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….
Chemical composition and iron oxidation state of amorphous matrix silicates in the carbonaceous chondrite Acfer 094.
Meteoritics & Planetary Science. doi: 10.1111/maps.12991 Hopp, T. and Vollmer, C. LINK “Nanoscale amorphous silicates are a major component in primitive carbonaceous chondrite matrices and anhydrous interplanetary dust particles. Owing to their metastability and sensitive…
Distribution of aliphatic amines in CO, CV, and CK carbonaceous chondrites and relation to mineralogy and processing history
Aponte, J. C., Abreu, N. M., Glavin, D. P., Dworkin, J. P. and Elsila, J. E. Meteoritics & Planetary Science. doi: 10.1111/maps.12959 LINK “The analysis of water-soluble organic compounds in meteorites provides valuable insights into…
The Effect of Jupiter’s Formation on the Distribution of Refractory Elements and Inclusions in MeteoritesOPEN ACCESS
Steven J. Desch, Anusha Kalyaan, Conel M. O’D. Alexander submitted to ApJ PDF (OPEN ACCESS) “We present a comprehensive evolutionary model of the Sun’s protoplanetary disk. The model predicts from first principles the gas densities…
Molecular Evolution of N-Containing Cyclic Compounds in the Parent Body of the Murchison Meteorite
Hiroshi Naraoka, Yohei Yamashita, Mihoko Yamaguchi, François-Régis Orthous-Daunay ACS Earth Space Chem., Article ASAP DOI: 10.1021/acsearthspacechem.7b00058 Publication Date (Web): August 14, 2017 LINK “Primitive meteorites contain various classes of organic compounds. Because the molecular distribution…
Spatial distribution of carbon dust in the early solar nebula and the carbon content of planetesimalsOPEN ACCESS
Hans-Peter Gail, Mario Trieloff A&A Volume 606, October 2017 LINK (OPEN ACCESS) “Context. A high fraction of carbon bound in solid carbonaceous material is observed to exist in bodies formed in the cold outskirts of…
Chondrule heritage and thermal histories from trace element and oxygen isotope analyses of chondrules and amoeboid olivine aggregatesOPEN ACCESS
Jacquet, E. and Marrocchi, Y. Meteoritics & Planetary Science. doi: 10.1111/maps.12985 First published: 26 September 2017 LINK PDF (OPEN ACCESS) “We report combined oxygen isotope and mineral-scale trace element analyses of amoeboid olivine aggregates (AOA)…
Correlated silicon and titanium isotopic compositions of presolar sic grains from the Murchison CM2 chondrite
Frank Gyngard, Sachiko Amari, Ernst Zinner, Kuljeet Kaur Marhas Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 23 September 2017 LINK “We report correlated Si, and Ti isotopic compositions and elemental concentrations of…
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)…
Effects of Pressure on Model Compounds of Meteorite Organic Matter
Christian Potiszil, Wren Montgomery, and Mark A. Sephton ACS Earth and Space Chemistry Publication Date: August 28, 2017 DOI: 10.1021/acsearthspacechem.7b00053 LINK “Extraterrestrial organic matter has been widely studied; however, its response to pressure has not….
Physical properties of the stone meteorites: Implications for the properties of their parent bodiesOPEN ACCESS
George J. Flynn, Guy J. Consolmagno, Peter Brown, Robert J. Macke Chemie der Erde – Geochemistry In Press, Corrected Proof, Available online 13 September 2017 Review Article LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The physical…
Bonanza: An extremely large dust grain from a supernova
Frank Gyngard, Manavi Jadhav, Larry R. Nittler, Rhonda M. Stroud, Ernst Zinner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 7 September 2017 LINK “We report the morphology, microstructure, and isotopic composition of…
Trace element inventory of meteoritic Ca-phosphates
Dustin Ward, Addi Bischoff, Julia Roszjar, Jasper Berndt, Martin J. Whitehouse American Mineralogist 10.2138/am-2017-6056 First Published on September 05, 2017 LINK “Most extraterrestrial samples feature the two accessory Ca-phosphates (apatite-group minerals and merrillite), which are…
An evaluation method of reflectance spectra to be obtained by Hayabusa2 Near-Infrared Spectrometer (NIRS3) based on laboratory measurements of carbonaceous chondritesOPEN ACCESS
Moe Matsuoka, Tomoki Nakamura, Takahito Osawa, Takahiro Iwata, Kohei Kitazato, Masanao Abe, Yusuke Nakauchi, Takehiko Arai, Mutsumi Komatsu, Takahiro Hiroi, Naoya Imae, Akira Yamaguchi, Hideyasu Kojima Earth, Planets and Space December 2017, 69:120 First Online:04…
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….
Carbonaceous chondrites as analogs for the composition and alteration of Ceres.
McSween, H. Y., Emery, J. P., Rivkin, A. S., Toplis, M. J., C. Castillo-Rogez, J., Prettyman, T. H., De Sanctis, M. C., Pieters, C. M., Raymond, C. A. and Russell, C. T. Meteoritics & Planetary…
Reclassification of Hart and Northwest Africa 6047: Criteria for distinguishing between CV and CK3 chondrites.
Dunn, T. L. and Gross, J. Meteoritics & Planetary Science. doi: 10.1111/maps.12946 LINK “The single parent body model for the CV and CK chondrites (Greenwood et al. ) was challenged by Dunn et al. (),…
Reduced and unstratified crust in CV chondrite parent bodyOPEN ACCESS
Clément Ganino & Guy Libourel Nature Communications 8, Article number: 261 (2017) doi:10.1038/s41467-017-00293-1 Published online: 15 August 2017 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Early Solar System planetesimal thermal models predict the heating of the…
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…
CM and CO chondrites: A common parent body or asteroidal neighbors? Insights from chondrule silicates
Devin L. Schrader, Jemma Davidson Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 July 2017 LINK “By investigating the petrology and chemical composition of type II (FeO-rich) chondrules in the Mighei-like carbonaceous…
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…
The spatial distribution of carbon dust in the early solar nebula and the carbon content of planetesimalsOPEN ACCESS
Hans-Peter Gail, Mario Trieloff accepted by Astronomy & Astrophysics PDF (OPEN ACCESS) “A high fraction of carbon bound in solid carbonaceous material is observed to exist in bodies formed in the cold outskirts of the…
Shock fabrics in fine-grained micrometeorites.OPEN ACCESS
Suttle, M. D., Genge, M. J. and Russell, S. S. Meteorit Planet Sci. doi:10.1111/maps.12927 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The orientations of dehydration cracks and fracture networks in fine-grained, unmelted micrometeorites were analyzed using…
Evidence for an impact-induced magnetic fabric in Allende, and exogenous alternatives to the core dynamo theory for Allende magnetization.OPEN ACCESS
Muxworthy, A. R., Bland, P. A., Davison, T. M., Moore, J., Collins, G. S. and Ciesla, F. J. Meteorit Planet Sci. doi:10.1111/maps.12918 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We conducted a paleomagnetic study of the…
Neodymium isotope heterogeneity of ordinary and carbonaceous chondrites and the origin of non-chondritic 142Nd compositions in the Earth
Ryota Fukai, Tetsuya Yokoyama Earth and Planetary Science Letters Volume 474, 15 September 2017, Pages 206–214 LINK “Highlights • Ordinary and carbonaceous chondrites possess non-radiogenic Nd isotope anomalies. • Nd isotope variability was caused by…
Giant convecting mud balls of the early solar systemOPEN ACCESS
Philip A. Bland, Bryan J. Travis Science Advances 14 Jul 2017: Vol. 3, no. 7, e1602514 DOI: 10.1126/sciadv.1602514 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Carbonaceous asteroids may have been the precursors to the terrestrial planets,…
Origin of Na in glass inclusions hosted in olivine from Allende CV3 and Jbilet Winselwan CM2: Implications for chondrule formation
L. Florentin, F. Faure, E. Deloule, L. Tissandier, A. Gurenko, D. Lequin Earth and Planetary Science Letters Volume 474, 15 September 2017, Pages 160–171 LINK “Highlights • Glass inclusions hosted in olivines from Allende experimentally…
Petrographic and C & O isotopic characteristics of the earliest stages of aqueous alteration of CM chondrites
Lionel G. Vacher, Yves Marrocchi, Johan Villeneuve, Maximilien J. Verdier-Paoletti, Matthieu Gounelle Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 July 2017 LINK “CM chondrites form the largest group of hydrated meteorites…
Mapping the composition of chondritic meteorite Northwest Africa 3118 with micro-Raman spectroscopy
Analía G. Dall’Asén, Sophia I. Dimas, Sarah Tyler, Jessica F. Johnston, Timothy R. Anderton, Inese I. Ivans, Jordan M. Gerton, Benjamin C. Bromley & Scott J. Kenyon Spectroscopy Letters Published online: 05 Jul 2017 LINK…
J-type carbon stars: A dominant source of 14N-rich presolar SiC grains of type ABOPEN ACCESS
Nan Liu, Thomas Stephan, Patrick Boehnke, Larry R. Nittler, Conel M. O’D. Alexander, Jianhua Wang, Andrew M. Davis, Reto Trappitsch, Michael J. Pellin The Astrophysical Journal Letters PDF (OPEN ACCESS) updated: 22 July 2017 LINK…
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…
Titanium Stable Isotopic Variations in Chondrites, Achondrites and Lunar Rocks
Nicolas D. Greber, Nicolas Dauphas, Igor S. Puchtel, Beda A. Hofmann, Nicholas T. Arndt Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 30 June 2017 LINK “Titanium isotopes are potential tracers of processes…
Cosmogenic He and Ne in chondrules from clastic matrix and a lithic clast of Murchison: No pre-irradiation by the early sun
My E.I. Riebe, Liliane Huber, Knut Metzler, Henner Busemann, Stefanie M. Luginbuehl, Matthias M.M. Meier, Colin Maden, Rainer Wieler Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 June 2017 LINK “Whether or…
Identification of PAH Isomeric Structure in Cosmic Dust Analogs: The AROMA Setup
Hassan Sabbah, Anthony Bonnamy, Dimitris Papanastasiou, Jose Cernicharo, Jose-Angel Martín-Gago, and Christine Joblin The Astrophysical Journal, Volume 843, Number 1 LINK “We developed a new analytical experimental setup called AROMA (Astrochemistry Research of Organics with…
Coordinated mineralogical and isotopic analyses of a cosmic symplectite discovered in a comet 81P/Wild 2 sample.
Nguyen, A. N., Berger, E. L., Nakamura-Messenger, K., Messenger, S. and Keller, L. P. Meteoritics & Planetary Science. doi: 10.1111/maps.12905 LINK “We have discovered in a Stardust mission terminal particle a unique mineralogical assemblage of…
Rubidium isotopic composition of the Earth, meteorites, and the Moon: Evidence for the origin of volatile loss during planetary accretionOPEN ACCESS
Emily A. Pringle, Frédéric Moynier Earth and Planetary Science Letters, Volume 473, 1 September 2017, Pages 62-70 LINK “Highlights • We measured high-precision stable Rb isotope ratios in terrestrial samples, chondrites, HED meteorites, and lunar…
Paris vs. Murchison: Impact of hydrothermal alteration on organic matter in CM chondrites
V. Vinogradoff, C. Le Guillou, S. Bernard, L. Binet, P. Cartigny, A.J. Brearley, L. Remusat Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 June 2017 LINK “Unravelling the origin of organic compounds…
MUKUNDPURA (CM2) meteorite fall (>2.23 kg) on 6 June 2017 at ~5:15 a.m. IST (UTC+05:30) in Mukundpurā (मुकुन्दपुरा), Jaipur (जयपुर), Rajastan, India (updated: 27 March)
Last update: 27 March 2018 On 6 June 2017 at about 5:10-20 a.m. IST (UTC+05:30) a carbonaceous meteorite, apparently weighing ~ 3.13 kg in total, fell on the farmland of Banśī Bāgaṛā (बंशी बागड़ा) in…
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…
Correlations Among MicroStructure, Morphology, Chemistry, and Isotopic Systematics of Hibonite in CM Chondrites
Han J. * Liu M.-C. Kööp L. Keller L. P. Davis A. M. 80th Annual Meeting of the Meteoritical Society 2017 [#6380] abstract (PDF) ” We present TEM observations of CM hibonites to examine possible…
The Distinct Genetics of Carbonaceous and Non-Carbonaceous Meteorites Inferred from Molybdenum Isotopes
Budde G. * Burkhardt C. Kleine T. 80th Annual Meeting of the Meteoritical Society 2017 [#6271] abstract (PDF) “Mo isotope systematics manifest a fundamental dichotomy in the genetic heritage of carbonaceous and non-carbonaceous meteorites. We…
A Breccia of Ureilitic and C2 Carbonaceous Chondrite Materials from Almahata Sitta: Implications for the Regolith of Ureilitic Asteroids
Goodrich C. A. * Fioretti A. M. Zolensky M. Fries M. Shaddad M. Kohl I. Young E. Jenniskens P. 80th Annual Meeting of the Meteoritical Society 2017 [#6214] abstract (PDF) “We report the first sample…
Oxygen, Magnesium, and Aluminum Isotopes in the Ivuna CAI: Re-Examining High-Temperature Fractionations in CI Chondrites
Frank D. R. * Huss G. R. Nagashima K. Zolensky M. E. Le L. 80th Annual Meeting of the Meteoritical Society 2017 [#6355] abstract (PDF) “The only whole CAI preserved in the aqueously altered CI…
Measurements of Silica Excess in Plagioclase in Chondrules from Primitive Carbonaceous Chondrites: Implications for 26Al-26Mg Systematics
Chaumard N. * Hertwig A. T. Kita N. T. Tenner T. J. Kimura M. 80th Annual Meeting of the Meteoritical Society 2017 [#6309] abstract (PDF) “Chondrules in 3.05–3.1 CCs contain plagioclases that retained silica excess,…
Electron Energy-Loss Spectroscopy of Deuterium-Rich Organic Matter in the CM Chondrite Queen Alexandra Range 97990
Haenecour P. * Zega T. J. Bose M. Howe J. Y. 80th Annual Meeting of the Meteoritical Society 2017 [#6138] abstract (PDF) “We report electron energy-loss spectroscopy measurements of a D-rich hotspot identified in the…
Correlated Deuterium and Nitrogen Isotopic Enrichments in Meteoritic Organic Matter
Bose M. * Zega T. J. Haenecour P. Domanik K. 80th Annual Meeting of the Meteoritical Society 2017 [#6033] abstract (PDF) “Two hotspots with correlated N and H isotopic anomalies, as well as two C-rich…
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…
A Hypothesis to Explain the Presence of Amino Acids in the Tagish Lake Meteorite
Bassez M. P. * 80th Annual Meeting of the Meteoritical Society 2017 [#6035] abstract (PDF) “The Tagish Lake meteorite contains organic matter abiotically synthesized. An explanation is proposed on the basis of thermodynamic calculations and…
Formation Mechanism of Iron-Rich Olivine: Experimental Constrains into Early Fluid-Assisted Hydration and Dehydration Processes on Asteroids
Dobricǎ E. * Nuth J. A. Brearley A. J. 80th Annual Meeting of the Meteoritical Society 2017 [#6342] abstract (PDF) “We performed three new experiments in an attempt to synthesize FeO-rich olivine. This study shows…
A New Method for Modal Abundance, Chemistry and Density Determination of Fine Grained Matrices of Primitive Chondrites
Zanetta P-M. * Leroux H. Le Guillou C. Zanda B. Hewins R. H. Lewin E. Pont S. 80th Annual Meeting of the Meteoritical Society 2017 [#6274] abstract (PDF) “Analyses of primitive chondrite matrices are not…
Olivine Extracted from the Jbilet Winselwan CM2 Chondrite — A Reference for the Regolith of C-Group Asteroids?
Harries D. * Wild P. 80th Annual Meeting of the Meteoritical Society 2017 [#6198] abstract (PDF) “We have investigated olivine grains of an unbrecciated specimen of Jbilet Winselwan (CM2) for surface morphology and particle tracks….
Constraints from Isotopic Dichotomy of Meteorites and from a Trans-Jovian Origin for Carbonaceous Chondrites on the Origin of Chondritic Components
Scott E. R. D. * Krot A. N. Sanders I. S. 80th Annual Meeting of the Meteoritical Society 2017 [#6395] abstract (PDF) “Formation of carbonaceous chondrites beyond Jupiter helps explain CAI abundances in chondrites, differences…
Chondrule Olivine Provenance in Carbonaceous Chondrites: Chemical and Oxygen Isotope Systematics
Bonning G. P. Ireland T. R. Ávila J. N. Mallmann G. 80th Annual Meeting of the Meteoritical Society 2017 [#6151] abstract (PDF) “Bulk chondrites have specific and distinct bulk O-isotopic compositions, yet they appear to…
Oxygen Isotopic Compositions of Fayalite in the CV Chondrite Kaba
Marrocchi Y. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6179] “The oxygen isotopic compositions of fayalite grains in the CV3 carbonaceous chondrites Kaba bring information on the origin of water accreted by…
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…
Chondrule-Cored Aggregates in CV Chondrites: Origin by Chondrule Formation Followed by Olivine Condensation
Fagan T. J. Yasuda T. Nagashima K. Krot A. N. 80th Annual Meeting of the Meteoritical Society 2017 [#6202] abstract “Chondrule-cored aggregates (ChCAs) are a new component of CV chondrites, in which early-stage pyroxene crystallized…
Solar-Radiation Heating as a Possible Heat Source for Dehydration of Hydrous Carbonaceous Chondrites
Nakamura T. * Golabek G. Ohtsuka K. Matsuoka M. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6233] “We have calculated time-dependent temperature profiles of near surface layers of primitive Near Sun Asteroid…
The Evolution of the Protoplanetary Disk Recorded by Nucleosynthetic Isotope Variations of Variable Stellar Origin in Refractory Inclusions
Schönbächler M. * Lai Y.-J. Henshall T. Fehr M. A. Cook D. L. Bullock E. S. 80th Annual Meeting of the Meteoritical Society 2017 [#6222] abstract (PDF) “New CAI data confirm the homogeneous distribution of…
The Thermal History of CI and CM Chondrites and Their Relationship to Primitive Asteroid Surfaces
King A. J. * Maturilli A. Schofield P. F. Helbert J. Russell S. S. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6220] “Heated CI and CM chondrites are likely to be excellcent…
50Ti Evidence for Different Refractory Precursors in Chondrules
Ebert S. Render J. Brennecka G. A. Burkhardt C. Bischoff A. Kleine T. 80th Annual Meeting of the Meteoritical Society 2017 [#6255] abstract “Different refractory precursors in chondrules are necessary to explain the different 50Ti…
Breccia Classification of CM Chondrites
Bischoff A., Ebert S., Metzler K., Lentfort S. 80th Annual Meeting of the Meteoritical Society 2017 [#6089] abstract “CM chondrites are heavily brecciated rocks. We suggest to classify CM chondrites in the same way as…
Northwest Africa 11118: A Unique Accretionary Aggregate
Greshake A., Ziegler K., Mahlow K., Wirth R., Schmitt-Kopplin Ph. 80th Annual Meeting of the Meteoritical Society 2017 [#6208] abstract “The CM-like carbonaceous chondrite Northwest Africa 11118 is an unique very loosely consolidated highly porous…
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…
The Effect of Aqueous Alteration on Primordial Noble Gases in CM Chondrites
Weimer D. * Busemann H. Alexander C. M. O’D. Maden C. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6300] “We have analyzed 32 CM chondrites for their noble gas contents and isotopic…
Petrographic and Isotopic C and O Survey of the Earliest Stages of Aqueous Alteration of CM Chondrites
Vacher L. G. * Marrocchi Y. Villeneuve J. Verdier-Paoletti M. J. Gounelle M. 80th Annual Meeting of the Meteoritical Society 2017 [#6031] abstract “CM Paris shows two populations of carbonates: T1a and a new T0….
Minerals as Markers of Fluid Alteration in Paris Chondrite
Pignatelli I. * Marrocchi Y. Mugnaioli E. Bourdelle F. Gounelle M. 80th Annual Meeting of the Meteoritical Society 2017 [#6189] abstract “This nanoscale study deals with tochilinite/cronstedtite intergrowths formed by pseudomorphism of anhydrous minerals in…
Presolar Silicates in the Matrix and Fine-grained Rims Around Chondrules in Primitive CO3.0 Chondrites: Evidence for Pre-Accretionary Aqueous Alteration of the Rims in the Solar Nebula
Pierre Haenecour, Christine Floss, Thomas J. Zega, Thomas K. Croat, Alian Wang, Bradley L. Jolliff, Paul Carpenter Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 June 2017 LINK “To investigate the origin…
Measuring the level of interstellar inheritance in the solar protoplanetary disk
Conel M. O’D. Alexander,Larry R. Nittler,Jemma Davidson,Fred J. Ciesla Meteoritics & Planetary Science. doi: 10.1111/maps.12891 First published: 6 June 2017 LINK “The timing and extent to which the initial interstellar material was thermally processed provide…
Crystal growth and disequilibrium distribution of oxygen isotopes in an igneous Ca-Al-rich inclusion from the Allende carbonaceous chondriteOPEN ACCESS
Noriyuki Kawasaki, Steven B. Simon, Lawrence Grossman, Naoya Sakamoto, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 June 2017 LINK (OPEN ACCESS) “TS34 is a Type B1 Ca-Al-rich inclusion (CAI)…
Rare Earth Element abundances in presolar SiC
T.R. Ireland, J.N. Ávila, M. Lugaro, S. Cristallo, P. Holden, P. Lanc, L. Nittler, C.M.O’D. Alexander, F. Gyngard, S. Amari Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Individual…
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…
Stellar origin of 15N-rich presolar SiC grains of type AB: supernovae with explosive hydrogen burningOPEN ACCESS
Nan Liu, Larry R. Nittler, Marco Pignatari, Conel M. O’D. Alexander, Jianhua Wang The Astrophysical Journal Letters PDF (OPEN ACCESS) “We report C, N, and Si isotopic data for 59 highly 13C-enriched presolar submicron- to…
Silver contents and Cu/Ag ratios in Martian meteorites and the implications for planetary differentiation
Zaicong Wang, Harry Becker Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 21 May 2017 LINK “Silver and Cu show very similar partitioning behavior in sulfide melt-silicate melt and metal-silicate systems at low…
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…
Osmium isotopic homogeneity in the CK carbonaceous chondrites
Steven Goderis, Alan D. Brandon, Bernhard Mayer, Munir Humayun Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 May 2017 LINK “Variable proportions of isotopically diverse presolar components are known to account for…
Mixing and transport of dust in the early solar nebula as inferred from titanium isotope variations among chondrulesOPEN ACCESS
Simone Gerber, Christoph Burkhardt, Gerrit Budde, Knut Metzler, Thorsten Kleine accepted for publication in the Astrophysical Journal Letters, May 10, 2017 PDF (OPEN ACCESS) Update (22 May 2017): LINK “Chondrules formed by the melting of…
Evidence of cross-cutting and redox reaction in Khatyrka meteorite reveals metallic-Al minerals formed in outer spaceOPEN ACCESS
Chaney Lin, Lincoln S. Hollister, Glenn J. MacPherson, Luca Bindi, Chi Ma, Christopher L. Andronicos & Paul J. Steinhardt Scientific Reports 7, Article number: 1637 (2017) doi:10.1038/s41598-017-01445-5 LINK (OPEN ACCESS) “We report on a fragment…
A multielement isotopic study of refractory FUN and F CAIs: Mass-dependent and mass-independent isotope effects
Levke Kööp, Daisuke Nakashima, Philipp R. Heck, Noriko T. Kita, Travis J. Tenner, Alexander N. Krot, Kazuhide Nagashima, Changkun Park, Andrew M. Davis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 26 April…
A multi-technique search for the most primitive CO chondrites
C.M.O’D. Alexander, R.C. Greenwood, R. Bowden, J.M. Gibson, K.T. Howard, I.A. Franchi Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 April 2017 LINK “As part of a study to identify the most…
Testing the chondrule-rich accretion model for planetary embryos using calcium isotopesOPEN ACCESS
Elsa Amsellem, Frédéric Moynier, Emily A. Pringle, Audrey Bouvier, Heng Chen, James M. D. Day PhD Student Conference (PhDSC), l’Institut de Physique du Globe de Paris (IPGP), 13-17 March 2017 PDF (OPEN ACCESS) Update (28…
Mineralogical, crystallographic and redox features of the earliest stages of fluid alteration in CM chondrites
Isabella Pignatelli, Yves Marrocchi, Enrico Mugnaioli, Franck Bourdelle, Matthieu Gounelle Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 19 April 2017 LINK “The CM chondrites represent the largest group of hydrated meteorites and…
Early accretion of water and volatile elements to the inner Solar System: evidence from angrites
Adam R. Sarafian, Erik H. Hauri, Francis M. McCubbin, Thomas J. Lapen, Eve L. Berger, Sune G. Nielsen, Horst R. Marschall, Glenn A. Gaetani, Kevin Righter, Emily Sarafian Phil. Trans. R. Soc. A 2017 375…
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…
Rubinite
Ma, C., Yoshizaki, T., Nakamura, T. and Muto, J. IMA 2016-110. CNMNC Newsletter No. 36, April 2017, page 408; Mineralogical Magazine, 81, 403–409. PDF (OPEN ACCESS) “IMA No. 2016-110 Rubinite Ca3Ti23+Si3O12 Vigarano meteorite, fell near…
Defining the mechanism for compaction of the CV chondrite parent body
L.V. Forman, P.A. Bland, N.E. Timms, L. Daly, G.K. Benedix, P.W. Trimby, G.S. Collins, T.M. Davison Geology First published on 11 April 2017 doi:10.1130/G38864.1 LINK “The Allende meteorite, a relatively unaltered member of the CV…
Primordial and cosmogenic noble gases in the Sutter’s Mill CM chondrite.
Okazaki, R. and Nagao, K. Meteoritics & Planetary Science. doi: 10.1111/maps.12819 LINK “The Sutter’s Mill (SM) CM chondrite fell in California in 2012. The CM chondrite group is one of the most primitive, consisting of…
Type 1 aqueous alteration in CM carbonaceous chondrites: Implications for the evolution of water-rich asteroidsOPEN ACCESS
A.J. King, P.F. Schofield, S.S. Russell Meteoritics & Planetary Science. doi: 10.1111/maps.12872 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The CM carbonaceous chondrite meteorites experienced aqueous alteration in the early solar system. They range from mildly…
A new family of extraterrestrial amino acids in the Murchison meteoriteOPEN ACCESS
Toshiki Koga & Hiroshi Naraoka Scientific Reports 7, Article number: 636 (2017) doi:10.1038/s41598-017-00693-9 LINK (OPEN ACCESS) “The occurrence of extraterrestrial organic compounds is a key for understanding prebiotic organic synthesis in the universe. In particular,…
Nepheline and sodalite in chondrules of the Ningqiang carbonaceous chondrite: Implications for a genetic relationship with those in the matrix
Megumi Matsumoto, Kazushige Tomeoka, Yusuke Seto Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 April 2017, LINK “Ningqiang is an ungrouped carbonaceous chondrite that has a chemical and mineralogical affinity to CV3…
Effective radium-226 concentration in meteorites
Frédéric Girault, Frédéric Perrier, Manuel Moreira, Brigitte Zanda, Pierre Rochette, Yoram Teitler Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 April 2017 LINK “The analysis of noble gases in meteorites provides constraints…
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…
Early Solar System irradiation quantified by linked vanadium and beryllium isotope variations in meteoritesOPEN ACCESS
Paolo A. Sossi, Frédéric Moynier, Marc Chaussidon, Johan Villeneuve, Chizu Kato & Matthieu Gounelle Nature Astronomy 1, Article number: 0055 (2017) doi:10.1038/s41550-017-0055 Published online: 20 March 2017 PDF (OPEN ACCESS) LINK “X-ray emission in young…
Characterizing amorphous silicates in extraterrestrial materials: polymerization effects on Raman and mid-IR spectral features of alkali and alkali earth silicate glasses
Fu, Xiaohui; Wang, Alian; Krawczynski, Michael J. Journal of Geophysical Research: Planets Accepted manuscript online: 20 March 2017 LINK “Amorphous silicates are common in extraterrestrial materials, especially in carbonaceous chondrites of petrologic types 1 and…
In situ isotopic studies of the U-depleted Allende CAI Curious Marie: Pre-accretionary alteration and the co-existence of 26Al and 36Cl in the early solar nebula
Haolan Tang, Ming-Chang Liu, Kevin D. McKeegan, Francois L.H. Tissot, Nicolas Dauphas Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 March 2017 LINK “The isotopic composition of oxygen as well as 26Al-26Mg…
One-pot synthesis of amino acid precursors with insoluble organic matter in planetesimals with aqueous activityOPEN ACCESS
By Yoko Kebukawa, Queenie H. S. Chan, Shogo Tachibana, Kensei Kobayashi, Michael E. Zolensky Science Advances 17 Mar 2017: Vol. 3, no. 3, e1602093 DOI: 10.1126/sciadv.1602093 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The exogenous delivery…
The role of acidity–basicity in evaporating refractory inclusions in chondrites
O. I. Yakovlev, K. M. Ryazantsev, S. I. Shornikov Geochemistry International March 2017, Volume 55, Issue 3, pp 251–256 First Online: 12 March 2017 LINK “When melts of Ca–Al inclusions in chondrites, which are dominated…
The Thermal Decomposition of Fine-grained Micrometeorites, Observations from Mid-IR SpectroscopyOPEN ACCESS
Martin David Suttle, Matthew J. Genge, Luigi Folco, Sara S. Russell Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 9 March 2017 LINK (OPEN ACCESS) “We analysed 44 fine-grained and scoriaceous micrometeorites. A…
Hollisterite (Al3Fe), kryachkoite (Al,Cu)6(Fe,Cu), and stolperite (AlCu): Three new minerals from the Khatyrka CV3 carbonaceous chondrite
Chi Ma, Chaney Lin, Luca Bindi, Paul J. Steinhardt American Mineralogist, v. 102, i. 3, p. 690-693, First Published on March 01, 2017 doi:10.2138/am-2017-5991 LINK “Our nanomineralogy investigation of the Khatyrka CV3 carbonaceous chondrite has…
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…
