Reactivity of chondritic meteorites under H2-rich atmospheres: Formation of H2SOPEN ACCESS
V. Cabedo, G. Pareras, J. Allitt, A. Rimola, J. Llorca, H. H. P. Yiu, M. R. S. McCoustra Approved for publication in MNRAS PDF (OPEN ACCESS) “Current models of chemical evolution during star and planetary…
On the origin and evolution of deuterium enrichment in type 1 and 2 chondritic organic solids
George D. Cody, Conel M. O’D. Alexander, Dionysis I. Foustoukos, Yoko Kebukawa, Ying Wang Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 21 September 2024 LINK “Rotationally resonant Deuterium Nuclear Magnetic Resonance spectroscopy (D…
Mid-infrared Measurements of Ion-irradiated Carbonaceous Meteorites: How to Better Detect Space Weathering EffectsOPEN ACCESS
C. Lantz, T. Nakamura, D. Baklouti, R. Brunetto, E. Henault, S. Kobayashi, O. Mivumbi, Z. Djouadi, E. Quirico, M. Zolensky and T. Hiroi The Planetary Science Journal, Volume 5, Number 9 LINK (OPEN ACCESS)PDF (OPEN…
Micro- and nanoscale studies of insoluble organic matter and C-rich presolar grains in Murchison and Sutter’s Mill in preparation for Bennu sample analysisOPEN ACCESS
A. N. Nguyen, S. J. Clemett, K. Thomas-Keprta, C. M. O’D. Alexander, D. P. Glavin, J. P. Dworkin, H. C. Connolly Jr, D. S. Lauretta MAPS, Version of Record online: 30 August 2024 LINK (OPEN…
Kinetic analysis of dehydration/dehydroxylation from carbonaceous chondrites by in situ heating experiments under an infrared microscopeOPEN ACCESS
Mengyan Zheng, Yoko Kebukawa, Yuka Hayashi, Kensei Kobayashi MAPS, Version of Record online: 30 August 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “CI, CM, and CR carbonaceous chondrites contain hydrous minerals, indicating that their parent bodies…
Chondrule sizes within the CM carbonaceous chondrites and measurement methodologiesOPEN ACCESS
C. J. Floyd, S. Benito, P.-E. Martin, L. E. Jenkins, E. Dunham, L. Daly, M. R. Lee MAPS, Version of Record online: 08 August 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The sizes of chondrules are…
Visual observation of meteorite ablation in plasma wind tunnel experimentsOPEN ACCESS
F. Grigat, S. Loehle, J. Vaubaillon, P. Matlovič, J. Tóth IcarusIn Press, Journal Pre-proof, Available online 8 August 2024 LINK + PDF (OPEN ACCESS) “Highlights “A set of 28 different meteorites was tested in 32…
Isotope studies of presolar silicon carbide grains from supernovae: new constraints for hydrogen-ingestion supernova modelsOPEN ACCESS
Peter Hoppe, Jan Leitner, Marco Pignatari, and Sachiko Amari Monthly Notices of the Royal Astronomical Society, stae1523Published: 19 June 2024 LINK (OPEN ACCESS) “We report isotope data for C, N, Al, Si, and S of…
Laboratory VIS–NIR reflectance measurements of heated Vesta regolith analogs: Unraveling the spectral properties of the pitted impact deposits on VestaOPEN ACCESS
T. Michalik, A. Maturilli, E. A. Cloutis, K. Stephan, R. Milke, K.-D. Matz, R. Jaumann, L. Hecht, H. Hiesinger, K. A. Otto MAPS, Version of Record online: 05 April 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS)…
Clumped isotope and Δ17O measurements of carbonates in CM carbonaceous chondrites: new insights into parent body thermal and fluid evolutionOPEN ACCESS
Matthieu Clog, Paula Lindgren, Sevasti Modestou, Alex McDonald, Andrew Tait, Terry Donnelly, Darren Mark, Martin Lee Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 28 January 2024 LINK (OPEN ACCESS) “The CM carbonaceous chondrites…
Investigating Organic Carbon and Thermal History of CM Carbonaceous Chondrites Using Spectroscopy and Laboratory TechniquesOPEN ACCESS
Safoura Tanbakouei, Rui-Lin Cheng, Binlong Ye, Josep Ryan Michalski, Ashley J. King PDF (OPEN ACCESS) “The CM chondrites are characterized as primary accretionary rocks which originate from primitive water-rich asteroids formed during the early Solar…
Describing the fragment mass distribution in meteorite showers
I.G. Brykina, L.A. Egorova Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 20 January 2024 LINK “The mass distribution of fragments is an important characteristic that often needs to be defined for forward modelling…
Explosive Nucleosynthesis in Core-collapse Type II Supernovae: Insights from New C, N, Si, and Al–Mg Isotopic Compositions of Presolar GrainsOPEN ACCESS
Nan Liu, Conel M. O’D. Alexander, Bradley S. Meyer, Larry R. Nittler, Jianhua Wang, and Rhonda M. Stroud The Astrophysical Journal Letters, Volume 961, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report C, N,…
Focused-beam X-ray fluorescence and diffraction microtomographies for mineralogical and chemical characterization of unsectioned extraterrestrial samplesOPEN ACCESS
Antonio Lanzirotti, Stephen R. Sutton, Matthew Newville, Adrian Brearley, Oliver Tschauner MAPS, Version of Record online: 17 January 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “This study describes the application of new synchrotron X-ray fluorescence (XRF)…
Molecular distribution and 13C isotope composition of volatile organic compounds in the Murchison and Sutter’s Mill carbonaceous chondritesOPEN ACCESS
José C. Aponte, Frédéric Séguin, Ariel J. Siguelnitzky, Jason P. Dworkin, Jamie E. Elsila, Daniel P. Glavin, Harold C. Connolly Jr, Dante S. Lauretta MAPS, Version of Record online: 16 January 2024 LINK (OPEN ACCESS)PDF…
Analytical method for stable background reduction for Raman spectra of carbon-containing meteorite and terrestrial samples suffering from intense fluorescenceOPEN ACCESS
Aruto Kashima, Shu-hei Urashima, Hiroharu Yui MAPS, Version of Record online: 10 January 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chemical states of carbon in terrestrial (meta) sediments and carbonaceous chondrites gather attention as a geothermometer….
Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium
Sarah S. Zeichner, José C. Aponte, Surjyendu Bhattacharjee, Guannan Dong, Amy E. Hofmann, Jason P. Dworkin, Daniel P. Glavin, Jamie E. Elsila, Heather V. Graham, Hiroshi Naraoka, Yoshinori Takano, Shogo Tachibana, Allison T. Karp, Kliti…
Investigating the impact of x-ray computed tomography imaging on soluble organic matter in the Murchison meteorite: Implications for Bennu sample analysesOPEN ACCESS
Daniel P. Glavin, Scott A. Eckley, José C. Aponte, Eve L. Berger, Aaron S. Burton, Jason P. Dworkin, Jamie E. Elsila, Frank T. Ferguson, Yoshihiro Furukawa, Heather V. Graham, Toshiki Koga, Michael Liss, Hannah L….
The nature of insoluble organic matter in Sutter’s Mill and Murchison carbonaceous chondrites: Testing the effect of x-ray computed tomography and exploring parent body organic molecular evolution
George D. Cody, Conel M. O’D. Alexander, Dionysis I. Foustoukos, Henner Busemann, Scott Eckley, Aaron S. Burton, Eve L. Berger, Michael Nuevo, Scott A. Sandford, Daniel P. Glavin, Jason P. Dworkin, Harold C. Connolly Jr,…
Investigating the role of incident ion flux in solar wind space weathering of carbon-rich asteroidal regolith via H+and He+irradiation of the Murchison meteorite
D.L. Laczniak, M.S. Thompson, R. Christoffersen, C.A. Dukes, R.V. Morris, L.P. Keller IcarusIn Press, Journal Pre-proof, Available online 23 November 2023 LINK “We present results from a set of low and high flux 1 keV/amu H+…
The water content of CM carbonaceous chondrite falls and finds, and their susceptibility to terrestrial contaminationOPEN ACCESS
Martin R. Lee, Lydia J. Hallis, Luke Daly, Adrian J. Boyce MAPSVersion of Record online: 12 November 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “CM carbonaceous chondrites can be used to constrain the abundance and H…
Abundant extraterrestrial purine nucleobases in the Murchison meteorite: Implications for a unified mechanism for purine synthesis in carbonaceous chondrite parent bodies
Toshiki Koga, Yoshinori Takano, Yasuhiro Oba, Hiroshi Naraoka, Naohiko Ohkouchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 October 2023 LINK “Extraterrestrial nucleobases are of key interest owing to their implications for the…
Outgassing Composition of the Murchison Meteorite: Implications for Volatile Depletion of Planetesimals and Interior-atmosphere Connections for Terrestrial ExoplanetsOPEN ACCESS
Maggie A. Thompson, Myriam Telus, Graham Harper Edwards, Laura Schaefer, Jasmeet Dhaliwal, Brian Dreyer, Jonathan J. Fortney and Kyle Kim The Planetary Science Journal, Volume 4, Number 10 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Outgassing is…
Assessing the Effect of Aqueous Alteration on Soluble Organic Matter in Primitive Carbonaceous Chondrites: The Case of Asuka 12236
Coline Serra, Vassilissa Vinogradoff, Pauline Poinot, Quentin Blancart Remaury, Fabrice Duvernay, Louis Le Sergeant d’Hendecourt, Grégoire Danger, Philippe Claeys, Steven Goderis, and Philippe Schmitt-Kopplin ACS Earth and Space ChemistryPublication Date: September 25, 2023 LINK “Carbonaceous…
Fine-grained chondrule rims in Mighei-like carbonaceous chondrites: Evidence for a nebular origin and modification by impacts and recurrent solar radiation heating
Xeynab Mouti Al-Hashimi, Jemma Davidson, Devin L. Schrader, Emma S. Bullock MAPSVersion of Record online: 12 September 2023 LINK “The Mighei-like carbonaceous (CM) chondrites, the most abundant carbonaceous chondrite group by number, further our understanding…
Position-specific carbon isotopes of Murchison amino acids elucidate extraterrestrial abiotic organic synthesis networksOPEN ACCESS
Sarah S. Zeichner, Laura Chimiak, Jamie E. Elsila, Alex L. Sessions, Jason P. Dworkin, José C. Aponte, John M. Eiler Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 14 June 2023 LINK (OPEN ACCESS)…
The spatial distribution of soluble organic matter and their relationship to minerals in the asteroid (162173) RyuguOPEN ACCESS
Minako Hashiguchi, Dan Aoki, Kazuhiko Fukushima, Hiroshi Naraoka, Yoshinori Takano, Jason P. Dworkin, Karin E. Dworkin, José C. Aponte, Jamie E. Elsila, John M. Eiler, Yoshihiro Furukawa, Aogu Furusho, Daniel P. Glavin, Heather V. Graham,…
Distributions of CHN compounds in meteorites record organic syntheses in the early solar systemOPEN ACCESS
Yoshihiro Furukawa, Daisuke Saigusa, Kuniyuki Kano, Akira Uruno, Ritsumi Saito, Motoo Ito, Megumi Matsumoto, Junken Aoki, Masayuki Yamamoto & Tomoki Nakamura Scientific Reports, Volume 13, Article number: 6683Published: 24 April 2023 LINK (OPEN ACCESS)PDF (OPEN…
High mobility of asteroid particles revealed by measured cohesive force of meteorite fragmentsOPEN ACCESS
Yuuya Nagaashi and Akiko M. Nakamura Science Advances17 Mar 2023Vol 9, Issue 11 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The cohesive force of asteroid particles is a crucial parameter in microgravity. The cohesive force was evaluated…
New Constraints for Supernova Models from Presolar Silicon Carbide X Grains with Very High 26Al/27Al RatiosOPEN ACCESS
Peter Hoppe, Jan Leitner, Marco Pignatari, and Sachiko Amari The Astrophysical Journal Letters, Volume 943, Number 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report C, N, Mg-Al, Si, and S isotope data of six 1–3μm-sized…
Mass-independent Sn isotope fractionation and radiogenic 115Sn in chondrites and terrestrial rocks
Alessandro Bragagni, Frank Wombacher, Maria Kirchenbaur, Ninja Braukmüller, Carsten Münker Geochimica et Cosmochimica ActaAvailable online 20 January 2023 LINK “Tin has ten stable isotopes, providing the opportunity to investigate and discriminate nucleosynthetic isotope anomalies from…
Soluble Sulfur-Bearing Organic Compounds in Carbonaceous Meteorites: Implications for Chemical Evolution in Primitive Asteroids
Hiroshi Naraoka, Minako Hashiguchi, and Ryuji Okazaki ACS Earth Space ChemistryPublication Date: December 14, 2022 LINKSupporting Information (PDF) “Sulfur comprises various compound forms in natural environments and could have played important roles in chemical evolution…
Three-dimensional imaging of high-velocity-impact induced crack growth in carbonaceous meteorites
Tatsuhiro Michikami, Akira Tsuchiyama, Axel Hagermann, Akio Takeda, Katsuki Shishido, Yushi Otsuka, Osamu Sasaki, Michihiko Nakamura, Satoshi Okumura, Harumasa Kano, Sunao Hasegawa, IcarusAvailable online 25 November 2022 LINK “The material strength of meteorites provides useful…
Chiroptical activity of gas-phase propylene oxide predicting the handedness of interstellar circular polarization in the presolar nebulaOPEN ACCESS
Adrien D. Garcia, Jérémie Topin, Jana Bocková, Nykola C. Jones, Søren V. Hoffmann, and Cornelia Meinert Science Advances, 18 Nov 2022, Vol 8, Issue 46 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Propylene oxide, the first chiral…
In situ 87Rb–87Sr analyses of terrestrial and extraterrestrial samples by LA-MC-ICP-MS/MS with double Wien filter and collision cell technologiesOPEN ACCESS
Nicolas Dauphas, Timo Hopp, Grant Craig, Zhe J. Zhang, Maria C. Valdes, Philipp R. Heck, Bruce L. A. Charlier, Elizabeth A. Bell, T. Mark Harrison, Andrew M. Davis, Laure Dussubieux, Patrick R. Williams, Michael J….
Deuterium Isotope Fractionation of Polycyclic Aromatic Hydrocarbons in Meteorites as an Indicator of Interstellar/Protosolar Processing HistoryOPEN ACCESS
Heather V. Graham, Jamie E. Elsila, Jason P. Dworkin, Scott A. Sandford and Jose C. Aponte Life 2022, 12(9), 1368 LINK (OPEN ACCESS)PDF (DOWNLOAD) “The stable isotope composition of soluble and insoluble organic compounds in…
Phosphorus Speciation in Hydrous Carbonaceous Meteorites: Indications of the Degree of Oxidation During Hydrothermal Processing
MetSoc22 abstract [#6290] LINK “Results suggest P was incorporated into parent bodies as phosphide, and aqueous processing was most effective at oxidizing this to phosphate in Murchison, with a lesser degree of oxidation in Aguas…
3D porosity structure of the earliest solar system materialOPEN ACCESS
Romy D. Hanna, Richard A. Ketcham, David R. Edey & Josh O’Connell Scientific Reports, Volume 12, Article number: 8369Published: 19 May 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Carbonaceous chondrites (CCs) contain the earliest preserved Solar…
Measurement of Thermal Diffusivity Distribution for Murray and Murchison Meteorites Using Lock-in Thermography
International Journal of Thermophysics, Volume 43, Article number: 97Published: 03 May 2022 LINK “It is important to know the thermophysical properties (thermal diffusivity, specific heat, etc.) for meteorites and small samples from asteroids to understand…
Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteoritesOPEN ACCESS
Yasuhiro Oba, Yoshinori Takano, Yoshihiro Furukawa, Toshiki Koga, Daniel P. Glavin, Jason P. Dworkin & Hiroshi Naraoka Nature Communications, Volume 13, Article number: 2008Published: 26 April 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Information “The…
Reflectance Spectral Comparison Between a Large Ryugu Returned Sample and Carbonaceous Chondrites
Amano K. * Matsuoka M. Nakamura T. Kagawa E. Hiroi T. et al. PDF LPSC 2022 abstract [#1789] “We measured reflectance spectra of the samples collected from asteroid Ryugu by Hayabusa2 and compared the results…
Multi-Isotopic Analyses of Bulk Ryugu Samples Returned by the Hayabusa2 Mission
Yokoyama T. * Hayabusa2-Initial-Analysis Chemistry Hayabusa2-Initial-Analysis Core PDF LPSC 2022 abstract [#1273] “We report preliminary results on the isotopic compositions of Ti, Cr, and Pb obtained from the Ryugu samples and some carbonaceous chondrites.”
Visualization and identification of single meteoritic organic molecules by atomic force microscopyOPEN ACCESS
Katharina Kaiser, Fabian Schulz, Julien F. Maillard, Felix Hermann, Iago Pozo, Diego Peña, H. James Cleaves II, Aaron S. Burton, Gregoire Danger, Carlos Afonso, Scott Sandford, Leo Gross MAPSVersion of Record online: 01 February 2022…
Polyaromatic Units Set the Albedo of Dark Extraterrestrial MaterialsOPEN ACCESS
Romain Maupin, Zahia Djouadi, Rosario Brunetto, Obadias Mivumbi, Christophe Sandt and Ferenc Borondics The Planetary Science Journal, Volume 3, Number 1, 20 January 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Primitive extraterrestrial materials are generally dark,…
A 187Re-187Os, 87Rb-86Sr, highly siderophile and incompatible trace element study of some carbonaceous, ordinary and enstatite chondrite meteoritesOPEN ACCESS
Nicole Phelan, James M.D. Day, Jasmeet K.Dhaliwal, Yang Liu, Christopher A. Corder, Caleb Strom, Emily Pringle, Nelly Assayag, Pierre Cartigny, Kurt Marti, Frédéric Moynier Geochimica et Cosmochimica ActaAvailable online 19 November 2021 LINK (OPEN ACCESS)…
Are radicals responsible for of the variable deuterium enrichments in chondritic insoluble organic material?
C.M.O’D. Alexander, M.J. Nilges, G.D. Cody, C.D.K. Herd Geochimica et Cosmochimica ActaAvailable online 22 October 2021 LINK “The insoluble organic material (IOM) in primitive chondritic meteorites is very enriched in D (up to δD≈3500 ‰…
New Multielement Isotopic Compositions of Presolar SiC Grains: Implications for Their Stellar Origins
Nan Liu, Jens Barosch, Larry R. Nittler, Conel M. O’D. Alexander, Jianhua Wang, Sergio Cristallo, Maurizio Busso, and Sara Palmerini The Astrophysical Journal Letters, Volume 920, Number 1 LINK “We report NanoSIMS Si and Mg–Al…
Thermal history of matrix forsterite grains from Murchison based on high-resolution tomographyOPEN ACCESS
Giulia Perotti, Henning O. Sørensen, Henning Haack, Anja C. Andersen, Dario Ferreira Sanchez, Elishevah M. M. E. van Kooten, Esther H. R. Tsai, Kim N. Dalby, Mirko Holler, Daniel Grolimund, Tue Hassenkam accepted for publication…
Heterogeneity within refractory organic matter from CM2 Carbonaceous Chondrites: Evidence from Raman spectroscopy
Christian Potiszil, Wren Montgomery, Mark A. Sephton Earth and Planetary Science LettersVolume 574, 15 November 2021, 117149 LINK “Highlights • The refractory organic matter Raman response is indistinct from bulk meteorite.• Meteorite refractory organic matter…
The Sn isotope composition of chondrites: implications for volatile element depletion in the Solar System
Xueying Wang, Caroline Fitoussi, Bernard Bourdon, Kevin Righter, Quentin Amet Geochimica et Cosmochimica ActaAvailable online 19 August 2021 LINK “The origin of volatile element depletion in terrestrial planets and meteorites relative to a solar composition…
Silicate Minerals in CM Carbonaceous Chondrites Murchison and Aguas Zarcas
Bose M., Hahn T. M. Jr., Jin Z. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6078) PDF Silicate minerals in Aguas Zarcas has elevated hydrogen isotopic ratios compared to Murchison. Isolated olivines…
Chiroptical activity of hydroxycarboxylic acids with implications for the origin of biological homochiralityOPEN ACCESS
Jana Bocková, Nykola C. Jones, Uwe J. Meierhenrich, Søren V. Hoffmann & Cornelia Meinert Communications Chemistry, Volume 4, Article number: 86 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Circularly polarised light (CPL) interacting with interstellar organic…
Exploring the link between molecular cloud ices and chondritic organic matter in laboratoryOPEN ACCESS
G. Danger, V. Vinogradoff, M. Matzka, J-C. Viennet, L. Remusat, S. Bernard, A. Ruf, L. Le Sergeant d’Hendecourt & P. Schmitt-Kopplin Nature Communications, Volume 12, Article number: 3538 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Carbonaceous…
Characterizing the spectral, microstructural, and chemical effects of solar wind irradiation on the Murchison carbonaceous chondrite through coordinated analyses
D.L. Laczniak, M.S. Thompson, R. Christoffersen, C.A. Dukes, S.J. Clemett, R.V. Morris, L.P. Keller IcarusIn Press, Journal Pre-proof, Available online 17 April 2021 LINK “Highlights • Solar wind irradiation of carbon-rich asteroids simulated using 1 keV/amu…
Composition of terrestrial exoplanet atmospheres from meteorite outgassing experimentsOPEN ACCESS
Maggie A. Thompson, Myriam Telus, Laura Schaefer, Jonathan J. Fortney, Toyanath Joshi & David Lederman Nature Astronomy , 1–11 LINK PDF (OPEN ACCESS) “Terrestrial exoplanets likely form initial atmospheres through outgassing during and after accretion,…
Speciation of organosulfur compounds in carbonaceous chondritesOPEN ACCESS
Alexander Zherebker, Yury Kostyukevich, Dmitry S. Volkov, Ratibor G. Chumakov, Lukas Friederici, Christopher P. Rüger, Alexey Kononikhin, Oleg Kharybin, Alexander Korochantsev, Ralf Zimmermann, Irina V. Perminova & Eugene Nikolaev Scientific Reports 11 , 1–13 LINK…
The relationship between CM and CO chondrites: Insights from combined analyses of titanium, chromium, and oxygen isotopes in CM, CO, and ungrouped chondritesOPEN ACCESS
Zachary A. Torrano, Devin L. Schrader, Jemma Davidson, Richard C. Greenwood, Daniel R.Dunlap, Meenakshi Wadhwa Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 10 March 2021 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “A close…
Comparison of the Murchison CM2 and Allende CV3 chondrites
Kim V. Fendrich, Denton, S. Ebel Meteoritics & Planetary ScienceVersion of Record online:09 February 2021 LINK “The size, distribution, abundance, and physical and chemical characteristics of chondritic inclusions are key features that define the chondrite…
Separate CAI Reservoirs for Allende (CV3) and Murchison (CM2)
D. S. Ebel, Fendrich K. V. 52nd Lunar and Planetary Science Conference (2021), Abstract #2311 PDF “Chemical compositions, textures, and sizes of CAIs reveal characteristic populations in CV and CM chondrites. With chondrule evidence, this…
Evidence for Extraterrestrial L-Amino Acid Excesses in the CM2 Aguas Zarcas and Murchison Meteorites: Predictions for Ryugu and Bennu
Glavin D. P., Elsila J. E., McLain H. L., Aponte J. C., Parker E. T. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1086 PDF “We report the detection of extraterrestrial L-amino acids…
Understanding Space Weathering of Carbonaceous Asteroids Through H+ and He+ Ion Irradiation of the Murchison Meteorite
D. L. Laczniak, Thompson M. S., Christoffersen R., Dukes C. A., Clemett S. J.et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2361 PDF “Solar wind in the asteroid belt / Helium, hydrogen ions,…
Cohesion of regolith: Measurements of meteorite powdersOPEN ACCESS
Yuuya Nagaashi, Takanobu Aoki, Akiko M. Nakamura Accepted for publication in Icarus PDF (OPEN ACCESS) Update (6 February 2021): LINK “The cohesion of particles has a significant effect on the properties of small bodies. In…
Carbonaceous chondrite meteorites experienced fluid flow within the past million yearsOPEN ACCESS
Simon Turner, Lucy McGee, Munir Humayun, John Creech, Brigitte Zanda Science 08 Jan 2021:Vol. 371, Issue 6525, pp. 164-167DOI: 10.1126/science.abc8116 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials “Carbonaceous chondritic meteorites are primordial Solar System materials…
An unusual porous, cryptocrystalline forsterite chondrule in Murchison
Michael Zolensky, Tomoki Nakamura, James Martinez, Yuma Enokido Meteoritics & Planetary ScienceVersion of Record online: 28 December 2020 LINK “We describe a fragmented cryptocrystalline chondrule consisting solely of forsterite (Fo98) in the Murchison CM2 chondrite,…
Extraterrestrial hexamethylenetetramine in meteorites—a precursor of prebiotic chemistry in the inner solar systemOPEN ACCESS
Yasuhiro Oba, Yoshinori Takano, Hiroshi Naraoka, Yoshihiro Furukawa, Daniel P. Glavin, Jason P. Dworkin & Shogo Tachibana Nature Communications 11 , 1–8 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Despite extensive studies on the formation of organic…
The fall of the Murchison meteorite
Michael Zolensky, Sara Russell, Adrian Brearley Invited Review Meteoritics & Planetary ScienceVersion of Record online: 25 November 2020 LINK
UV laser‐induced fluorescence spectroscopy as a non‐destructive technique for mineral and organic detection in carbonaceous chondrites
Elizabeth A. Lymer, Michael G. Daly, Kimberly T. Tait, Veronica E. Di cecco, Emmanuel A. Lalla Meteoritics & Planetary ScienceVersion of Record online: 16 November 2020 LINK “Here, we discuss the merits of non‐destructive UV…
Carbon isotope evidence for the substrates and mechanisms of prebiotic synthesis in the early solar system
L. Chimiak, J.E. Elsila, B. Dallas, J.P. Dworkin, J.C. Aponte, A.L. Sessions, J.M. Eiler Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 September 2020 LINK “Meteorites contain prebiotic, bio-relevant organic compounds including amino…
The surprising thermal properties of CM carbonaceous chondritesOPEN ACCESS
C. P. Opeil, D. T. Britt, R. J. Macke, G. J. Consolmagno Meteoritics & Planetary ScienceVersion of Record online: 08 September 2020 LINK PDF (OPEN ACCESS) “Measurements of the low‐temperature thermodynamic and physical properties of…
Kinetics in thermal evolution of Raman spectra of chondritic organic matter to evaluate thermal history of their parent bodies
Kento Kiryu, Yoko Kebukawa, Motoko Igisu, Takazo Shibuya, Michael E. Zolensky, Kensei Kobayashi Meteoritics & Planetary ScienceVersion of Record online:04 August 2020 LINK “In order to establish kinetic expressions for Raman spectroscopic parameters of organic…
Determination of Cu, Zn, Ga, Ag, Cd, In, Sn and Tl in Geological Reference Materials and Chondrites by Isotope Dilution ICP‐MSOPEN ACCESS
Ninja Braukmüller, Frank Wombacher, Alessandro Bragagni, Carsten Münker Geostandards & Geoanalytical ResearchFirst published: 07 July 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mass fractions of Cu, Zn, Ga, Ag, Cd, In, Sn and Tl were determined…
Nanophase iron carbides in fine‐grained rims in CM2 carbonaceous chondrites: Formation of organic material by Fischer–Tropsch catalysis in the solar nebula
Adrian J. Brearley Meteoritics & Planetary ScienceVersion of Record online:07 July 2020 LINK “Transmission electron microscope studies of fine‐grained rims in three CM2 carbonaceous chondrites, Y‐791198, Murchison, and ALH 81002, have revealed the presence of…
Extraterrestrial organic compounds and cyanide in the CM2 carbonaceous chondrites Aguas Zarcas and Murchison
José C. Aponte, Hannah L. McLain, Danielle N. Simkus, Jamie E. Elsila, Daniel P. Glavin, Eric T. Parker, Jason P. Dworkin, Dolores H. Hill, Harold C. Connolly, Jr. Dante S. Lauretta Meteoritics & Planetary ScienceVersion…
Classification of CM chondrite breccias—Implications for the evaluation of samples from the OSIRIS‐REx and Hayabusa 2 missionsOPEN ACCESS
Sarah Lentfort, Addi Bischoff, Samuel Ebert, Markus Patzek Meteoritics & Planetary ScienceVersion of Record online: 25 May 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “CM chondrites are complex impact (mostly regolith) breccias, in which lithic clasts…
The effect of progressive space weathering on the organic and inorganic components of a carbonaceous chondrite
M.S. Thompson, R.V. Morris, S.J. Clemett, M.J. Loeffler, D. Trang, L.P. Keller, R. Christoffersen, D.G. Agresti Icarus In Press, Journal Pre-proof, Available online 27 March 2020 LINK “Highlights • Progressive space weathering of a carbonaceous…
A refractory inclusion with solar oxygen isotopes and the rarity of such objects in the meteorite record
Levke Kööp, Kazuhide Nagashima, Andrew M. Davis, Alexander N. Krot Meteoritics & Planetary Science First Published: 27 March 2020 LINK “NASA’s Genesis mission revealed that the Sun is enriched in 16O compared to the Earth…
Extraterrestrial amino acids and L‐enantiomeric excesses in the CM2 carbonaceous chondrites Aguas Zarcas and Murchison
Daniel P. Glavin, Jamie E. Elsila, Hannah L. McLain, José C. Aponte, Eric T. Parker, Jason P. Dworkin, Dolores H. Hill, Harold C. Connolly, Dante S. Lauretta Meteoritics & Planetary Science First Published: 25 February…
Machiite, Al2Ti3O9, a new oxide mineral from the Murchison carbonaceous chondrite: A new ultra-refractory phase from the solar nebula
Alexander N. Krot, Kazuhide Nagashima, George R. Rossman American Mineralogist (2020) 105 (2): 239–243. LINK “Machiite (IMA 2016-067), Al2Ti3O9, is a new mineral that occurs as a single euhedral crystal, 4.4 μm in size, in…
Lifetimes of interstellar dust from cosmic ray exposure ages of presolar silicon carbideOPEN ACCESS
Philipp R. Heck, Jennika Greer, Levke Kööp, Reto Trappitsch, Frank Gyngard, Henner Busemann, Colin Maden, Janaína N. Ávila, Andrew M. Davis, and Rainer Wieler PNAS, first published January 13, 2020 LINK (OPEN ACCESS) PDF (OPEN…
A quantitative evolved gas analysis for extra-terrestrial samples
A.B. Verchovsky, M. Anand, S.J. Barber, S. Sheridan, G.H. Morgan Planetary and Space Science In Press, Journal Pre-proof, Available online 30 December 2019 LINK “Highlights • The paper describes a quantitative evolve gas analysis with…
The combined Zr and Hf isotope inventory of bulk rock and sequentially leached chondrite samples
Bo-Magnus Elfers, Sprung Peter, Messling Nils, Münker Carsten Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 17 December 2019 LINK “The stepwise acid digestion of primitive chondritic meteorites allows the identification of nucleosynthetic…
The presolar grain inventory of fine‐grained chondrule rims in the Mighei‐type (CM) chondritesOPEN ACCESS
Jan Leitner, Knut Metzler, Christian Vollmer, Christine Floss, Pierre Haenecour, János Kodolányi, Dennis Harries, Peter Hoppe Meteoritics & Planetary Science LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We investigated the inventory of presolar silicate, oxide, and…
Linking mineralogy and spectroscopy of highly aqueously altered CM and CI carbonaceous chondrites in preparation for primitive asteroid sample returnOPEN ACCESS
H. C. Bates, A. J. King, K. L. Donaldson Hanna, N. E. Bowles, S. S. Russell Meteoritics & Planetary Science First Published: 19 November 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The highly hydrated, petrologic…
Organics preserved in anhydrous interplanetary dust particles: Pristine or not?OPEN ACCESS
Queenie H. S. Chan, Ian A. Franchi, Xuchao Zhao, Alice Stephant, Ian P. Wright, Conel M. O’D. Alexander Meteoritics & Planetary Science First Published: 19 November 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The chondritic‐porous…
Extraterrestrial ribose and other sugars in primitive meteoritesOPEN ACCESS
Yoshihiro Furukawa, Yoshito Chikaraishi, Naohiko Ohkouchi, Nanako O. Ogawa, Daniel P. Glavin, Jason P. Dworkin, Chiaki Abe, and Tomoki Nakamura PNAS December 3, 2019 116 (49) 24440-24445; first published November 18, 2019 LINK (OPEN ACCESS)…
Space weathering induced formation of hydrogen sulfide (H2S) and hydrogen disulfide (H2S2) in the Murchison meteorite
Cheng Zhu, Sándor Góbi, Matthew J. Abplanalp, Robert Frigge, Jeffrey J. Gillis‐Davis, Ralf I. Kaiser JGR Planets First published: 21 October 2019 LINK “Theoretical calculations and experimental simulations indicate that the surprisingly low sulfur abundance…
Formation of Interstellar C60 from Silicon Carbide Circumstellar Grains
J. J. Bernal, P. Haenecour, J. Howe, T. J. Zega, S. Amari, and L. M. Ziurys The Astrophysical Journal Letters, Volume 883, Number 2 LINK “We have conducted laboratory experiments with analog crystalline silicon carbide…
Dy, Er, and Yb isotope compositions of meteorites and their components: Constraints on presolar carriers of the rare earth elementsOPEN ACCESS
Quinn R. Shollenberger, Gregory A. Brennecka Earth and Planetary Science Letters Volume 529, 1 January 2020, 115866 LINK (OPEN ACCESS) “Highlights • We present new methods to measure Dy isotopes by MC-ICPMS. • Bulk meteorites…
Chemiosmotic energy for primitive cellular life: Proton gradients are generated across lipid membranes by redox reactions coupled to meteoritic quinonesOPEN ACCESS
Daniel Milshteyn, George Cooper & David Deamer Scientific Reports, volume 9, Article number: 12447 (2019) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Transmembrane proton gradients coupled to, and maintained by, electron transport are ubiquitous sources of…
MINERALOGY, PETROGRAPHY, AND OXYGEN ISOTOPIC COMPOSITIONS OF ULTRAREFRACTORY INCLUSIONS FROM CARBONACEOUS CHONDRITES
A.N. Krot, C. Ma, K. Nagashima, A.M. Davis, J.R. Beckett, S.B. Simon, M. Komatsu, T.J. Fagan, F. Brenker, M.A. Ivanova, A.Bischoff Geochemistry Available online 15 August 2019 LINK “We report on the mineralogy, petrography, and…
Cr isotopes in physically separated components of the Allende CV3 and Murchison CM2 chondrites: Implications for isotopic heterogeneity in the solar nebula and parent body processesOPEN ACCESS
Yogita Kadlag, Harry Becker, Andreas Harbott Meteoritics & Planetary Science First Published: 12 August 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Chromium isotopic data of physically separated components (chondrules, CAIs, variably magnetic size fractions) of…
Origin of alkylphosphonic acids in the interstellar mediumOPEN ACCESS
Andrew M. Turner, Matthew J. Abplanalp, Alexandre Bergantini, Robert Frigge, Cheng Zhu, Bing-Jian Sun, Chun-Ta Hsiao, Agnes H. H. Chang Cornelia Meinert, and Ralf I. Kaiser Science Advances 07 Aug 2019: Vol. 5, no. 8,…
Sulfur isotope study of sulfides in CI, CM, C2ung chondrites and volatile-rich clasts – evidence for different generations and reservoirs of sulfide formation
Robbin Visser, Timm John, Markus Patzek, Addi Bischoff, Martin J. Whitehouse Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 July 2019 LINK “Deciphering aspects of the solar system’s formation process and the…
Elemental and isotopic variability in solar system materials by mixing and processing of primordial disk reservoirsOPEN ACCESS
Christoph Burkhardt, Nicolas Dauphas, Ulrik Hans, Bernard Bourdon, Thorsten Kleine Accepted for publication in Geochimica et Cosmochimica Acta / published 9 July 2019 PDF (OPEN ACCESS) Update (9 July 2019): LINK (OPEN ACCESS) PDF (OPEN…
Presolar Silicon Carbide Grains of Types Y and Z: Their Molybdenum Isotopic Compositions and Stellar OriginsOPEN ACCESS
Nan Liu, Thomas Stephan, Sergio Cristallo, Roberto Gallino, Patrick Boehnke, Larry R. Nittler, Conel M. O.’D. Alexander, Andrew M. Davis, Reto Trappitsch, Michael J. Pellin, Iris Dillmann The Astrophysical Journal (Accepted) PDF (OPEN ACCESS) Update…
Organometallic compounds as carriers of extraterrestrial cyanide in primitive meteoritesOPEN ACCESS
Karen E. Smith, Christopher H. House, Ricardo D. Arevalo Jr., Jason P. Dworkin & Michael P. Callahan Nature Communications 10, 1–7 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Extraterrestrial delivery of cyanide may have been crucial…
Why is the Degree of Aqueous Alteration Variable?
K. T. Howard and B. Zanda 82nd Annual Meeting of The Meteoritical Society 2019 PDF abstract “Minerals containing water form inside of asteroids during aqueous alteration. We have quantified the range in degrees of aqueous…
Profiling Murchison Soluble Organic Matter for New Organic Compounds with APPI- and ESI-FT-ICR MSOPEN ACCESS
Jasmine Hertzog, Hiroshi Naraoka and Philippe Schmitt-Kopplin Life 2019, 9 (2), 48 LINK (OPEN ACCESS) PDF (DOWNLOAD) “The investigation of the abundant organic matter in primitive meteorite such as carbonaceous chondrites is of major interest…
Earth’s volatile element depletion pattern inherited from a carbonaceous chondrite-like source
Ninja Braukmüller, Frank Wombacher, Claudia Funk & Carsten Münker Nature Geoscience, 1–5 LINK Supplementary information (PDF) “Earth’s volatile element abundances (for example, sulfur, zinc, indium and lead) provide constraints on fundamental processes, such as planetary…
3-micron Reflectance Spectroscopy of Carbonaceous Chondrites under Asteroid-like ConditionsOPEN ACCESS
Driss Takir, Karen R. Stockstill-Cahill, Charles A. Hibbitts, Yusuke Nakauchi PDF (OPEN ACCESS) “We measured 3-μm reflectance spectraof 21 meteorites that represent all carbonaceous chondrite types available in terrestrial meteorite collections. The measurements were conducted…
A microchondrule‐bearing micrometeorite and comparison with microchondrules in CM chondrites
M. D. Suttle, M. J. Genge, T. Salge, M. R. Lee, L. Folco, T. Góral, S. S. Russell, P. Lindgren Meteoritics & Planetary Science First Published: 27 March 2019 LINK “We report the discovery of…
Nanoscale infrared imaging analysis of carbonaceous chondrites to understand organic-mineral interactions during aqueous alteration
Yoko Kebukawa, Hanae Kobayashi, Norio Urayama, Naoki Baden, Masashi Kondo, Michael E. Zolensky, and Kensei Kobayashi PNAS January 15, 2019 116 (3) 753-758 published ahead of print January 2, 2019 https://doi.org/10.1073/pnas.1816265116 LINK “Spatial relationships between…
Monitoring the Thermal Evolution of the CM Parent Body(ies) with In Situ Oxygen Isotope Analyses
L. G. Vacher, M. Piralla, L. Piani, Y. Marrocchi 50th Lunar and Planetary Science Conference (2019), Abstract #1862 PDF abstract
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…
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…
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…
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…
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…
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 •…
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…
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…
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…
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…
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…
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…
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…
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….
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,…
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…
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…
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…
Correlated silicon and titanium isotopic compositions of presolar sic grains from the Murchison CM2 chondrite
Frank Gyngard, Sachiko Amari, Ernst Zinner, Kuljeet Kaur Marhas Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 23 September 2017 LINK “We report correlated Si, and Ti isotopic compositions and elemental concentrations of…
Bonanza: An extremely large dust grain from a supernova
Frank Gyngard, Manavi Jadhav, Larry R. Nittler, Rhonda M. Stroud, Ernst Zinner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 7 September 2017 LINK “We report the morphology, microstructure, and isotopic composition of…
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…
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…
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…
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…
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…
Nanoscale Imaging Analysis of Organic-Mineral Association in the Murchison Meteorite by NanoIR
Kebukawa Y. * Kobayashi H. Baden N. Urayama N. Kobayashi K. 80th Annual Meeting of the Meteoritical Society 2017 [#6093] abstract (PDF) “We demonstrate infrared imaging analysis of a carbonaceous chondrite with less than 100…
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…
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…
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…
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…
CM2 to CM1 Iron Sulfides, from Primary Nebular to Altered Asteroidal
Singerling S. A. * Corrigan C. M. Brearley A. J. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6167] “This study synthesizes our observations of CM chondrite iron sulfides, from primary characteristics in…
