Early accretion of planetesimals unraveled by the thermal evolution of the parent bodies of magmatic iron meteorites
Edouard Kaminski, Angela Limare, Balthasar Kenda, Marc Chaussidon Earth and Planetary Science LettersVolume 548, 15 October 2020, 116469 LINK “Highlights • Hf/W ages of magmatic iron meteorites define a common thermal evolution.• We propose a…
PULI ILKARINGURU meeteorite fall (H5, 18 November 2019) on the Nullarbor Plain, Western Australia
Last update: 30 May 2023 Curtin University press release (30 July 2020) The Desert Fireball Network (30 July 2020) Puli Ilkaringuru, Fall on 18 November 2019 On 29 May 2023 the meteorite fall was added…
On the Origin and Evolution of the Material in 67P/Churyumov-GerasimenkoOPEN ACCESS
Martin Rubin, Cécile Engrand, Colin Snodgrass, Paul Weissman, Kathrin Altwegg, Henner Busemann, Alessandro Morbidelli & Michael Mumma Space Science Reviews, Volume 216, Article number: 102 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Primitive objects like comets…
Volatile Sample Return in the Solar SystemOPEN ACCESS
Stefanie N. Milam, Jason P. Dworkin, Jamie E. Elsila, Daniel P. Glavin, Perry A. Gerakines, Julie L. Mitchell, Keiko Nakamura-Messenger, Marc Neveu, Larry Nittler, James Parker, Elisa Quintana, Scott A. Sandford, Joshua E. Schlieder, Rhonda…
Origin of Large Meteoritic SiC Stardust Grains in Metal-rich AGB Stars
Maria Lugaro, Borbála Cseh, Blanka Világos, Amanda I. Karakas, Paolo Ventura, Flavia Dell’Agli, Reto Trappitsch, Melanie Hampel, Valentina D’Orazi, Claudio B. Pereira, Giuseppe Tagliente, Gyula M. Szabó, Marco Pignatari, Umberto Battino, Ashley Tattersall, Mattias Ek,…
CV chondrites: More than one parent body
J. Gattacceca, L. Bonal, C. Sonzogni, J. Longerey Earth and Planetary Science LettersVolume 547, 1 October 2020, 116467First available on 28 July 2020 LINK “Highlights • CV chondrites are classically separated in three subgroups (CVOxA,…
The Ries-Steinheim crater pair and two major earthquakes – New discoveries challenging the double-impact theoryOPEN ACCESS
Elmar Buchner, Volker Sach, Martin Schmieder Naturepreprint, under reviewPosted 27 Jul, 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Nördlinger Ries and the Steinheim Basin are widely perceived as a Middle Miocene impact crater doublet. We…
Potassium isotope systematics of the LL4 chondrite Hamlet: Implications for chondrule formation and alteration
Piers Koefoed, Olga Pravdivtseva, Heng Chen, Carina Gerritzen, Maxwell M. Thiemens, Kun Wang Meteoritics & Planetary ScienceVersion of Record online:27 July 2020 LINK “Here, we apply recently developed high‐precision K isotope analyses to individual components…
Aluminum-26 Enrichment in the Surface of Protostellar Disks Due to Protostellar Cosmic RaysOPEN ACCESS
Brandt A. L. Gaches, Stefanie Walch, Stella S. R. Offner, Carsten Münker The Astrophysical Journal, Volume 898, Number 1Published 2020 July 27 PDF (OPEN ACCESS) LINK “The radioactive decay of aluminum-26 (26Al) is an important…
The noble gases in five ordinary chondrites from Grove Mountains in Antarctica
Ying Wang, Huaiyu He, Ingo Leya, P.M. Ranjith, Fei Su, P.C. Stephenson, Chuantong Zhang, Dewen Zhenge Planetary and Space ScienceAvailable online 26 July 2020, 105045 LINK “Highlights • Two Antarctic L chondrites GRV023149 and GRV052243…
Effect of impact shock on extremophilic Halomonas gomseoemensis EP-3 isolated from hypersaline sulphated lake Laguna de Peña Hueca, Spain
R. Thombre, F. Gomez, R. Parkhe, K. Kaur, P. Vaishampayan, E. Shivakarthik, B. Sivaraman, R.Perumal, N. Mason Planetary and Space ScienceAvailable online 26 July 2020, 105041 LINK “Highlights • First report on effect of shock…
NEMO – The NEar real-time MOnitoring system – Harvesting information online for a fireball monitoring and alert system
Theresa Ott, Esther Drolshagen, Detlef Koschny, Gerhard Drolshagen, Christoph Pilger, Pierrick Mialle, Jeremie Vaubaillon, Björn Poppe Acta AstronauticaAvailable online 25 July 2020 LINK “Highlights • NEMO is an information collection and distribution system for bright…
Meteorite evidence for partial differentiation and protracted accretion of planetesimalsOPEN ACCESS
Clara Maurel, James F. J. Bryson, Richard J. Lyons, Matthew R. Ball, Rajesh V. Chopdekar, Andreas Scholl, Fred J. Ciesla, William F. Bottke, Benjamin P. Weiss Science Advances 24 Jul 2020:Vol. 6, no. 30, eaba1303DOI:…
Noble gases and nitrogen in metal from the ordinary chondrites Katol (L6), Itawa Bhopji (L3-5) and Portales Valley (H6)
Ramakant R. Mahajan Astrophysics and Space Science, Volume 365, Article number: 130 (2020) LINK “This is the first report of coupled noble gases (He, Ne, Ar, Kr and Xe) and nitrogen isotopic results in metal…
Comparing the reflectivity of ungrouped carbonaceous chondrites with those of short-period comets like 2P/EnckeOPEN ACCESS
Safoura Tanbakouei, Josep M. Trigo-Rodríguez, Jürgen Blum, Iwan Williams, Jordi Llorca Astronomy & Astrophysics, manuscript, 22 July 2020 PDF (OPEN ACCESS) “The existence of asteroid complexes produced by the disruption of these comets suggests that…
Color Cathodoluminescence and minor element zonation of forsterite in Mukundpura chondriteOPEN ACCESS
Shivani BALIYAN, Dwijesh RAY Journal of Mineralogical and Petrological SciencesReleased: July 22, 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mukundpura is a carbonaceous chondrite (CM2) recently fell in Rajasthan, India (June 6, 2017). A typical fine–grained,…
Modeling the chronologies and size distributions of Ceres and Vesta cratersOPEN ACCESS
Fernando Roig, David Nesvorný Submitted to AJ LINK (OPEN ACCESS) “We infer the crater chronologies of Ceres and Vesta from a self-consistent dynamical model of asteroid impactors. The model accounts for planetary migration/instability early in…
Discovery of coesite from the martian shergottite Northwest Africa 8657
Sen Hu, Yang Li, Lixin Gu, Xu Tang, Ting Zhang, Akira Yamaguchi, Yangting Lin, Hitesh Changela Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 July 2020 LINK “We report occurrences of coesite in…
Asteroid shower on the Earth-Moon system immediately before the Cryogenian period revealed by KAGUYAOPEN ACCESS
Kentaro Terada, Tomokatsu Morota & Mami Kato Nature Communications, Volume 11, Article number: 3453 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Meteoroid bombardment of the Earth-Moon system must have caused catastrophic damage to the terrestrial ecosphere….
Characterization of Potential Micrometeorites by Synchrotron AnalysisOPEN ACCESS
Madison Esposito , Kevin Souhrada , Erin Garland , Mary Kroll , Robert Bolen , Victoria Hernandez , Janet Kaczmarek , David Meisel , Anya Swiss , Paul Northrup , Vivian Stojanoff , Juergen Thieme…
Characterization of Kemer L4 meteorite using Raman spectroscopy, X-ray diffraction, magnetization measurements and Mössbauer spectroscopy
A. A. Maksimova, E. V. Petrova, A. V. Chukin, M. S. Karabanalov, B.A. Nogueira, R. Fausto, M. Yesiltas, I. Felner, M. I. Oshtrakh Spectrochimica Acta Part A: Molecular and Biomolecular SpectroscopyAvailable online 20 July 2020,…
Small Bodies Tell the Story of the Solar System: A Scientific Rationale for a Multi-Target Small Body Sample Return Program including the Earth-based Laboratory Analysis of Returned SamplesOPEN ACCESS
Seth A. Jacobson, Maitrayee Bose, Dennis Bodewits, Marc Fries, Devanshu Jha, Prajkta Mane, Larry Nittler, Scott Sandford, Michelle Thompson A White Paper submitted to the Planetary Science and Astrobiology Decadal Survey 2023-2032 PDF (OPEN ACCESS)…
Identifying primitive noble gas components in lunar ferroan anorthositesOPEN ACCESS
J.F. Pernet-Fisher, K.H. Joy, J.D. Gilmour IcarusIn Press, Journal Pre-proof, Available online 16 July 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Highlights • Noble gas isotope systematics of lunar anorthosite reflect a mixture of solar wind…
Absolute dating of the L-chondrite parent body breakup with high-precision U–Pb zircon geochronology from Ordovician limestone
Shi Yong Liao, Magdalena H. Huyskens, Qing-Zhu Yin, Birger Schmitz Earth and Planetary Science LettersVolume 547, 1 October 2020, 116442 LINK “Highlights • High-precision dates for events in the asteroid belt can be derived from…
Closure temperature of the Pd-Ag system and the crystallization and cooling history of IIIAB iron meteorites
M. Matthes, J.A. van Orman, T. Kleine Geochimica et Cosmochimica ActaAvailable online 14 July 2020 LINK “To better constrain the crystallization and cooling history of the IIIAB iron meteorite parent body, we report new 107Pd-107Ag…
The Aguas Zarcas (CM2) meteorite: New insights into early solar system organic chemistry
Sandra Pizzarello, Christopher T. Yarnes, George Cooper Meteoritics & Planetary Science First published: 15 July 2020 LINK “To date, the CM2 class of carbonaceous chondrites has provided the most detailed view of organic synthesis in…
Global photometric properties of (162173) RyuguOPEN ACCESS
E. Tatsumi, D. Domingue, S. Schröder, Y. Yokota, D. Kuroda, M. Ishiguro, S. Hasegawa, T. Hiroi, R. Honda, R. Hemmi, L. Le Corre, N. Sakatani, T. Morota, M. Yamada, S. Kameda, T. Koyama, H. Suzuki,…
Exposure Ages, Noble Gases and Nitrogen in the Ordinary Chondrite Karimati (L5)
Ramakant R. Mahajan Earth, Moon, and Planets (2020) LINK “Noble gas and nitrogen isotopic compositions of Karimati ordinary (L5) chondrite are presented. Aliquots of the meteorite were studied in two noble gas mass spectrometers. Its…
Chemical assessment of the explosive chamber in the projector system of Hayabusa2 for asteroid samplingOPEN ACCESS
Yoshinori Takano, Keita Yamada, Chisato Okamoto, Hirotaka Sawada, Ryuji Okazaki, Kanako Sakamoto, Yoko Kebukawa, Kento Kiryu, Takazo Shibuya, Motoko Igisu, Hajime Yano, Shogo Tachibana & Hayabusa2 project team Earth, Planets and Space volume 72, Article…
Investigation of the Ozerki meteoroid parameters
Anna Kartashova, Alexander Golubaev, Alona Mozgova, Ivan Chuvashov, Galina Bolgova, Dmitry Glazachev, Vladimir Efremov Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 12 July 2020 LINK “Highlights • The method of the determination of…
One of the earliest refractory inclusions and its implications for solar system history
Jean-David Bodénan, Natalie A. Starkey, Sara S. Russell, Ian P. Wright, Ian A. Franchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 11 July 2020 LINK “A ∼175 µm refractory inclusion, A-COR-01 from one…
Highly reduced accretion of the Earth by large impactors? Evidence from elemental partitioning between sulfide liquids and silicate melts at highly reduced conditions
E.S.Steenstraa, E.Kelderman, E. Kelderman, J. Berndt, S. Klemme, E.S.Bullock, W. van Westrenen Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 11 July 2020 LINK “The Earth may have formed at very reducing conditions through…
A long-lived magma ocean on a young MoonOPEN ACCESS
M. Maurice, N. Tosi, S. Schwinger, D. Breuer, T. Kleine Science Advances, 10 July 2020:Vol. 6, no. 28, eaba8949DOI: 10.1126/sciadv.aba8949 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “A giant impact onto Earth led to the formation of…
Ureilite meteorites provide a new model of early planetesimal formation and destructionOPEN ACCESS
N. Rai, H. Downes, C. Smith Geochemical Perspectives Letters 14, pp. 20–25 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Ureilite meteorites are ultramafic rocks derived from parts of the depleted silicate mantle of their parent planetesimal. We…
Tardi-magmatic precipitation of Martian Fe/Mg-rich clay minerals via igneous differentiationOPEN ACCESS
J.-C. Viennet, S. Bernard, C. Le Guillou, V. Sautter, P. Schmitt-Kopplin, O. Beyssac, S. Pont, B. Zanda, R. Hewins, L. Remusat Geochemical Perspectives Letters 14, 47–52 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mars is seen as…
The Albedo of Ryugu: Evidence for a High Organic Abundance, as Inferred from the Hayabusa2 Touchdown ManeuverOPEN ACCESS
Christian Potiszil, Ryoji Tanaka, Katsura Kobayashi, Tak Kunihiro, Eizo Nakamura Astrobiology, Vol. 20, No. 7Hypothesis ArticlePublished Online:8 Jul 2020 LINK (OPEN ACCESS) “The Hayabusa2 mission successfully collected samples from the asteroid Ryugu last year and…
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…
26Al-26Mg isotopic, mineralogy, petrography of a Hibonite-Pyroxene Spherule in Allan Hills 77307 (CO3.03): Implications for the origin and evolution of these objectsOPEN ACCESS
Ritesh Kumar Mishra Solar and Stellar Astrophysics PDF (OPEN ACCESS) Substantial text overlap with A Hibonite-Pyroxene Spherule in Allan Hills 77307 (CO3.03): Petrography and Mineralogy “10 Hibonite-pyroxene/glass spherules discovered hitherto are a rare suite of…
Comparison of PGAA and wet chemical analysis for determining major element contents in eucritic meteorites
N. Shirai, T. Hozumi, Y. Toh & M. Ebihara Journal of Radioanalytical and Nuclear Chemistry (2020) LINK “Prompt gamma-ray activation analysis (PGAA) was applied to well homogenized meteorite samples initially prepared for the wet chemical…
Carbonaceous Chondrites and the Condensation of Elements from the Solar Nebula
Hauke Vollstaedt, Klaus Mezger, and Yann Alibert The Astrophysical Journal, Volume 897, Number 1 LINK “Common features of all carbonaceous chondrite groups are invariant refractory element ratios, depletions of moderately volatile elements as a function…
Fumarolic-like activity on carbonaceous chondrite parent bodyOPEN ACCESS
Clément Ganino, Guy Libourel Science Advances, 03 Jul 2020 : eabb1166 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Comparative planetology studies are key for understanding the main processes driving planetary formation and evolution. None have been yet…
IUPAC-IUGS recommendation on the half-lives of 147Sm and 146Sm
IUPAC-IUGS recommendation on the half-lives of 147Sm and 146Sm I.M. Villa, N.E. Holden, A. Possolo, R.B. Ickert, D.B. Hibbert, P.R. Renne Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 30 June 2020 LINK “The…
