Measuring the Fidelity of Asteroid Regolith and Cobble Simulants
Philip T.Metzger, Daniel T.Britt, StephenCovey, CodySchultz, Kevin M.Cannon, Kevin D.Grossman, James G.Mantovani, Robert P.Mueller Icarus LINK “Highlights • Extraterrestrial simulants are often used inappropriately • NASA developed a “Figure of Merit” system to help end…
An aqueously altered carbon-rich Ceres
S. Marchi, A. Raponi, T. H. Prettyman, M. C. De Sanctis, J. Castillo-Rogez, C. A. Raymond, E. Ammannito, T. Bowling, M. Ciarniello, H. Kaplan, E. Palomba, C. T. Russell, V. Vinogradoff & N. Yamashita Nature…
Microimaging spectroscopy and scanning electron microscopy of Northwest Africa 8657 shergottite: Interpretation of future in situ Martian data
P. Manzari, S. De Angelis, M. C. De Sanctis, G. Agrosì, G. Tempesta Meteorit Planet Sci. . doi:10.1111/maps.13221 LINK “Microimaging spectroscopy is going to be the new frontier for validating reflectance remote sensed data from…
Nebular history of an ultrarefractory phase bearing CAI from a reduced type CV chondriteOPEN ACCESS
Takashi Yoshizaki, Daisuke Nakashima, Tomoki Nakamura, Changkun Park, Naoya Sakamoto, Hatsumi Ishida, Shoichi Itoh PDF (OPEN ACCESS) “Ultrarefractory (UR) phases in CAIs could have formed at higher T compared to common CAI minerals and thus…
Waiting to make an impact: a probable excess of near-Earth asteroids in 2018 LA-like orbitsOPEN ACCESS
C. de la Fuente Marcos,R. de la Fuente Marcos Astronomy & Astrophysics November 30, 2018 PDF (OPEN ACCESS) “The discovery and tracking of 2018 LA marks only the third instance in history that the parent…
Spinel assemblages in lunar meteorites Graves Nunataks 06157 and Dhofar 1528: Implications for impact melting and equilibration in the Moon’s upper mantle
Axel Wittmann, Randy L. Korotev, Bradley L. Jolliff, Paul K. Carpenter Meteoritics & Planetary Science First Published: 28 November 2018 LINK “Magnesium‐rich spinel assemblages occur in the two lunar vitric breccia meteorites—Dhofar (Dho) 1528 and…
Condensate refractory inclusions from the CO3.00 chondrite Dominion Range 08006: Petrography, mineral chemistry, and isotopic compositions
S.B. Simon, A.N. Krot, K. Nagashima, L. Kööp, A.M. Davis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 November 2018 LINK “We have found two refractory inclusions in the CO3.00 carbonaceous chondrite…
Shock conditions recorded in NWA 8159 martian augite basalt with implications for the impact cratering history on Mars
Tom G. Sharp, Erin L. Walton, Jinping Hu, Carl Agee Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 November 2018 LINK “NWA 8159 is an augite-rich martian basalt, formed by cooling of…
Experimental hydrothermal alteration of basaltic glass with relevance to Mars
C. Sætre, H. Hellevang, L. Riu, H. Dypvik, C. Pilorget, F. Poulet, S. C. Werner Meteorit Planet Sci. . doi:10.1111/maps.13214 LINK “Phyllosilicates, carbonates, zeolites, and sulfates on Mars give clues about the planet’s past environmental…
Intense aqueous alteration on C-type asteroids: Perspectives from giant fine-grained micrometeorites [GCA-D-18-00805]
M.D.Suttle, L.Folco, M.J.Genge, S.S.Russell, J.Najorka, M. van Ginneken Geochimica et Cosmochimica Acta LINK “This study explores the petrology of five giant (>400μm) hydrated fine-grained micrometeorites from the Transantarctic Mountain (TAM) micrometeorite collection. For the first…
Triggering Collapse of the Presolar Dense Cloud Core and Injecting Short-Lived Radioisotopes with a Shock Wave. VI. Protostar and Protoplanetary Disk FormationOPEN ACCESS
Alan P. Boss accepted by ApJ Submitted: 12 November, 2018 PDF (OPEN ACCESS) “Cosmochemical evaluations of the initial meteoritical abundance of the short-lived radioisotope (SLRI) 26Al have remained fairly constant since 1976, while estimates for…
The Volatility Trend of Protosolar and Terrestrial Elemental AbundancesOPEN ACCESS
Haiyang S. Wang, Charles H. Lineweaver, Trevor R. Ireland PDF (OPEN ACCESS) White paper submitted for community feedback. Feedback is collected at this URL. “We present new estimates of protosolar elemental abundances based on an…
Nucleosynthetic vanadium isotope heterogeneity of the early solar system recorded in chondritic meteoritesOPEN ACCESS
Sune G. Nielsen, Maureen Auro, Kevin Righter, David Davis, Julie Prytulak, Fei Wu, Jeremy D. Owens Earth and Planetary Science Letters Volume 505, 1 January 2019, Pages 131-140 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Highlights…
Making the Planetary Material Diversity During the Early Assembling of the Solar SystemOPEN ACCESS
Francesco Cristiano Pignatale, Sébastien Charnoz, Marc Chaussidon, Emmanuel Jacquet Accepted 24/10/2018, ApJL PDF (OPEN ACCESS) LINK “Chondritic meteorites, the building blocks of terrestrial planets, are made of an out-of-equilibrium assemblage of solids formed at high…
Time and Duration of Chondrule Formation: Constraints from 26Al-26Mg Ages of Individual Chondrules
J. Pape, K. Mezger, A.-S. Bouvier, L.P. Baumgartner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 October 2018 LINK “Chondrules from unequilibrated ordinary and carbonaceous chondrites belong to the oldest and most…
GEMS, hydrated chondritic IDPs, CI‐matrix material: Sources of water in 81P/comet Wild 2
Frans J. M. Rietmeijer Meteoritics & Planetary Science First published: 14 October 2018 LINK “So far there is no conclusive evidence for water in the nucleus of 81P/comet Wild 2. Recently magnetite in collected Wild…
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…
Reassessing the origin and chronology of the unique achondrite Asuka 881394: Implications for distribution of 26Al in the early Solar System
Josh Wimpenny, Matthew E. Sanborn, Piers Koefoed, Ilsa R. Cooke, Claudine Stirling, Yuri Amelin, Qing-Zhu Yin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 14 October 2018 LINK “The achondrite Asuka 881394 has…
(16) Psyche: A mesosiderite-like asteroid?OPEN ACCESS
M. Viikinkoski, P. Vernazza, J. Hanus, H. Le Coroller, K. Tazhenova, B. Carry, M. Marsset, A. Drouard, F. Marchis, R. Fetick, T. Fusco, J. Durech, M. Birlan, J. Berthier, P. Bartczak, C. Dumas, J. Castillo-Rogez,…
Spectral properties and mineral compositions of acapulcoite–lodranite clan meteorites: Establishing S‐type asteroid–meteorite connections
Michael P. Lucas, Joshua P. Emery, Takahiro Hiroi, Harry Y. McSween Meteorit Planet Sci. . doi:10.1111/maps.13203 First published: 03 October 2018 LINK “Except for asteroid sample return missions, measurements of the spectral properties of both…
MGS‐TES spectra suggest a basaltic component in the regolith of PhobosOPEN ACCESS
Timothy D. Glotch, Christopher S. Edwards, Mehmet Yesiltas, Katherine A. Shirley, Dylan S. McDougall, Alexander M. Kling, Joshua L. Bandfield, Christopher D. K. Herd Journal of Geophysical Research: Planets, 123. https://doi.org/10.1029/2018JE005647 LINK (OPEN ACCESS) PDF…
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 •…
Ancient volcanism on the Moon: Insights from Pb isotopes in the MIL 13317 and Kalahari 009 lunar meteorites
Joshua F. Snape, Natalie M. Curran, Martin J. Whitehouse, Alexander A. Nemchin, Katherine H. Joy, Tom Hopkinson, Mahesh Anand, Jeremy J. Bellucci, Gavin G. Kenny Earth and Planetary Science Letters Volume 502, 15 November 2018,…
Significant depletion of volatile elements in the mantle of asteroid Vesta due to core formation
E.S. Steenstra, D. Dankers, J. Berndt, S. Klemme, S. Matveev, W. van Westrenen Icarus Available online 5 September 2018 LINK “Highlights • Vestan mantle volatile element depletions do not only reflect degassing. • Many volatile…
The formation of Jupiter by hybrid pebble–planetesimal accretionOPEN ACCESS
Yann Alibert, Julia Venturini, Ravit Helled, Sareh Ataiee, Remo Burn, Luc Senecal, Willy Benz, Lucio Mayer, Christoph Mordasini, Sascha P. Quanz & Maria Schönbächler Nature Astronomy (2018) PDF (OPEN ACCESS) LINK “The standard model for…
On water delivery in the inner solar nebula: Monte Carlo simulations of forsterite hydrationOPEN ACCESS
Martina D’Angelo, Stephanie Cazaux, Inga Kamp, Wing-Fai Thi, Peter Woitke resubmitted to A&A PDF (OPEN ACCESS) “Endogenous or exogenous, dry or wet, various scenarios have been so far depicted for the origin of water on…
Annealing history of zircons from Apollo 14083 and 14303 impact breccias
R. T. Pidgeon, R. E. Merle, M. L. Grange, A. A. Nemchin Meteoritics & Planetary Science First published: 13 August 2018 LINK “Breccia boulders scattered around the 25 Ma Cone Crater near the Apollo 14…
Comparison of GEMS in interplanetary dust particles and GEMS‐like objects in a Stardust impact track in aerogel
Hope A. Ishii Meteoritics & Planetary Science First published: 5 August 2018 LINK “Comet 81P/Wild 2 dust, the first comet sample of known provenance, was widely expected to resemble anhydrous chondritic porous (CP) interplanetary dust…
Short-lived radioisotopes in meteorites from Galactic-scale correlated star formationOPEN ACCESS
Yusuke Fujimoto, Mark R Krumholz, Shogo Tachibana Monthly Notices of the Royal Astronomical Society https://doi.org/10.1093/mnras/sty2132 Published:06 August 2018 PDF (OPEN ACCESS) LINK “Meteoritic evidence shows that the Solar system at birth contained significant quantities of…
Silica-rich volcanism in the early solar system dated at 4.565 GaOPEN ACCESS
Poorna Srinivasan, Daniel R. Dunlap, Carl B. Agee, Meenakshi Wadhwa, Daniel Coleff, Karen Ziegler, Ryan Zeigler & Francis M. McCubbin Nature Communications 9, 3036 Published: 02 August 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) Abstract…
Radioactive nuclei from cosmochronology to habitabilityOPEN ACCESS
M. Lugaro, U. Ott, Á. Kereszturi Review published in Progress in Particle and Nuclear Physics Volume 102, September 2018, Pages 1-47 1 August 2018 PDF (OPEN ACCESS) “In addition to long-lived radioactive nuclei like U…
High early solar activity inferred from helium and neon excesses in the oldest meteorite inclusions
L. Kööp, P. R. Heck, H. Busemann, A. M. Davis, J. Greer, C. Maden, M. M. M. Meier & R. Wieler Nature Astronomy (2018) Published: 30 July 2018 LINK “Astronomical observations show that early in…
Pre-airburst Orbital Evolution of Earth’s Impactor 2018 LA: An UpdateOPEN ACCESS
C. de la Fuente Marcos,R. de la Fuente Marcos PDF (OPEN ACCESS) Accepted for publication in Research Notes of the AAS Submitted: 22 July, 2018 “Apollo meteoroid 2018 LA has become only the third natural…
A Distinct Nucleosynthetic Heritage for Early Solar System Solids Recorded by Ni Isotope Signatures
Jan Render, Gregory A. Brennecka, Shui-Jiong Wang, Laura E. Wasylenki, and Thorsten Kleine The Astrophysical Journal, Volume 862, Number 1 Published: 19 July 2018 LINK “As the earliest dated solids, calcium–aluminum-rich inclusions (CAIs) provide a…
1.34 billion-year-old magmatism on Mars evaluated from the co-genetic nakhlite and chassignite meteorites
Arya Udry, James M.D. Day Geochimica et Cosmochimica Acta Available online 12 July 2018 LINK “Nakhlite and chassignite martian meteorites have similar crystallization (1340 ± 40 Ma) and ejection (∼11 Ma) ages, and 87Rb-87Sr and…
First meteorite (17.92 g) of Botswana bolide of 2018 LA (2 June 2018) found in Central Kalahari Game Reserve, Ghanzi, Botswana
Last update: 11 July 2018 The meteorite in situ. Photo: Peter Jenniskens/Botswana International University of Science and Technology (BIUST) On 23 June, after five days of searching and on the last day of the planned…
The common origin of family and non-family asteroids
Stanley F. Dermott, Apostolos A. Christou, Dan Li, Thomas. J. J. Kehoe & J. Malcolm Robinson Nature Astronomy (2018) LINK “All asteroids are currently classified as either family, originating from the disruption of known bodies1,…
Hypervelocity cratering and disruption of the Northwest Africa 869 ordinary chondrite meteorite: Implications for crater production, catastrophic disruption, momentum transfer and dust production on asteroids
George J. Flynn, Daniel D. Durda, Emma B. Patmore, Sarah J. Jack, Mason J. Molesky, Brian A. May, Spenser N. Congram, Melissa M. Strait, Robert J. Macke Planetary and Space Science Available online 30 June…
Hydrothermal dynamics in a CM‐based model of Ceres
B. J. Travis, P. A. Bland, W. C. Feldman, M. V. Sykes Meteoritics & Planetary Science First published: 28 June 2018 doi:10.1111/maps.13138 LINK “A 2‐D numerical study of the evolution of Ceres from a “frozen…
Compositional variability on the surface of 1 Ceres revealed through GRaND measurements of high‐energy gamma raysOPEN ACCESS
Lawrence, D. J., Peplowski, P. N., Beck, A. W., Feldman, W. C., Prettyman, T. H., Russell, C. T., Toplis, M. J., Wilson, J. T., Ammannito, E. , Castillo‐Rogez, J. C., DeSanctis, M. C., Mest, S….
On the Pre-impact Orbital Evolution of 2018 LA, Parent Body of the Bright Fireball Observed over Botswana on 2018 June 2OPEN ACCESS
C. de la Fuente Marcos, R. de la Fuente Marcos Accepted for publication in Research Notes of the AAS PDF (OPEN ACCESS) “On 2018 June 2, meteoroid 2018 LA became the third natural body ever…
Basaltic material in the main belt: a tale of two (or more) parent bodies?OPEN ACCESS
S. Ieva,E. Dotto, D. Lazzaro, D. Fulvio,D. Perna, E. Mazzotta Epifani, H. Medeiros, M. Fulchignoni accepted for publication to MNRAS PDF (OPEN ACCESS) “The majority of basaltic objects in the main belt are dynamically connected…
High-temperature Ionization-induced Synthesis of Biologically Relevant Molecules in the Protosolar NebulaOPEN ACCESS
David V. Bekaert, Sylvie Derenne, Laurent Tissandier, Yves Marrocchi, Sebastien Charnoz, Christelle Anquetil, and Bernard Marty The Astrophysical Journal, Volume 859, Number 2 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Biologically relevant molecules (hereafter biomolecules) have…
Jupiter’s influence on the building blocks of Mars and EarthOPEN ACCESS
R. Brasser, N. Dauphas, S. J. Mojzsis Accepted for publication in GRL PDF (OPEN ACCESS) Radiometric dating indicates that Mars accreted in the first ~4 Myr of solar system formation, which coincides with the formation…
Chronology of martian breccia NWA 7034 and the formation of the martian crustal dichotomyOPEN ACCESS
William S. Cassata, Benjamin E. Cohen, Darren F. Mark, Reto Trappitsch, Carolyn A. Crow, Joshua Wimpenny, Martin R. Lee, Caroline L. Smith Science Advances 23 May 2018: Vol. 4, no. 5, eaap8306 DOI: 10.1126/sciadv.aap8306 LINK…
Sulfur isotope signatures of eucrites and diogenites
Nanping Wu, James Farquhar, James W. Dottin III, Nivea Magalhães Geochimica et Cosmochimica Acta, Volume 233,15 July 2018,Pages 1-13 LINK “High precision sulfur isotope data on eight eucrites and two diogenites are reported to explore…
Basalt or not? Near-infrared spectra, surface mineralogical estimates, and meteorite analogs for 33 Vp-type asteroidsOPEN ACCESS
Paul S. Hardersen, Vishnu Reddy, Edward Cloutis, Matt Nowinski, Margaret Dievendorf, Russell M. Genet, Savan Becker, Rachel Roberts PDF (OPEN ACCESS) “Investigations of the main asteroid belt and efforts to constrain that population’s physical characteristics…
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…
Discovery of moganite in a lunar meteorite as a trace of H2O ice in the Moon’s regolithOPEN ACCESS
Masahiro Kayama, Naotaka Tomioka, Eiji Ohtani, Yusuke Seto, Hiroshi Nagaoka, Jens Götze, Akira Miyake, Shin Ozawa, Toshimori Sekine, Masaaki Miyahara, Kazushige Tomeoka, Megumi Matsumoto, Naoki Shoda, Naohisa Hirao, Takamichi Kobayashi Science Advances 02 May 2018:…
The delivery of water by impacts from planetary accretion to presentOPEN ACCESS
R. Terik Daly, Peter H. Schultz Science Advances 25 Apr 2018: Vol. 4, no. 4, eaar2632 DOI: 10.1126/sciadv.aar2632 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Dynamical models and observational evidence indicate that water-rich asteroids and comets…
The ungrouped achondrite Northwest Africa (NWA) 7325: Spectral reflectance properties and implications for parent body identification
Edward A. Cloutis, Vishnu Reddy, David T. Blewett Icarus In Press, Available online 24 April 2018 LINK “Highlights • the ungrouped achondrite NWA 7325 has been spectrally characterized • NWA 7325 reflectance spectra show diagnostic…
Ambient and cold‐temperature infrared spectra and XRD patterns of ammoniated phyllosilicates and carbonaceous chondrite meteorites relevant to Ceres and other solar system bodiesOPEN ACCESS
Bethany L. Ehlmann, Robert Hodyss, Thomas F. Bristow, George R. Rossman, Eleonora Ammannito, M. Cristina De Sanctis, Carol A. Raymond Meteorit Planet Sci. . doi:10.1111/maps.13103 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Mg‐phyllosilicate‐bearing, dark surface materials…
New Constraints on the Abundance of 60 Fe in the Early Solar System
Reto Trappitsch, Patrick Boehnke, Thomas Stephan, Myriam Telus, Michael R. Savina, Olivia Pardo, Andrew M. Davis, Nicolas Dauphas, Michael J. Pellin, and Gary R. Huss The Astrophysical Journal Letters, Volume 857, Number 2 LINK “Establishing…
Meteor showers from active asteroids and dormant comets in near-Earth space: a reviewOPEN ACCESS
Quan-Zhi Ye Planetary and Space Science in press PDF (OPEN ACCESS) “Small bodies in the solar system are conventionally classified into asteroids and comets. However, it is recently found that a small number of objects…
Origin of Phobos and Deimos by the impact of a Vesta-to-Ceres sized body with MarsOPEN ACCESS
Robin Canup and Julien Salmon Science Advances 18 Apr 2018: Vol. 4, no. 4, eaar6887 DOI: 10.1126/sciadv.aar6887 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “It has been proposed that Mars’ moons formed from a disk produced…
A large planetary body inferred from diamond inclusions in a ureilite meteoriteOPEN ACCESS
Farhang Nabiei, James Badro, Teresa Dennenwaldt, Emad Oveisi, Marco Cantoni, Cécile Hébert, Ahmed El Goresy, Jean-Alix Barrat & Philippe Gillet Nature Communications, Volume 9, Article number: 1327 (2018) doi:10.1038/s41467-018-03808-6 LINK (OPEN ACCESS) PDF (OPEN ACCESS)…
Identification of meteorite source regions in the solar systemOPEN ACCESS
Mikael Granvik, Peter Brown Icarus Available online 14 April 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Over the past decade there has been a large increase in the number of automated camera networks that monitor…
Reflectance spectra of synthetic Fe-free ortho- and clinoenstatites in the UV/VIS/IR and implications for remote sensing detection of Fe-free pyroxenes on planetary surfaces
Kathrin Markus, Lyuba Moroz, Gabriele Arnold, Daniela Henckel, Harald Hiesinger, Arno Rohrbach, Klemme Stephan Planetary and Space Science Available online 11 April 2018 LINK “Highlights • Even extremely Fe-poor pyroxenes show deep ultraviolet absorption bands….
Ceres’ spectral link to carbonaceous chondrites — Analysis of the dark background materials
Michael Schäfer, Tanja Schäfer, Matthew R. M. Izawa, Edward A. Cloutis, Stefan E. Schröder, Thomas Roatsch, Frank Preusker, Katrin Stephan, Klaus‐Dieter Matz Meteorit Planet Sci. . doi:10.1111/maps.13079 LINK “Ceres’ surface has commonly been linked with…
High-precision Al–Mg isotopic systematics in USNM 3898 – The benchmark “ALL” for initial 87Sr/86Sr in the earliest Solar System
G.J. MacPherson, C. Defouilloy, N.T. Kita Earth and Planetary Science Letters Volume 491, 1 June 2018, Pages 238–243 Available online 6 April 2018 LINK “Highlights • The CAI USNM 3898 ≡ ALL, the lowest measured…
Chlorine isotopic compositions of apatite in Apollo 14 rocks: Evidence for widespread vapor-phase metasomatism on the lunar nearside ∼4 billion years ago
Nicola J. Potts, Jessica J. Barnes, Romain Tartèse, Ian A. Franchi, Mahesh Anand Geochimica et Cosmochimica Acta In Press, Available online 5 April 2018 LINK “Compared to most other planetary materials in the Solar System,…
Apollo 12 breccia 12013: Impact-induced partial Pb loss in zircon and its implications for lunar geochronology
F. Thiessen, A.A. Nemchin, J.F. Snape, J.J. Bellucci, M.J. Whitehouse Geochimica et Cosmochimica Acta In Press, Available online 5 April 2018 LINK “Apollo 12 breccia 12013 is composed of two portions, one grey in colour,…
The late accretion and erosion of Vesta’s crust recorded by eucrites and diogenites as an astrochemical window into the formation of Jupiter and the early evolution of the Solar SystemOPEN ACCESS
D. Turrini, V. Svetsov, G. Consolmagno, S. Sirono, M. Jutzi Icarus In Press, Available online 4 April 2018 LINK PDF (OPEN ACCESS) “Highlights • The eucrites and diogenites are differentiated meteorites whose genetic link with…
Thermal evolution and sintering of chondritic planetesimals IV. Temperature dependence of heat conductivity of asteroids and meteoritesOPEN ACCESS
Hans-Peter Gail, Mario Trieloff Update (30 July 2018):LINK PDF (OPEN ACCESS) “Understanding the compaction and differentiation of the planetesimals and protoplanets from the Asteroid Belt and the terrestrial planet region of the Solar System requires…
Projectile preservation during oblique hypervelocity impacts
Daly, R. T. and Schultz, P. H. Meteorit Planet Sci. . doi:10.1111/maps.13081 LINK “Impact angle plays a significant role in determining the fate of the projectile. In this study, we use a suite of hypervelocity…
Oxygen isotopic evidence for accretion of Earth’s water before a high-energy Moon-forming giant impactOPEN ACCESS
By Richard C. Greenwood, Jean-Alix Barrat, Martin F. Miller, Mahesh Anand, Nicolas Dauphas, Ian A. Franchi, Patrick Sillard, Natalie A. Starkey Science Advances 28 Mar 2018: Vol. 4, no. 3, eaao5928 DOI: 10.1126/sciadv.aao5928 LINK (OPEN…
Hapke mixture modeling applied to VNIR spectra of mafic mineral mixtures and shergottites: Implications for quantitative analysis of satellite dataOPEN ACCESS
Jennifer K., Harris Peter, M. Grindrod Meteoritics & Planetary Science First published: 24 March 2018 https://doi.org/10.1111/maps.13065 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The mineralogy of Mars is well understood on a qualitative level at a…
Isotopic evolution of the protoplanetary disk and the building blocks of Earth and the Moon
Martin Schiller, Martin Bizzarro & Vera Assis Fernandes Nature volume 555, pages 507–510 (22 March 2018) doi:10.1038/nature25990 LINK “Nucleosynthetic isotope variability among Solar System objects is often used to probe the genetic relationship between meteorite…
The oldest magnetic record in our solar system identified using nanometric imaging and numerical modelingOPEN ACCESS
Jay Shah, Wyn Williams, Trevor P. Almeida, Lesleis Nagy, Adrian R. Muxworthy, András Kovács, Miguel A. Valdez-Grijalva, Karl Fabian, Sara S. Russell, Matthew J. Genge & Rafal E. Dunin-Borkowski Nature Communications, Volume 9, Article number:…
Ceres internal structure from geophysical constraints
King, S. D., Castillo-Rogez, J. C., Toplis, M. J., Bland, M. T., Raymond, C. A. and Russell, C. T. Meteorit Planet Sci. doi:10.1111/maps.13063 LINK “Thermal evolution modeling has yielded a variety of interior structures for…
Nature, formation, and distribution of carbonates on CeresOPEN ACCESS
Filippo Giacomo Carrozzo, Maria Cristina De Sanctis, Andrea Raponi, Eleonora Ammannito, Julie Castillo-Rogez, Bethany L. Ehlmann, Simone Marchi, Nathaniel Stein, Mauro Ciarniello, Federico Tosi, Fabrizio Capaccioni, Maria Teresa Capria, Sergio Fonte, Michelangelo Formisano, Alessandro Frigeri,…
Variations in the amount of water ice on Ceres’ surface suggest a seasonal water cycleOPEN ACCESS
Andrea Raponi, Maria Cristina De Sanctis, Alessandro Frigeri, Eleonora Ammannito, Mauro Ciarniello, Michelangelo Formisano, Jean-Philippe Combe, Gianfranco Magni, Federico Tosi, Filippo Giacomo Carrozzo, Sergio Fonte, Marco Giardino, Steven P. Joy, Carol A. Polanskey, Marc D….
The Surface Composition of Ceres from the Dawn Mission
Thomas B. McCord, Francesca Zambon Icarus Available online 14 March 2018 LINK “Highlights • This article provides the context for “Ceres mineralogical mapping special issue”; • We describe the global mineralogy of Ceres; • A…
Uranium isotope ratios of Muonionalusta troilite and complications for the absolute age of the IVA iron meteorite core
Gregory A. Brennecka, Yuri Amelin, Thorsten Kleine Earth and Planetary Science Letters Volume 490, 15 May 2018, Pages 1–10 LINK “Highlights • Muonionalusta troilite exhibits a range of measured 238U/235U values. • Variable 238U/235U greatly…
Short-lived radioisotopes in meteorites from Galactic-scale correlated star formationOPEN ACCESS
Yusuke Fujimoto, Mark R. Krumholz, Shogo Tachibana Submitted to MNRAS. Comments welcome. PDF (OPEN ACCESS) “Meteoritic evidence shows that the Solar system at birth contained significant quantities of short-lived radioisotopes (SLRs) such as 60Fe (with…
Isotopic Dichotomy among Meteorites and Its Bearing on the Protoplanetary Disk
Edward R. D. Scott, Alexander N. Krot, and Ian S. Sanders The Astrophysical Journal, Volume 854, Number 2 LINK “Whole rock Δ17O and nucleosynthetic isotopic variations for chromium, titanium, nickel, and molybdenum in meteorites define…
Enstatite chondrites EL3 as building blocks for the Earth: The debate over the 146Sm–142Nd systematics
M. Boyet, A. Bouvier, P. Frossard, T. Hammouda, M. Garçon, A. Gannoun Earth and Planetary Science Letters Volume 488, 15 April 2018, Pages 68–78 LINK “Highlights • Here we present the first high precision Nd…
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…
Origins of mass-dependent and mass-independent Ca isotope variations in meteoritic components and meteorites
K.R. Bermingham, N. Gussone, K. Mezger, J. Krause In Press, Accepted Manuscript, Available online 8 February 2018 LINK “The Ca isotope composition of meteorites and their components may vary due to mass-dependent and/or -independent isotope…
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,…
Extending the Mudball Model to Other Chondrite Groups
P. A. Bland, B. J. Travis 49th Lunar and Planetary Science Conference (2018), Abstract #2911 abstract
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
Genealogy of IVA Iron and Pallasite Meteorites: The Implications for Planestimal Differentiation Processes in the Early Solar System
M. E. Sanborn, Q.-Z. Yin, K. Ziegler 49th Lunar and Planetary Science Conference (2018), Abstract #1780 abstract
Early Differentiation in the Carbonaceous Chondrite Forming Region of the Solar Nebula: New Insight from the Achondrites Northwest Africa 7680/6962
M. E. Sanborn, Q.-Z. Yin, B. C. Hyde, K. T. Tait, D. E. Moser 49th Lunar and Planetary Science Conference (2018), Abstract #2296 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
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
Molybdenum Isotopic Evidence for a Distal Formation of Refractory Inclusions
G. A. Brennecka, C. Burkhardt, F. Nimmo, T. S. Kruijer, T. Kleine 49th Lunar and Planetary Science Conference (2018), Abstract #2429 PDF
Exogenous origin of hydration on asteroid (16) Psyche: The role of hydrated asteroid familiesOPEN ACCESS
C. Avdellidou, M. Delbo’, A. Fienga Accepted for publication in MNRAS PDF (OPEN ACCESS) “Asteroid (16) Psyche, that for long was the largest M-type with no detection of hydration features in its spectrum, was recently…
The Origins of Asteroidal Rock Disaggregation: Interplay of Thermal Fatigue and Microstructure
Kavan Hazeli,Charles El Mir, Stefanos Papanikolaou, Marco Delbo, K.T. Ramesh Icarus Available online 25 December 2017 LINK “The distributions of size and chemical composition in regolith on airless bodies provide clues to the evolution of…
Triggered Star Formation inside the Shell of a Wolf–Rayet Bubble as the Origin of the Solar SystemOPEN ACCESS
Vikram V. Dwarkadas, Nicolas Dauphas, Bradley Meyer, Peter Boyajian, and Michael Bojazi The Astrophysical Journal, Volume 851, Number 2 PDF (OPEN ACCESS) LINK “A critical constraint on solar system formation is the high 26Al/27Al abundance…
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…
On the impact origin of Phobos and Deimos III: resulting composition from different impactorsOPEN ACCESS
Francesco C. Pignatale, Sebastien Charnoz, Pascal Rosenblatt, Ryuki Hyodo, Tomoki Nakamura, Hidenori Genda Accepted for publication in ApJ (13/12/2017) PDF (OPEN ACCESS) “The origin of Phobos and Deimos in a giant impact generated disk is…
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…
Search for sulfates on the surface of Ceres
Bu, C., Rodriguez Lopez, G., Dukes, C. A., Ruesch, O., McFadden, L. A. and Li, J.-Y. Meteoritics & Planetary Science. doi: 10.1111/maps.13024 LINK “The formation of hydrated salts is an expected consequence of aqueous alteration…
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…
Collisional stripping of planetary crustsOPEN ACCESS
Philip J. Carter, Zoë M. Leinhardt, Tim Elliott, Sarah T. Stewart, Michael J. Walter Accepted for publication in EPSL PDF (OPEN ACCESS) “Geochemical studies of planetary accretion and evolution have invoked various degrees of collisional…
Percolative core formation in planetesimals enabled by hysteresis in metal connectivity
Soheil Ghanbarzadeh, Marc A. Hesse, and Maša Prodanović PNAS 2017 ; published ahead of print December 4, 2017 doi: 10.1073/pnas.1707580114 LINK “Significance It has long been thought that percolative core formation is prevented by high…
Heterogeneous delivery of silicate and metal to the Earth by large planetesimalsOPEN ACCESS
S. Marchi, R. M. Canup & R. J. Walker Nature Geoscience (2017) doi:10.1038/s41561-017-0022-3 Published online: 04 December 2017 LINK (OPEN ACCESS) “After the Moon’s formation, Earth experienced a protracted bombardment by leftover planetesimals. The mass…
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…
Carbon-rich dust in comet 67P/Churyumov-Gerasimenko measured by COSIMA/Rosetta
UPDATE (24 January 2018) Errata: Searching for calcium-aluminum-rich inclusions in cometary particles with Rosetta/COSIMA LINK Anaïs Bardy, Donia Baklouti, Hervé Cottin, Nicolas Fray, Christelle Briois, John Paquette, Oliver Stenzel, Cécile Engrand, Henning Fischer, Klaus Hornung,…
Laboratory spectroscopy of meteorite samples at UV-vis-NIR wavelengths: Analysis and discrimination by principal components analysisOPEN ACCESS
Antti Penttilä, Julia Martikainen, Maria Gritsevich, Karri Muinonen Journal of Quantitative Spectroscopy and Radiative Transfer, Volume 206, February 2018, Pages 189-197 LINK Update (16 February 2018): PDF (OPEN ACCESS) “Highlights • Meteorite samples are measured…
Aeolis Mons and Aeolis Palus meteorites on Mars registered in Meteoritical Bulletin Database
Aeolis Mons 001 -4.70156176, 137.3560462 Mars Find: 2016 Oct 30 Classification: Iron meteorite History: The MSL rover Curiosity observed a very small rock informally named Egg Rock (Henceforth Aeolis Mons 001), on sol 1505. The…
Long-term evolution of the heliospheric magnetic field intensity inferred from cosmogenic 44Ti activity in meteorites
S. Mancuso, C. Taricco, P. Colombetti, S. Rubinetti, N. Sinha, N. Bhandari A&A, Forthcoming article Received: 04 January 2017 / Accepted: 17 November 2017 DOI: https://doi.org/10.1051/0004-6361/201730392 LINK
Branching Ratios in Vacuum Ultraviolet Photodissociation of CO and N2: Implications for Oxygen and Nitrogen Isotopic Compositions of the Solar Nebula
Xiaoyu Shi, Qing-Zhu Yin, Hong Gao, Yih-Chung Chang, William M. Jackson, Roger C. Wiens, and Cheuk-Yiu Ng The Astrophysical Journal, Volume 850, Number 1 Published 2017 November 15 LINK “NASA’s Genesis mission reveals that the…
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…
Late accretion to the Moon recorded in zircon (U-Th)/He thermochronometryOPEN ACCESS
Nigel M. Kelly, Rebecca M. Flowers, James R. Metcalf, Stephen J. Mojzsis PDF (OPEN ACCESS) Update (20 Nov 2017): LINK “We conducted zircon (U-Th)/He (ZHe) analysis of lunar impact-melt breccia 14311 with the aim of…
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…
On the history of the early meteoritic bombardment of the Moon: was there a terminal lunar cataclysm?
Greg Michael, Alexander Basilevsky, Gerhard Neukum Icarus In Press, Accepted Manuscript, Available online 4 November 2017 LINK “Highlights • Statistics of 269 K-Ar datings of lunar highland returned samples are reviewed. • These are compared…
CASTAway: An Asteroid Main Belt Tour and SurveyOPEN ACCESS
N. E. Bowles,C. Snodgrass,A Gibbings,J. P. Sanchez,J. A. Arnold,P. Eccleston,T. Andert,A. Probst,G. Naletto,A. C. Vandaele,J. de Leon,A. Nathues,I. R. Thomas,N. Thomas,L. Jorda,V. Da Deppo,H. Haack,S. F. Green,B. Carry,K. L. Donaldson Hanna,J. Leif Jorgensen,A. Kereszturi,F. E….
Silicate Earth’s missing niobium may have been sequestered into asteroidal cores
Carsten Münker, Raúl O. C. Fonseca & Toni Schulz Nature Geoscience doi:10.1038/ngeo3048 LINK “Geochemical models describing the behaviour of niobium during Earth’s growth rely on the general paradigm that niobium was delivered by Earth’s asteroidal…
Chromium isotopic homogeneity between the Moon, the Earth, and enstatite chondritesOPEN ACCESS
Bérengère Mougel, Frédéric Moynier, Christa Göpel Earth and Planetary Science Letters Volume 481, 1 January 2018, Pages 1-8 LINK UPDATE (8 Dec 2017): PDF (OPEN ACCESS) “Highlights • The first Cr isotopic estimate (ε53ε53Cr and…
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…
Meteorite constraints on Martian atmospheric loss and paleoclimate
William S. Cassata Earth and Planetary Science Letters Volume 479, 1 December 2017, Pages 322–329 LINK “Highlights • Two ancient Martian meteorites host a common trapped atmospheric noble gas component. • The Xe isotopes provide…
Taking the pulse of Mars via dating of a plume-fed volcanoOPEN ACCESS
Benjamin E. Cohen, Darren F. Mark, William S. Cassata, Martin R. Lee, Tim Tomkinson & Caroline L. Smith Nature Communications 8, Article number: 640 (2017) doi:10.1038/s41467-017-00513-8 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Mars hosts the…
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…
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)…
Carbon isotopic variation in ureilites: Evidence for an early, volatile-rich Inner Solar System
Jean-Alix Barrat, Pierre Sansjofre, Akira Yamaguchi, Richard C. Greenwood, Philippe Gillet Earth and Planetary Science Letters Volume 478, 15 November 2017, Pages 143–149 Available online 19 September 2017 LINK “Highlights • δ13C in ureilites correlate…
Basalt–trachybasalt samples in Gale Crater, MarsOPEN ACCESS
Edwards, P. H., Bridges, J. C., Wiens, R., Anderson, R., Dyar, D., Fisk, M., Thompson, L., Gasda, P., Filiberto, J., Schwenzer, S. P., Blaney, D. and Hutchinson, I. Meteorit Planet Sci. doi:10.1111/maps.12953 LINK (OPEN ACCESS)…
The empty primordial asteroid beltOPEN ACCESS
Sean N. Raymond, Andre Izidoro Science Advances 13 Sep 2017: Vol. 3, no. 9, e1701138 DOI: 10.1126/sciadv.1701138 LINK (OPEN ACCESS) PDF (OPEN ACCESS) PDF (OPEN ACCESS) (authors’ version) Blog post by S.N. Raymond “The asteroid…
The ungrouped chondrite El Médano 301 and its comparison with other reduced ordinary chondrites
Hamed Pourkhorsandi, Jérôme Gattacceca, Bertrand Devouard, Massimo D’Orazio, Pierre Rochette, Pierre Beck, Corinne Sonzogni, Millarca Valenzuela Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 September 2017 LINK “El Médano 301 (EM 301)…
Differentiation and magmatic activity in Vesta evidenced by 26Al-26Mg dating in eucrites and diogenitesOPEN ACCESS
G. Hublet, V. Debaille, J. Wimpenny, Q-Z. Yin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 September 2017 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The 26Al-26Mg short-lived chronometer has been widely used…
Thermal evolution of trans-Neptunian objects, icy satellites, and minor icy planets in the early solar system
Bhatia, G. K. and Sahijpal, S. Meteoritics & Planetary Science. doi: 10.1111/maps.12952 First published: 8 September 2017 LINK “Numerical simulations are performed to understand the early thermal evolution and planetary scale differentiation of icy bodies…
Identification of a primordial asteroid family constrains the original planetesimal population
Marco Delbo, Kevin Walsh, Bryce Bolin, Chrysa Avdellidou, Alessandro Morbidelli Science 08 Sep 2017: Vol. 357, Issue 6355, pp. 1026-1029 DOI: 10.1126/science.aam6036 LINK “A quarter of known asteroids is associated with more than 100 distinct…
Impact characteristics of different rocks in a pulsed-laser irradiation experiment: Simulation of micrometeorite bombardment on the Moon
Wu, Yanxue; Li, Xiongyao; Yao, Wenqing; Wang, Shijie Journal of Geophysical Research: Planets, 122. https://doi.org/10.1002/2016JE005220 LINK “Without the protection of the atmosphere, the soils on lunar surfaces undergo a series of optical, physical, and chemical…
Hydrocode modeling of the spallation process during hypervelocity impacts: Implications for the ejection of Martian meteoritesOPEN ACCESS
Kosuke Kurosawa, Takaya Okamoto, Hidenori Genda accepted for publication in Icarus PDF (OPEN ACCESS) “Hypervelocity ejection of material by impact spallation is considered a plausible mechanism for material exchange between two planetary bodies. We have…
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…
Effects of Chemistry on Vertical Dust Motion in Early Protoplanetary DisksOPEN ACCESS
Yoshinori Miyazaki, Jun Korenaga Submitted for Publication in The Astrophysical Journal PDF (OPEN ACCESS)
A Lower Limit of Atmospheric Pressure on Early Mars Inferred from Nitrogen and Argon Isotopic Compositions
Hiroyuki Kurokawa, Kosuke Kurosawa, Tomohiro Usui Icarus In Press, Accepted Manuscript, Available online 24 August 2017 LINK “Highlights • Isotopic composition of early atmosphere recorded in ALH 84001 has been reported • Taking escape/replenishment processes…
Pb-Pb ages of feldspathic clasts in two Apollo 14 breccia samples
A.A. Nemchin, H. Jeon, J.J. Bellucci, N.E. Timms, J.F. Snape, M.R. Kilburn, M.J. Whitehouse Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 19 August 2017 LINK “Pb-Pb isochron ages of ca. 3.92 Ga…
The stardust abundance in the local interstellar cloud at the birth of the Solar System
Peter Hoppe, Jan Leitner & János Kodolányi Nature Astronomy (2017) doi:10.1038/s41550-017-0215-0 Published online: 14 August 2017 LINK “Primitive Solar System materials, such as certain types of meteorites, interplanetary dust particles and cometary matter, contain small…
A two-billion-year history for the lunar dynamoOPEN ACCESS
Sonia M. Tikoo, Benjamin P. Weiss, David L. Shuster, Clément Suavet, Huapei Wang and Timothy L. Grove Science Advances 09 Aug 2017: Vol. 3, no. 8, e1700207 DOI: 10.1126/sciadv.1700207 LINK (OPEN ACCESS) PDF (OPEN ACCESS)…
Tungsten isotopes and the origin of the Moon
Thomas S. Kruijer, Thorsten Kleine Earth and Planetary Science Letters Volume 475, 1 October 2017, Pages 15–24 LINK “Highlights • There are no resolvable radiogenic 182W variations within the Moon. • implying that lunar differentiation…
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…
Titanium isotopes and rare earth patterns in CAIs: evidence for thermal processing and gas-dust decoupling in the protoplanetary disk
Andrew M. Davis, Junjun Zhang, Nicolas D. Greber, Jingya Hu, François L.H. Tissot, Nicolas Dauphas Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 July 2017 LINK “Titanium isotopic compositions (mass-dependent fractionation and…
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…
On the Impact Origin of Phobos and Deimos I: Thermodynamic and Physical AspectsOPEN ACCESS
Ryuki Hyodo, Hidenori Genda, Sébastien Charnoz, Pascal Rosenblatt Accepted for publication in ApJ, Available online 21 July 2017 PDF (OPEN ACCESS) “Phobos and Deimos are the two small moons of Mars. Recent works have shown…
The early differentiation of Mars inferred from Hf–W chronometry
Thomas S. Kruijer, Thorsten Kleine, Lars E. Borg, Gregory A. Brennecka, Anthony J. Irving, Addi Bischoff, Carl B. Agee Earth and Planetary Science Letters In Press, Corrected Proof, Available online 20 July 2017 LINK “Highlights…
Pb isotopes in the impact melt breccia 66095: Association with the Imbrium basin and the isotopic composition of lithologies at the Apollo 16 landing site
Joshua F. Snape, Alexander A. Nemchin, Jeremy J. Bellucci, Martin J. Whitehouse Chemical Geology In Press, Accepted Manuscript, Available online 19 July 2017 LINK “Recent in situ Secondary Ion Mass Spectrometry (SIMS) Pb isotope analyses…
Assessing the shock state of the lunar highlands: Implications for the petrogenesis and chronology of crustal anorthositesOPEN ACCESS
J. F. Pernet-Fisher, K. H. Joy, D. J. P. Martin & K. L. Donaldson Hanna Scientific Reports 7, Article number: 5888 (2017) doi:10.1038/s41598-017-06134- LINK “Our understanding of the formation and evolution of the primary lunar…
A Martian origin for the Mars Trojan asteroidsOPEN ACCESS
D. Polishook, S. A. Jacobson, A. Morbidelli & O. Aharonson Nature Astronomy 1, Article number: 0179 (2017) doi:10.1038/s41550-017-0179 LINK Updated (3 Oct 2017): PDF “Seven of the nine known Mars Trojan asteroids belong to an…
