaidun Breccia Material Variety: New Clasts and Updated Hypothesis on a Space Trawl Origin
Ivanova M. A. * Lorenz C. A. Ma C. Ivanov A. V. 79th Annual Meeting of the Meteoritical Society (2016) #6100 LINK
Mineralogy of iron sulfides in CM1 and CI1 lithologies of the Kaidun breccia: Records of extreme to intense hydrothermal alteration
Harries, D. and Zolensky, M. E. Meteoritics & Planetary Science. doi: 10.1111/maps.12648 LINK “The polymict Kaidun microbreccia contains lithologies of C-type chondrites with euhedral iron sulfide crystals of hydrothermal origin. Our FIB-TEM study reveals that…
Origin of the eclogitic clasts with graphite-bearing and graphite-free lithologies in the Northwest Africa 801 (CR2) chondrite: Possible origin from a Moon-sized planetary body inferred from chemistry, oxygen isotopes and REE abundances
H. Hiyagon, N. Sugiura, N.T. Kita, M. Kimura, Y. Morishita, Y. Takehana Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 April 2016 LINK “In order to clarify the origin of the eclogitic…
Refractory and semi-volatile organics at the surface of comet 67P/Churyumov-Gerasimenko: Insights from the VIRTIS/ROSETTA Imaging Spectrometer
E. Quirico, L.V. Moroz, B. Schmitt, G. Arnold, M. Faure, P. Beck, L. Bonal, M. Ciarniello, F. Capaccioni, G. Filacchione, S. Erard, C. Leyrat, D. Bockelée-Morvan, A. Zinzi, E. Palomba, P. Drossart, F. Tosi, M.T….
Petrography of Quebrada Chimborazo 001 — A New CBa Chondrite
T. E. Koch, F. E. Brenker, A. N. Krot, M. Bizzarro 47th Lunar and Planetary Science Conference (2016), Abstract #1968 PDF
A Space Oddity: A Nanosims Study of a Primitive Ultracarbonaceous Clast and Fine-Grained Matrix in the LaPaz Icefield 02342 CR Chondrite
C. E. Moyano-Cambero, L. R. Nittler, J. M. Trigo-Rodríguez, C. M. O’D. Alexander, J. Davidson, R. M. Stroud 47th Lunar and Planetary Science Conference (2016), Abstract #2537 PDF
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…
Tafassasset has been reclassified as “primitive achondrite”
Writeup from MB 105: Meteoritical Bulletin Database / Writeup from MB 105 “Tafassasset, reclassification Agadez, Niger Find: 2000 Classification: Primitive achondrite History: A comparison of the overall petrography, modal mineralogy, mineral compositions, oxidation state, and…
Thermal recalcitrance of the organic D-rich component of ordinary chondrites
L. Remusat, L. Piani, S. Bernard Earth and Planetary Science Letters, Volume 435 Available online 29 December 2015 doi:10.1016/j.epsl.2015.12.009 LINK “Carbonaceous and ordinary chondrites (CCs and OCs) contain insoluble organic matter (IOM) with large D-excess…
The path of reduced nitrogen toward early earth: the cosmic trail and its solar shortcuts
Sandra Pizzarello and Maitrayee Bose The Astrophysical Journal, Volume 814, Number 2 LINK “Large isotopic anomalies are found in meteoritic insoluble organic materials (IOMs) and, for nitrogen, show 15N-excesses up to ${\delta }^{15}$N ~ 5000‰….
The deuterium/hydrogen distribution in chondritic organic matter attests to early ionizing irradiation
Boris Laurent, Mathieu Roskosz, Laurent Remusat, François Robert, Hugues Leroux, Hervé Vezin, Christophe Depecker, Nicolas Nuns, Jean-Marc Lefebvre Nature Communications 6, Article number: 8567 doi:10.1038/ncomms9567 LINK (full text) “Primitive carbonaceous chondrites contain a large array…
Organic and inorganic correlations for Northwest Africa 852 by synchrotron-based Fourier transform infrared microspectroscopy
Yesiltas, M., Peale, R. E., Unger, M., Sedlmair, J. and Hirschmugl, C. J. Meteoritics & Planetary Science. doi: 10.1111/maps.12498 Article first published online: 21 SEP 2015 LINK “Relationships between organic molecules and inorganic minerals are…
Bidirectional reflectance spectroscopy of carbonaceous chondrites: Implications for water quantification and primary composition
A. Garenne, P. Beck, G. Montes-Hernandez, O. Brissaud, B. Schmitt, E. Quirico, L. Bonal, C. Beck, K.T. Howard Icarus In Press, Accepted Manuscript Received 21 April 2015, Revised 2 September 2015, Accepted 2 September 2015,…
Comment on “Cosmogenic 180W Variations in Meteorites and Re-assessment of a Possible 184Os-180W Decay System” by Cook, D.L., Kruijer, T., Leya, I., Kleine, T
Stefan T.M. Peters, Carsten Münker, Harry Becker, Toni Schulz Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 July 2015 LINK Refers to Cosmogenic 180W Variations in Meteorites and Re-assessment of a Possible…
Nature’s Starships II: Simulating the Synthesis of Amino Acids in Meteorite Parent Bodies
Alyssa K. Cobb, Ralph E. Pudritz, Ben K. D. Pearce Accepted for publication in ApJ arXiv:1506.06740 PDF LINK abstract Carbonaceous chondrite meteorites are known for having high water and organic material contents, including amino acids….
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)
Grain Size Distribution in the Matrix of Primitive Meteorites
Vaccaro E. Wozniakiewicz P. J. Starkey N. A. Franchi I. A. Russell S. S. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5258 abstract (PDF)
Tafassasset: Evidence of early incipient differentiation on a metal-rich chondritic parent body
Thomas Breton, Ghylaine Quitté, Michael J. Toplis, Marc Monnereau, Jean-Louis Birck, Christa Göpel, Cyril Charles Earth and Planetary Science Letters Volume 425, 1 September 2015, Pages 193–203 LINK
Mineralogical anatomy and implications of a Ti-Sc-rich ultrarefractory inclusion from Sayh al Uhaymir 290 CH3 chondrite
Ai-Cheng Zhang, Chi Ma, Naoya Sakamoto, Ru-Cheng Wang, Wei-Biao Hsu, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, available online 6 May 2015 doi:10.1016/j.gca.2015.04.052 LINK
Near-infrared Spectroscopy of 3:1 Kirkwood Gap Asteroids III
Sherry K. Fieber-Beyer, Michael J. Gaffey Icarus In Press, available online 5 May 2015 doi:10.1016/j.icarus.2015.04.034 LINK
Early cosmic ray irradiation of chondrules and prolonged accretion of primitive meteorites
Uta Beyersdorf-Kuis , Ulrich Ott , Mario Trieloff Earth and Planetary Science Letters Volume 423, 1 August 2015, Pages 13–23 doi:10.1016/j.epsl.2015.04.024 LINK
Widespread oxidized and hydrated amorphous silicates in CR chondrites matrices: Implications for alteration conditions and H2 degassing of asteroids
Corentin Le Guillou, Hitesh G. Changela, Adrian J. Brearley Earth and Planetary Science Letters available online 3 April 2015 doi:10.1016/j.epsl.2015.02.031 LINK
Characteristics and origin of the components of the carbonaceous chondrite NWA 470
M. A. Ivanova, M. I. Petaev Petrology March 2015, Volume 23, Issue 2, pp 150-167 <a href=”http://link.springer.com/article/10.1134%2FS0869591115020058″ target=”_blank”><strong>LINK</strong></a>
Morphological Study of Insoluble Organic Matter from Carbonaceous Chondrites: Correlation with Petrologic Grade
Hitesh G. Changela, George D. Cody, Conel M.O’D. Alexander, Z Peeters, Larry R. Nittler, Rhonda M. Stroud Geochimica et Cosmochimica Acta available online 16 February 2015 doi:10.1016/j.gca.2015.02.007
Magnetic Fields in the Late-Stage Solar Nebula Recorded in CR Chondrites
Fu R. R., Weiss B. P., Schrader D. L. PDF LINK
Refractory Inclusions Recycled During Formation of Porphyritic Chondrules from CH Carbonaceous Chondrites
A. N. Krot, K. Nagashima, E. M. M. E. van Kooten, M. Bizzarro 46th Lunar and Planetary Science Conference (2015), Abstract #1596 PDF LINK
Cooling Rates of Type I Chondrules from the Renazzo CR2 Chondrite: Implications for Chondrule Formation
N. Chaumard, M. Humayun, B. Zanda, R. H. Hewins 46th Lunar and Planetary Science Conference (2015), Abstract #1907 PDF LINK
Atypical Amino Acid Structural and Isotopic Compositions in the CR2 Chondrite Miller Range 090001 and the CH3 Chondrite Sayh al Uhaymir 290
A. S. Burton, J. E. Elsila, E. T. Parker, D. P. Glavin, J. P. Dworkin, R. Bartoschewitz 46th Lunar and Planetary Science Conference (2015), Abstract #2242 PDF LINK
Processes Affecting the CR Chondrites Parent Body: Petrology, Mineralogy and Chemical Composition of the Matrices of Antarctic CR Carbonaceous Chondrites
N. M. Abreu 46th Lunar and Planetary Science Conference (2015), Abstract #2561 PDF LINK
Miller Range 090657: A Very Pristine Renazzo-Like (CR) Carbonaceous Chondrite
J. Davidson, C. M. O’D. Alexander, D. L. Schrader, L. R. Nittler, R. Bowden 46th Lunar and Planetary Science Conference (2015), Abstract #1603 PDF LINK
Refractory Inclusions Recycled During Formation of Porphyritic Chondrules from CH Carbonaceous Chondrites
A. N. Krot, K. Nagashima, E. M. M. E. van Kooten, M. Bizzarro 46th Lunar and Planetary Science Conference (2015), Abstract #1596 PDF LINK
Carbonate abundances and isotopic compositions in chondrites
C. M. O’D. Alexander, R. Bowden, M. L. Fogel and K. T. Howard Meteoritics & Planetary Science. doi: 10.1111/maps.12410 LINK We report the bulk C abundances, and C and O isotopic compositions of carbonates in…
The formation and alteration of the Renazzo-like carbonaceous chondrites III: Toward understanding the genesis of ferromagnesian chondrules
Devin L. Schrader, Harold C. Connolly Jr., Dante S. Lauretta, Thomas J. Zega, Jemma Davidson and Kenneth J. Domanik first published online: 22 DEC 2014 | DOI: 10.1111/maps.12402 LINK
New insight into the Solar System’s transition disk phase provided by the unusual meteorite Isheyevo
Melissa A. Morris, Laurence A. J. Garvie, L. Paul Knauth The Astrophysical Journal Letters ApJ 801 L22. doi:10.1088/2041-8205/801/2/L22 Received 4 Dezember 2014, accepted for publication 30 Januar 2015. Published 9 März 2015. PDF LINK (open…
Eclogitic clasts found in NWA 801 CR2 chondrite: Formation of high pressure minerals in deep interior of a Moon-sized planetesimal
Hajime Hiyagon (Univ. Tokyo), Naoji Sugiura (Univ. Tokyo), Noriko Kita (Univ. Wisconsin-Madison), Makoto Kimura (Ibaraki Univ.), Yuichi Morishita (Shizuoka Univ.) and Yoshie Takehana (Univ. Tokyo) PDF LINK
Classification of hydrous meteorites (CR, CM and C2 ungrouped) by phyllosilicate fraction: PSD-XRD modal mineralogy and planetesimal environments
K.T. Howard, C.M.O’D. Alexander, D.L. Schrader, K.A. Dyl DOI: 10.1016/j.gca.2014.10.025 available online 4 November 2014 LINK Here we report the bulk mineralogies and degrees of hydration in 37 different carbonaceous chondrites: Renazzo-like (CR), Mighei-like (CM),…
Fluid-induced organic synthesis in the solar nebula recorded in extraterrestrial dust from meteorites
Vollmer C, Demie Kepaptsoglou D, Leitner J, Busemann H, Spring NH, Ramasse QM, Hoppe P, Nittler LR (2014) Proceedings of the National Academy of Sciences 111, 43, 15338–15343 LINK The direct association of both IDP-like…
