Deoxyribose and deoxysugar derivatives from photoprocessed astrophysical ice analogues and comparison to meteoritesOPEN ACCESS
Michel Nuevo, George Cooper & Scott A. Sandford Nature Communications 9, 1–10 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Sugars and their derivatives are essential to all terrestrial life. Their presence in meteorites, together with amino…
The alteration history of the Jbilet Winselwan CM carbonaceous chondrite: An analog for C‐type asteroid sample returnOPEN ACCESS
A. J. King, S. S. Russell, P. F. Schofield, E. R. Humphreys‐Williams, S. Strekopytov, F. A. J. Abernethy, A. B. Verchovsky, M. M. Grady Meteorit Planet Sci. doi:10.1111/maps.13224 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Jbilet…
An aqueously altered carbon-rich Ceres
S. Marchi, A. Raponi, T. H. Prettyman, M. C. De Sanctis, J. Castillo-Rogez, C. A. Raymond, E. Ammannito, T. Bowling, M. Ciarniello, H. Kaplan, E. Palomba, C. T. Russell, V. Vinogradoff & N. Yamashita Nature…
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…
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…
Northwest Africa 11024—A heated and dehydrated unique carbonaceous (CM) chondrite
Samuel Ebert, Addi Bischoff, Dennis Harries, Sarah Lentfort, Jean‐Alix Barrat, Andreas Pack, Jérôme Gattacceca, Robbin Visser, Peter Schmid‐Beurmann, Stephan Kimpel Meteorit Planet Sci. . doi:10.1111/maps.13212 LINK “Based on the high abundance of fine‐grained material and…
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,…
Polymer amide as a carrier of 15N in Allende and Acfer 086 meteoritesOPEN ACCESS
Maclolm W McGEOCH, Tomáš ŠAMOŘIL, David ZAPOTOK, Julie E M McGEOCH PDF (OPEN ACCESS) “Polymers of amino acids have been found in Allende and Acfer 086, with extra-terrestrial origin evidenced by isotopically enhanced satellite peaks…
High‐mass resolution molecular imaging of organic compounds on the surface of Murchison meteorite
Minako Hashiguchi, Hiroshi Naraoka Meteorit Planet Sci. . doi:10.1111/maps.13211 LINK “High‐resolution mass spectrometry (HRMS) imaging by desorption electrospray ionization (DESI) coupled with Orbitrap MS using methanol (MeOH) spray was performed on a fragment of the…
The physical properties of meteorites
D. Ostrowski, K. Bryson Planetary and Space Science In Press, Accepted Manuscript, Available online 14 November 2018 LINK “Meteorites provide vast amounts of information on the make up and history of the solar system. Physical…
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…
Fine-Grained Scoriaceous and Unmelted Micrometeorites: Sources and Relationships with Cosmic Spherules
D. D. Badyukov, F. Brandstaetter, D. Topa Geochemistry International November 2018, Volume 56, Issue 11, pp 1071–1083 First Online: 12 November 2018 LINK “185 fine-grained micrometeorites (FgMMs) from the Novaya Zemlya micrometeorite collection were studied…
Previously unknown quasicrystal periodic approximant found in spaceOPEN ACCESS
Luca Bindi, Joyce Pham & Paul J. Steinhardt Scientific Reports volume 8, Article number: 16271 (2018) Published: 02 November 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report the discovery of Al34Ni9Fe2, the first natural…
The Volatility Trend of Protosolar and Terrestrial Elemental AbundancesOPEN ACCESS
Haiyang S. Wang, Charles H. Lineweaver, Trevor R. Ireland PDF (OPEN ACCESS) White paper submitted for community feedback. Feedback is collected at this URL. “We present new estimates of protosolar elemental abundances based on an…
Nucleosynthetic vanadium isotope heterogeneity of the early solar system recorded in chondritic meteoritesOPEN ACCESS
Sune G. Nielsen, Maureen Auro, Kevin Righter, David Davis, Julie Prytulak, Fei Wu, Jeremy D. Owens Earth and Planetary Science Letters Volume 505, 1 January 2019, Pages 131-140 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Highlights…
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…
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….
Compound‐specific carbon isotope compositions of aldehydes and ketones in the Murchison meteorite
Danielle N. Simkus, José C. Aponte, Robert W. Hilts, Jamie E. Elsila, Christopher D. K. Herd Meteoritics & Planetary Science First published: 14 October 2018 LINK “Compound‐specific carbon isotope analysis (δ13C) of meteoritic organic compounds…
Spectral and chemical effects of simulated space weathering of the Murchison CM2 carbonaceous chondriteOPEN ACCESS
M.S. Thompson, M.J. Loeffler, R.V. Morris, L.P. Keller, R. Christoffersen Icarus In Press, Accepted Manuscript, Available online 18 September 2018 PDF (OPEN ACCESS) LINK (OPEN ACCESS) “Highlights • Space weathering of a carbonaceous chondrite simulated…
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…
Hydrogen isotopic composition of water in CV-type carbonaceous chondritesOPEN ACCESS
Laurette Piani, Yves Marrocchi Earth and Planetary Science Letters Volume 504, 15 December 2018, Pages 64-71 LINK (OPEN ACCESS) PDF “Highlights • In situ measurements by ion probe reveals the D/H ratio of water in…
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…
The Amino Acid Distribution in Laboratory Analogs of Extraterrestrial Organic Matter: A Comparison to CM Chondrites
P. Modica, Z. Martins, C. Meinert, B. Zanda, and L. L. S. d’Hendecourt The Astrophysical Journal, Volume 865, Number 1 LINK “Laboratory experiments that simulate the photo- and thermo-chemistry of extraterrestrial ices always lead to…
Spectral and chemical effects of simulated space weathering of the Murchison CM2 carbonaceous chondrite
M.S. Thompson, M.J. Loeffler, R.V. Morris, L.P. Keller, R. Christoffersen Icarus In Press, Accepted Manuscript, Available online 18 September 2018 LINK “Highlights • Space weathering of a carbonaceous chondrite simulated via pulsed laser irradiation •…
White Dwarf Collisions, a promising scenario to account for meteoritic anomaliesOPEN ACCESS
J. Isern, E. Bravo Accepted for publication in RNAAS 6 September, 2018 PDF (OPEN ACCESS) “It is commonly accepted that collisions between white dwarfs (WD) are rare events that only occur in the dense interior…
Temperature constraints by Raman spectroscopy of organic matter in volatile-rich clasts and carbonaceous chondrites
Robbin Visser, Timm John, Martina Menneken, Markus Patzek, Addi Bischoff Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 September 2018 LINK “An important question regarding the formation of the solar system is…
Monosaccharides and Their Derivatives in Carbonaceous Meteorites: A Scenario for Their Synthesis and Onset of Enantiomeric ExcessesOPEN ACCESS
George Cooper, Andro C. Rios, and Michel Nuevo Life 2018, 8(3), 36; doi: 10.3390/life8030036 Published: 27 August 2018 Review LINK (OPEN ACCESS) PDF (OPEN ACCESS) ” Carbonaceous meteorites provide the best glimpse into the solar…
Effect of polychromatic X‐ray microtomography imaging on the amino acid content of the Murchison CM chondrite
Jon M. Friedrich, Hannah L. McLain, Jason P. Dworkin, Daniel P. Glavin, W. Henry Towbin, Morgan Hill, Denton S. Ebel Meteoritics & Planetary Science First published: 23 August 2018 LINK “X‐ray microcomputed tomography (μCT) is…
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…
Variable distribution of s-process Hf and W isotope carriers in chondritic meteorites – evidence from 174Hf and 180W
Bo-Magnus Elfers, Peter Sprung, Markus Pfeifer, Frank Wombacher, Stefan T.M.Peters, Carsten Münker Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 11 August 2018 LINK “The stepwise acid digestion of primitive chondritic meteorites allows…
Collisional and alteration history of the CM parent body
Lionel G. Vacher, Yves Marrocchi, Johan Villeneuve, Maximilien J. Verdier-Paoletti, Matthieu Gounelle Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 10 August 2018 LINK “Boriskino is a little studied CM2 chondrite composed of…
Insights into the origin of carbonaceous chondrite organics from their triple oxygen isotope composition
Romain Tartèse, Marc Chaussidon, Andrey Gurenko, Frédéric Delarue, and François Robert PNAS August 6, 2018. 201808101; published ahead of print August 6, 2018. https://doi.org/10.1073/pnas.1808101115 LINK Significance “Refractory organic matter found in volatile-rich asteroidal materials essentially…
Organic and mineralogic heterogeneity of the Paris meteorite followed by FTIR hyperspectral imaging
Z. Dionnet, A. Aleon‐Toppani, D. Baklouti, F. Borondics, F. Brisset, Z. Djouadi, C. Sandt, R. Brunetto LINK Meteorit Planet Sci. . doi:10.1111/maps.13178 “Significant compositional and structural heterogeneity at nm to mm scales is an important…
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…
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…
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…
The soluble organic compounds of the Mukundpura meteorite: A new CM chondrite fall
Sandra Pizzarello, Christopher T. Yarnes Planetary and Space Science Available online 2 July 2018 LINK “Highlights • The first analyses of water-soluble organic content of the MK meteorite are presented and MK composition appears to…
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…
Hydrothermal dynamics in a CM‐based model of Ceres
B. J. Travis, P. A. Bland, W. C. Feldman, M. V. Sykes Meteoritics & Planetary Science First published: 28 June 2018 doi:10.1111/maps.13138 LINK “A 2‐D numerical study of the evolution of Ceres from a “frozen…
Redox-influenced trace element compositional differences among variably aqueously altered CM chondrites
Jon M. Friedrich, Neyda M. Abreu, Stephen F. Wolf, Julianne M. Troiano, Gregory L. Stanek Geochimica et Cosmochimica Acta Available online 27 June 2018 LINK “It is generally agreed that the CM chondrites are remarkably…
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…
Isotope record of mineralogical changes in a spectrum of aqueously altered CM chondrites
Elishevah M.M.E. van Kooten, Larissa L. Cavalcante, Kazuhide Nagashima, Takeshi Kasama, Zoltan I. Balogh, Zan Peeters, Silver Sung-Yun Hsiao, Hsien Shang, Der-Chuen Lee, Typhoon Lee, Alexander N. Krot, Martin Bizzarro Geochimica et Cosmochimica Acta Available…
Compositional variability on the surface of 1 Ceres revealed through GRaND measurements of high‐energy gamma raysOPEN ACCESS
Lawrence, D. J., Peplowski, P. N., Beck, A. W., Feldman, W. C., Prettyman, T. H., Russell, C. T., Toplis, M. J., Wilson, J. T., Ammannito, E. , Castillo‐Rogez, J. C., DeSanctis, M. C., Mest, S….
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…
Chiral molecules in space and their possible passage to planetary bodies recorded by meteorites
Sandra Pizzarello, Christopher T. Yarnes Earth and Planetary Science Letters Volume 496, 15 August 2018, Pages 198–205 LINK “Highlights • Murchison extracts were found to contain two close derivatives of Propylene Oxide. • Both are…
Amino Acid Chiral Selection Via Weak Interactions in Stellar Environments: Implications for the Origin of LifeOPEN ACCESS
Michael A. Famiano, Richard N. Boyd, Toshitaka Kajino, Takashi Onaka & Yirong Mo Scientific Reportsvolume 8, Article number: 8833 (2018) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Magnetochiral phenomena may be responsible for the selection of…
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…
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…
Xenolithic Fragment in the CM Chondrite Mukundpura: Greetings from the Tucson Parent Body?
Ebert S. *, Patzek M., Bischoff A. 81st Annual Meeting of The Meteoritical Society 2018 [#6246] abstract “Achondritic fragment with distinct exsolution lamellae in the CM chondrite Mukundpura. Investigation is based on major and trace…
Nature and Occurence Frequency of Heating Processes in CM and C2- Ungrouped Chondrites as Revealed by Insoluble Organic Matter
Quirico E., Bonal L., Beck P., Alexander C. O’ M. D., Yabuta H., Nakamura T., Nakato A., Flandinet L., Montagnac G., Schmitt-Kopplin P., Herd C. D. K. 81st Annual Meeting of The Meteoritical Society 2018…
The Mukundpura (CM2) Chondrite: A New Carbonaceous Meteorite Fall in India
Ray D., Shukla A. D. 81st Annual Meeting of The Meteoritical Society 2018 [#6036] abstract “Mukundpura (CM2) is the new carbonaceous chondrite fall in India. Alteration escaped a few pristine forsteritic olivine chondrule (often with…
Aqueous Alteration Characteristics of Mukundpura (CM2) Chondrite
Panda D. K., Ray D., Shukla A. D. 81st Annual Meeting of The Meteoritical Society 2018 [#6270] abstract “Hydrated minerals are commonly found in the carbonaceous chondrite due to high content of H2O (upto 10…
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…
Post-Accretion History and Reflectance Spectroscopy Properties of the Mukundpura Meteorite
Potin S., Beck P., Bonal L., Schmitt B., Moynier F., Quirico E., Garenne A. 81st Annual Meeting of The Meteoritical Society 2018 [#6072] abstract “We characterized the bulk mineralogy and alteration processes of the parent…
Preliminary Investigation of Cosmogenic Radionuclides in Mukundpura (CM2)
Shukla A. D., Ray D., Dutta A., Raychaudhuri D., Bhattacharya A. 81st Annual Meeting of The Meteoritical Society 2018 [#6112] abstract “Cosmogenic radioanuclides in the freshly fallen Mukundpura carbonaceous Chondrite (CM2) were studied to understand…
High-temperature Ionization-induced Synthesis of Biologically Relevant Molecules in the Protosolar NebulaOPEN ACCESS
David V. Bekaert, Sylvie Derenne, Laurent Tissandier, Yves Marrocchi, Sebastien Charnoz, Christelle Anquetil, and Bernard Marty The Astrophysical Journal, Volume 859, Number 2 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Biologically relevant molecules (hereafter biomolecules) have…
Nature of late accretion to Earth inferred from mass-dependent Ru isotopic compositions of chondrites and mantle peridotitesOPEN ACCESS
Timo Hopp, Thorsten Kleine Earth and Planetary Science Letters,Volume 494,15 July 2018,Pages 50-59 LINK (OPEN ACCESS) “Highlights • Uniform mass-dependent Ru isotopic compositions of chondrites. • Chondritic mass-dependent Ru isotopic composition of Earth’s mantle. •…
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…
Hyperspectral FTIR imaging of irradiated carbonaceous meteorites
R. Brunetto, C. Lantz, Z. Dionnet, F. Borondics, A. Aléon-Toppani, D. Baklouti, M.A. Barucci, R.P. Binzel, Z. Djouadi, K. Kitazato, C. Pilorget Planetary and Space Science Available online 8 May 2018 LINK “Highlights • We…
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…
Perceptive of the pyroxene‐bearing micrometeorites and their relation to chondrites
N. G. Rudraswami, D. Fernandes, Agnelo De Araujo, M. Shyam Prasad, S. Taylor Meteorit Planet Sci. . doi:10.1111/maps.13105 LINK “We studied 149 pyroxenes from 69 pyroxene‐bearing micrometeorites collected from deep‐sea sediments of the Indian Ocean…
The delivery of water by impacts from planetary accretion to presentOPEN ACCESS
R. Terik Daly, Peter H. Schultz Science Advances 25 Apr 2018: Vol. 4, no. 4, eaar2632 DOI: 10.1126/sciadv.aar2632 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Dynamical models and observational evidence indicate that water-rich asteroids and comets…
Ambient and cold‐temperature infrared spectra and XRD patterns of ammoniated phyllosilicates and carbonaceous chondrite meteorites relevant to Ceres and other solar system bodiesOPEN ACCESS
Bethany L. Ehlmann, Robert Hodyss, Thomas F. Bristow, George R. Rossman, Eleonora Ammannito, M. Cristina De Sanctis, Carol A. Raymond Meteorit Planet Sci. . doi:10.1111/maps.13103 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Mg‐phyllosilicate‐bearing, dark surface materials…
Were chondrites magnetized by the early solar wind?
Rona Oran, Benjamin P. Weiss, Ofer Cohen Earth and Planetary Science Letters Volume 492, 15 June 2018, Pages 222–231 LINK “Highlights • Some chondrites contain unidirectional, post-accretional remanent magnetization. • We consider whether this magnetization…
A new type of oxidized and pre-irradiated micrometeorite
Carole Cordier, Bastian Baecker, Ulrich Ott, Luigi Folco, Mario Trieloff Geochimica et Cosmochimica Acta In Press, Available online 17 April 2018 LINK “This paper investigates the mineralogy and noble gas composition of a unique micrometeorite…
Rapid effects of terrestrial alteration on highly siderophile elements in the Sutter’s Mill meteorite
Richard J. Walker, Qing‐Zhu Yin, Philipp R. Heck Meteoritics & Planetary Science Meteorit Planet Sci. . doi:10.1111/maps.13102 LINK “The 187Re‐187Os isotopic systematics of many bulk chondrites plot well beyond analytical uncertainties of a primordial isochron….
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…
Ceres’ spectral link to carbonaceous chondrites — Analysis of the dark background materials
Michael Schäfer, Tanja Schäfer, Matthew R. M. Izawa, Edward A. Cloutis, Stefan E. Schröder, Thomas Roatsch, Frank Preusker, Katrin Stephan, Klaus‐Dieter Matz Meteorit Planet Sci. . doi:10.1111/maps.13079 LINK “Ceres’ surface has commonly been linked with…
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)…
Chemical 3D-imaging of glass inclusions from Allende (CV3) olivine via SIMS: A new insight on chondrule formation conditions
L. Florentin, E. Deloule, F. Faure, D. Mangin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 3 April 2018 LINK “Natural glass inclusions – hosted in Mg-rich olivines from Allende (CV3) type I…
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…
Infrared Spectroscopy of Carbonaceous-chondrite Inclusions in the Kapoeta Meteorite: Discovery of Nanodiamonds with New Spectral Features and Astrophysical Implications
Yassir A. Abdu, Frank C. Hawthorne, and Maria E. Varela The Astrophysical Journal Letters, Volume 856, Number 1 LINK “We report the finding of nanodiamonds, coexisting with amorphous carbon, in carbonaceous-chondrite (CC) material from the…
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…
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…
Redistribution of Sr and rare earth elements in the matrices of CV3 carbonaceous chondrites during aqueous alteration in their parent bodyOPEN ACCESS
Kaori Jogo, Motoo Ito, Tomoki Nakamura, Sachio Kobayashi, Jong Ik Lee Earth, Planets and Space December 2018, 70:37 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We measured the abundances of Sr and rare earth elements (REEs)…
Cosmic History and a Candidate Parent Asteroid for the Quasicrystal-bearing Meteorite KhatyrkaOPEN ACCESS
Matthias M.M. Meier, Luca Bindi, Philipp R. Heck, April I. Neander, Nicole H. Spring, My E. I. Riebe, Colin Maden, Heinrich Baur, Paul J. Steinhardt, Rainer Wieler, Henner Busemann Submitted to Earth and Planetary Science…
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…
Development of an Advanced Electron Microscopy Methodology: Comparison of the Mineralogy of Fine-Grained Rims and Adjacent Matrix in the CM Paris Chondrite
Zanetta P-M., Leroux H., Le Guillou C., Zanda B. 49th Lunar and Planetary Science Conference 2018 POSTER LOCATION #97 [#2232] PDF The mineralogy of the matrix and fine-grained rims are compared in the Paris 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)…
Ultraviolet spectral reflectance of carbonaceous materials
Daniel M. Applin, Matthew R.M. Izawa, Edward A. Cloutis, Jeffrey J. Gillis-Davis, Karly M. Pitman, Ted L. Roush, Amanda R. Hendrix, Paul G. Lucey Icarus Volume 307, June 2018, Pages 40–82 LINK “Highlights • The…
A dual origin for water in carbonaceous asteroids revealed by CM chondritesOPEN ACCESS
Laurette Piani, Hisayoshi Yurimoto, Laurent Remusat Submitted manuscript for publication in Nature Astronomy – Version February, 2 2018 PDF (OPEN ACCESS) “Carbonaceous asteroids represent the principal source of water in the inner Solar System and…
Chemical, isotopic and amino acid composition of Mukundpura CM2.0 (CM1) chondrite: Evidence of parent body aqueous alterationOPEN ACCESS
N.G. Rudraswami, A.K. Naik, R.P. Tripathi, N. Bhandari, S.G. Karapurkar, M.Shyam Prasad, E.V.S.S.K. Babu, V. Sarathi Geoscience Frontiers, In Press, Accepted Manuscript, Available online 17 February 2018 PDF (OPEN ACCESS) LINK “Highlights • Mukundpura has…
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…
I-Xe dating of aqueous alteration in the CI chondrite Orgueil: I. Magnetite and ferromagnetic separates
O. Pravdivtseva, A.N. Krot, C.M. Hohenberg Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 February 2018 LINK “The I-Xe system was studied in a ferromagnetic sample separated from the Orgueil CI carbonaceous…
Characterization of the organic matter and hydration state of Antarctic micrometeorites: A reservoir distinct from carbonaceous chondrites
M. Battandier, L. Bonal, E. Quirico, P. Beck, C. Engrand, J. Duprat, E. Dartois Icarus Volume 306, 15 May 2018, Pages 74-93 LINK “Highlights • 35 Antarctic micrometeorites (AMMs) studied in Raman and IR spectroscopies….
Probing the use of spectroscopy to determine the meteoritic analogues of meteorsOPEN ACCESS
A. Drouard, P. Vernazza, S. Loehle, J. Gattacceca, J. Vaubaillon, B. Zanda, M. Birlan, S. Bouley, et al. A&A, Forthcoming article Accepted: 26 January 2018 LINK Update (16 February 2018): PDF (OPEN ACCESS) “Context. Determining…
Spectral reflectance “deconstruction” of the Murchison CM2 carbonaceous chondrite and implications for spectroscopic investigations of dark asteroids
Edward A. Cloutis, Valerie B. Pietrasz, Cain Kiddell, Matthew R.M. Izawa, Pierre Vernazza, Thomas H. Burbine, Francesca DeMeo, Kimberly T. Tait, James F. Bell III, Paul Mann, Daniel M. Applin, Vishnu Reddy Icarus, Volume 305,…
Northwest Africa 8418: A CV4 Chondrite, with New Insights into Secondary Processes on the CV Parent Body
L. Mallozzi, G. J. MacPherson, C. M. Corrigan, A. J. Irving, D. Pitt 49th Lunar and Planetary Science Conference (2018), Abstract #2555 abstract
Extending the Mudball Model to Other Chondrite Groups
P. A. Bland, B. J. Travis 49th Lunar and Planetary Science Conference (2018), Abstract #2911 abstract
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
Ephemeral Nebular Components in the Mildly Aqueously Altered CM Carbonaceous Chondrite LEW 85311
M. R. Lee, B. E. Cohen, D. F. Mark, A. Boyce 49th Lunar and Planetary Science Conference (2018), Abstract #1287 abstract
Evidence for Planetary Migration in the Early Solar System from Meteorite Paleomagnetism
J. F. J. Bryson, B. P. Weiss, E. A. Lima, J. Gattacceca, W. Cassata 49th Lunar and Planetary Science Conference (2018), Abstract #1252 abstract
Spectral Classification of Ungrouped Carbonaceous Chondrites II: Parameters and Comparison to Independent Measures
V. E. Hamilton, N. M. Abreu, P. A. Bland, H. C. Connolly Jr., R. D. Hanna, D. S. Lauretta, D. L. Schrader 49th Lunar and Planetary Science Conference (2018), Abstract #1753 abstract
Spectral Classification of Ungrouped Carbonaceous Chondrites I: Data Collection and Processing
V. E. Hamilton 49th Lunar and Planetary Science Conference (2018), Abstract #1759 abstract
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
Distinct Evolution of the Carbonaceous and Non-Carbonaceous Reservoirs: Insights from Ru, Mo, and W Isotopes
E. A. Worsham, C. Burkhardt, G. Budde, M. Fischer-Gödde, T. S. Kruijer, T. Kleine 49th Lunar and Planetary Science Conference (2018), Abstract #2720 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-,…
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…
Isotopic and Chemical Evidence for Primitive Aqueous Alteration in the Tagish Lake Meteorite
Keisuke Sakuma, Hiroshi Hidaka, and Shigekazu Yoneda The Astrophysical Journal, Volume 853, Number 1 LINK “Aqueous alteration is one of the primitive activities that occurred on meteorite parent bodies in the early solar system. The…
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…
Characterization of Mukundpura Carbonaceous Chondrite
R. P. Tripathi, Ambesh Dixit, N. Bhandari Current Science Vol 114, No 01 (2018) Pages: 214-217 Published: 2018-01-10 https://doi.org/10.18520/cs%2Fv114%2Fi01%2F214-217 LINK “Two meteorite fragments collected from the Mukundpura impact site, Rajasthan, India have been analysed using…
Investigation of carbonates in the Sutter’s Mill meteorite grains with hyperspectral infrared imaging micro-spectroscopy
Mehmet, Yesiltas Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy Volume 194, 5 April 2018, Pages 92-101 LINK “Highlights • High resolution hyperspectral FTIR imaging microspectroscopy is applied to the Sutter’s Mill meteorite. • Different…
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…
Evolution of interstellar organic compounds under asteroidal hydrothermal conditions
V. Vinogradoff, S. Bernard, C. Le Guillou, L. Remusat Icarus Available online 12 December 2017 LINK “Carbonaceous chondrites (CC) contain a diversity of organic compounds. No definitive evidence for a genetic relationship between these complex…
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…
Bulk chemical compositions of Antarctic meteorites in the NIPR collection
M. Kimura, N. Imae, A. Yamaguchi, H. Haramura, H. Kojima Polar Science doi.org/10.1016/j.polar.2017.12.001 Available online 5 December 2017 LINK “Bulk chemical compositions of meteorites were traditionally analyzed by wet chemical analysis, and NIPR has data…
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….
Extraterrestrial formation of oldhamite and portlandite through thermal metamorphism of calcite in the Sutter’s Mill carbonaceous chondrite
Christopher W. Haberle; Laurence A.J. Garvie American Mineralogist (2017) 102 (12): 2415-2421. DOI:https://doi.org/10.2138/am-2017-6180 Published: December 01, 2017 LINK “The CM and CI carbonaceous chondrites are typically dominated by phyllosilicates with variable proportions of tochilinite, anhydrous…
Ground-based Characterization of Hayabusa2 Mission Target Asteroid 162173 Ryugu: Constraining Mineralogical Composition in Preparation for Spacecraft OperationsOPEN ACCESS
Lucille Le Corre, Juan A. Sanchez, Vishnu Reddy, Driss Takir, Edward A. Cloutis, Audrey Thirouin, Kris J. Becker, Jian-Yang Li, Seiji Sugita, Eri Tatsumi PDF (OPEN ACCESS) “Asteroids that are targets of spacecraft missions are…
Halogens in chondritic meteorites and terrestrial accretion
Patricia L. Clay, Ray Burgess, Henner Busemann, Lorraine Ruzié-Hamilton, Bastian Joachim, James M. D. Day & Christopher J. Ballentine Nature 551, 614–618 (30 November 2017) doi:10.1038/nature24625 LINK “Volatile element delivery and retention played a fundamental…
Petrogenesis of D’Orbigny-like angrite meteorites and the role of spinel in the angrite source
McKibbin, S. J. and O’Neill, H. St. C. Meteoritics & Planetary Science. doi: 10.1111/maps.13004 LINK “Angrite meteorites are samples of early planetesimal magmatic rocks, distinguished from more typical “basaltic eucrites” by compositions that are silica…
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…
Origin of isotopically light nitrogen in meteorites
A. B. Verchovsky Geochemistry International November 2017, Volume 55, Issue 11, pp 957–970 Original Russian Text © A.B. Verchovsky, 2017, published in Geokhimiya, 2017, No. 11, pp. 969–983 LINK “Bulk meteorite samples of various chemical…
Non-destructive elemental analysis of a carbonaceous chondrite with direct current Muon beam at MuSICOPEN ACCESS
K. Terada, A. Sato, K. Ninomiya, Y. Kawashima, K. Shimomura, G. Yoshida, Y. Kawai, T. Osawa & S. Tachibana Scientific Reports 7, Article number: 15478 (2017) doi:10.1038/s41598-017-15719-5 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Electron- or…
The Mukundpura meteorite, a new fall of CM chondrite
Dwijesh Ray, Anil D. Shukla Planetary and Space Science In Press, Accepted Manuscript, Available online 10 November 2017 LINK “Highlights • Mukundpura is a new CM chondrite fall. • Petrological classification suggests Mukundpura is CM2…
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. •…
Space Weathering Trends on Carbonaceous Asteroids: A possible explanation for Bennu’s blue slope?
C. Lantz, R.P. Binzel, F.E. DeMeo Icarus In Press, Available online 8 November 2017 LINK “Highlights • Analysis of Near-Earth Asteroid spectra compared to irradiated carbonaceous chondrites. • Link between Principal Composant Analysis scores and…
The selenium isotopic variations in chondrites are mass-dependent; Implications for sulfide formation in the early solar system
J. Labidi, S. König, T. Kurzawa, A. Yierpan, R. Schoenberg Earth and Planetary Science Letters Volume 481, 1 January 2018, Pages 212–222 LINK “Highlights • Significant δ82/78Se variations are recorded in chondrites. • The Se…
Oxygen isotopic ratios of primordial water in carbonaceous chondrites
Wataru Fujiya Earth and Planetary Science Letters Volume 481, 1 January 2018, Pages 264–272 LINK “Highlights • The O isotopic ratio of the primordial water in CM chondrites is determined. • The water contents of…
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…
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…
Tellurium stable isotope fractionation in chondritic meteorites and some terrestrial samples
Manuela A. Fehr, Samantha J. Hammond, Ian J. Parkinson Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 October 2017 LINK “New methodologies employing a 125Te-128Te double-spike were developed and applied to obtain…
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 new mineralogical approach for CO3 chondrite characterization by X-ray diffraction: Identification of primordial phases and thermal history
Imae, N. and Nakamuta, Y. Meteoritics & Planetary Science. doi: 10.1111/maps.12996 LINK “Using the in-plane rotation of polished thin section, the X-ray diffraction patterns exhibiting a high degree of randomness similar to powder pattern were…
Sulfide–oxide assemblages in Acfer 094—Clues to nebular metal–gas interactions
Barth, M. I. F., Harries, D., Langenhorst, F. and Hoppe, P. Meteoritics & Planetary Science. doi: 10.1111/maps.12992 LINK “The ungrouped carbonaceous chondrite Acfer 094 is among the least altered samples of the early solar system….
