New Estimation of Presolar Grain Abundances in the Paris Meteorite
M. J. Verdier-Paoletti, L. R. Nittler, J. Wang 51st Lunar and Planetary Science Conference (2020), Abstract #2523 PDF (OPEN ACCESS) “C-rich and O-rich stardust grains have been extensively studied over the last decades [1]. Their…
Significance of Primordial Matrix in Mukundpura Carbonaceous Chondrite (CM2)
A. Dutta, D. Raychaudhuri, A. Bhattacharya 51st Lunar and Planetary Science Conference (2020), Abstract #1927 PDF (OPEN ACCESS)
The Aguas Zarcas Meteorite: A Review of Chondrules and Fine-Grained Rims Observed Within a New Carbonaceous Chondrite (CM2) Fall
I. Kouvatsis, J. A. Cartwright 51st Lunar and Planetary Science Conference (2020), Abstract #2512 PDF (OPEN ACCESS)
Distinguishing Between Terrestrial and Extraterrestrial Organic Compounds in the CM2 Aguas Zarcas Carbonaceous Chondrite
L. D. Tunney, P. J. A. Hill, C. D. K. Herd, R. W. Hilts 51st Lunar and Planetary Science Conference (2020), Abstract #1795 PDF (OPEN ACCESS)
Aqueous Alteration in the CM2 Aguas Zarcas Meteorite
L. J. Hicks, J. C. Bridges 51st Lunar and Planetary Science Conference (2020), Abstract #2869 PDF (OPEN ACCESS)
Degree of Aqueous Alteration of the CM Carbonaceous Chondrite Aguas Zarcas: Implications for Understanding Ryugu and Bennu
P. M. C. Martin, M. R. Lee 51st Lunar and Planetary Science Conference (2020), Abstract #1375 PDF (OPEN ACCESS)
Organic Matter in the Aguas Zarcas (CM2) Meteorite: High Abundance of Aliphatic Carbon in Metal-Rich Lithology
Y. Kebukawa, M. E. Zolensly, J. Mathurin, E. Dartois, C. Engrand, J. Duprat, A. Deniset-Besseau, A. Dazzi, M. Fries, T. Ohigashi, D. Wakabayashi, S. Yamashita, Y. Takeichi, Y. Takahashi, M. Kondo, M. Ito, Y. Kodama,…
Spectroscopy and Mineralogy of Aguas Zarcas
D. Takir, K. T. Howard, K. R. Stockstill-Cahill, C. A. Hibbitts, N. Abreu, M. E. Zolensky, M. Fries 51st Lunar and Planetary Science Conference (2020), Abstract #2533 PDF (OPEN ACCESS) Aguas Zarcas is a new…
Refractory Inclusions in the Unique Meteorite from Amundsen Glacier (AMU 17290) in Antarctica: Implications for Early Solar System Processes
I. Baziotis, A. Papoutsa, S. Xydous, D. Michailidis, P. Karkanas, J. Karner, S. J. V. VanBommel, M. Anand, P. D. Asimow 51st Lunar and Planetary Science Conference (2020), Abstract #1842 PDF (OPEN ACCESS) “Meteorites, especially…
Northwest Africa 12774 — A New Basaltic/Quenched Angrite
V. H. Hoffmann, K. Wimmer, T. Mikouchi, M. Kaliwoda, R. Hochleitner, M. Funaki, M. Torii, M. Jost 51st Lunar and Planetary Science Conference (2020), Abstract #2323 PDF (OPEN ACCESS) “A new angrite, NWA 12774, was…
Petrology and Chemical Composition of Olivine-Pyroxene-Phyric Quenched Angrite Northwest Africa 12774
A. J. Irving, P. K. Carpenter, J. H. Tepper, M. Righter, T. J. Lapen, H. Busemann 51st Lunar and Planetary Science Conference (2020), Abstract #2399 PDF (OPEN ACCESS) “Angrites are enigmatic achondrites notable for their…
Mineralogy and Petrology of the Northwest Africa 12774 Angrite
H. Hayashi, H. Kim, C. Park, T. Mikouchi, V. H. Hoffmann 51st Lunar and Planetary Science Conference (2020), Abstract #2360 PDF (OPEN ACCESS) “Angrite is one of the oldest basaltic achondrites showing unusual chemistry enriched…
A Water-Rich Proto-Planet Inferred by Tridymite and Pyroxene in the Oldest Igneous Achondrite Northwest Africa 11119
A. Cernok, K. Tait, M. Anand, I. Nicklin, L. White, T. Kizovski, X. Zhao, I. A. Franchi 51st Lunar and Planetary Science Conference (2020), Abstract #1900 PDF (OPEN ACCESS) “The meteorite Northwest Africa (NWA) 11119…
Northwest Africa 12869: Primitive Achondrite from the CR2 Parent Body or Member of a New Meteorite Group?
C. B. Agee, H. Aikin, K. Ziegler 51st Lunar and Planetary Science Conference (2020), Abstract #2292 PDF (OPEN ACCESS) “We report here the classification of a new primitive achondrite, Northwest Africa (NWA) 12869, which is…
Two Recent CM Falls: New Evidence for a Lithologically and Isotopically Heterogeneous CM Parent Body
R. Findlay, R. C. Greenwood, A. J. King, M. Anand, I. A. Franchi 51st Lunar and Planetary Science Conference (2020), Abstract #2880 PDF (OPEN ACCESS) “The CM carbonaceous chondrites (CCs) are a diverse group of…
A Unique Amphibole- and Magnetite-Rich Carbonaceous Chondrite Clast from Almahata Sitta
C. A. Goodrich, V. E. Hamilton, M. E. Zolensky, N. T. Kita, A. M. Fioretti, I. Kohl, E. Young, A. H. Treiman, H. C. Connolly Jr, J. Filiberto, M. H. Shaddad, P. Jenniskens 51st Lunar…
Characteristics of a New Carbonaceous, Metal-Rich Lithology Found in the Carbonaceous Chondrite Breccia Aguas Zarcas
I. Kerraouch, A. Bischoff, M. E. Zolensky, A. Pack, M. Patzek, E. Wölfer, C. Burkhardt, M. Fries 51st Lunar and Planetary Science Conference (2020), Abstract #2011 PDF (OPEN ACCESS) “The Aguas Zarcas meteorite fell in…
Mid-infrared spectroscopic investigation of meteorites and perspectives for thermal infrared observations at the binary asteroid Didymos
A. Skulteti, A. Kereszturi, M. Szabo, Zs Kereszty, F. Cipriani Planetary and Space Science In Press, Journal Pre-proof, Available online 30 January 2020 LINK “Near future missions to Near Earth Asteroids could provide new information…
Episodic formation of refractory inclusions in the Solar System and their presolar heritageOPEN ACCESS
K.K. Larsen, D. Wielandt, M. Schiller, A.N. Krot, M. Bizzarro Earth and Planetary Science Letters Volume 535, 1 April 2020, 116088 LINK (OPEN ACCESS) PDF (download) “Highlights • Mg isotopes show multiple populations of refractory…
Elemental composition, mineralogy and orbital parameters of the Porangaba meteorite
Martin Ferus, Lukáš Petera, Jakub Koukal, Libor Lenža, Barbora Drtinová, Jakub Haloda, Dalibor Matýsek, Adam Pastorek, Vojtěch Laitl, Renato Cassio Poltronieri, Marcelo Wagner Domingues, Gabriel Gonçalves, Rodrigo del Olmo Sato, Antonín Knížek, Petr Kubelíka, Anna…
FIB‐TEM analysis of cometary material in 10 Stardust foil craters
Brendan A. Haas, Christine Floss, Rhonda M. Stroud, Ryan C. Ogliore Meteoritics & Planetary Science First Published: 27 January 2020 LINK “Aluminum foils from the Stardust cometary dust collector contain impact craters formed during the…
U‐Pb dating of zircons from an impact melt of the Nördlinger Ries crater
Winfried H. Schwarz, Michael Hanel, Mario Trieloff Meteoritics & Planetary Science First Published: 27 January 2020 LINK “In situ U‐Pb measurements on zircons of the Ries impact crater are presented for three samples from the…
Evidence of presolar SiC in the Allende Curious Marie calcium–aluminium-rich inclusionOPEN ACCESS
O. Pravdivtseva, F. L. H. Tissot, N. Dauphas & S. Amari Nature Astronomy , 1–8 LINK PDF (OPEN ACCESS) “Calcium–aluminium-rich inclusions (CAIs) are one of the first solids to have condensed in the solar nebula,…
Si-Mg isotopes in enstatite chondrites and accretion of reduced planetary bodiesOPEN ACCESS
Jinia Sikdar & Vinai K. Rai Scientific Reports 10 , 1–12 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Among the primitive meteorite classes, Enstatite Chondrites (EC) are believed to share a common origin with the Earth…
Xenon Isotopes Identify Large-scale Nucleosynthetic Heterogeneities across the Solar SystemOPEN ACCESS
G. Avice, M. Moreira, and J. D. Gilmour The Astrophysical Journal, Volume 889, Number 1 LINK PDF (OPEN ACCESS) “Nucleosynthetic isotopic anomalies in meteorites and planetary objects contribute to our understanding of the formation of…
The history of the Tissint meteorite, from its crystallization on Mars to its exposure in space: New geochemical, isotopic, and cosmogenic nuclide dataOPEN ACCESS
Toni Schulz, Pavel P. Povinec, Ludovic Ferrière, A. J. Timothy Jull, Andrej Kováčik, Ivan Sýkora, Jonas Tusch, Carsten Münker, Dan Topa, Christian Koeberl Meteoritics & Planetary Science LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The Tissint…
Macro-classification of meteorites by portable energy dispersive X-ray fluorescence spectroscopy (pED-XRF), principal component analysis (PCA) and machine learning algorithms
Ignazio Allegretta, Bruno Marangoni, Paola Manzari, Carlo Porfido, Roberto Terzano, Olga De Pascale, Giorgio S.Senesi Talanta Available online 25 January 2020 LINK “Highlights • pED-XRF analysis were used to discriminate and classify between meteorites and…
Physical properties of Taurid meteoroids of various sizesOPEN ACCESS
Jiří Borovička, Pavel Spurný Planetary and Space Science Available online 24 January 2020 PDF (OPEN ACCESS) LINK “Highlights • Atmospheric fragmentation of Taurid meteoroids was modeled. • The strength of large Taurids is lower than…
Timing of the magmatic activity and upper crustal cooling of differentiated asteroid 4 Vesta
F. Jourdan, T. Kennedy, G.K. Benedix, E. Eroglu, C. Mayer Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 24 January 2020 LINK “Eucrites are extraterrestrial basalts and cumulate gabbros formed, and subsequently more…
Geochemically heterogeneous Martian mantle inferred from Pb isotope systematics of depleted shergottites
Ryota Moriwaki, Tomohiro Usui, Minato Tobita, Tetsuya Yokoyama Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 24 January 2020 LINK “Radiogenic isotopic compositions of shergottite meteorites suggest that early planetary differentiation processes, which…
D/H Ratio in the Interiors of Rocky Protoplanets Accreting in the Solar Nebula
Hiroaki Saito and Kiyoshi Kuramoto Astrophysical Journal, Published 2020 January 23 LINK “The deuterium/hydrogen (D/H) ratio of primordial water partitioned into a planetary interior seems to be different on Earth and Mars. Water from volcanic…
Design and construction of a bespoke system for the detection of buried, iron-rich meteorites in Antarctica
John W. Wilson, Liam A. Marsh, Wouter Van Verre, Michael C. Rose, Geoffrey Evatt, Andrew R.D. Smedley and Anthony J. Peyton Antarctic ScienceVolume 32, Issue 1 February 2020 , pp. 58-69 LINK “Iron-rich meteorites are…
Atmospheric CO2 levels from 2.7 billion years ago inferred from micrometeorite oxidationOPEN ACCESS
O. R. Lehmer, D. C. Catling, R. Buick, D. E. Brownlee and S. Newport Science Advances 22 Jan 2020: Vol. 6, no. 4, eaay4644 DOI: 10.1126/sciadv.aay4644 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Earth’s atmospheric composition…
Determining the age and possibility for an extraterrestrial impact formation mechanism of the Ilumetsa structures (Estonia)OPEN ACCESS
A. Losiak, A. Jõeleht, J. Plado, M. Szyszka, K. Kirsimäe, E. M. Wild, P. Steier, C. M. Belcher, A. M. Jazwa, R. Helde Meteoritics & Planetary Science LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The Ilumetsa…
Magnesium isotopes of the bulk solar wind from genesis diamond‐like carbon filmsOPEN ACCESS
A. J. G. Jurewicz, K. D. Rieck, R. Hervig, D. S. Burnett, M. Wadhwa, C. T. Olinger, R. C. Wiens, J. M. Laming, Y. Guan, G. R. Huss, D. B. Reisenfeld, P. Williams Meteoritics &…
Thermal and porosity properties of meteorites: A compilation of published data and new measurements
A.‐J. Soini, I. T. Kukkonen, T. Kohout, A. Luttinen Meteoritics & Planetary Science First Published: 22 January 2020 LINK “We report direct measurements of thermal diffusivity and conductivity at room temperature for 38 meteorite samples…
The composition of Mars
Takashi Yoshizaki, William F. McDonough Geochimica et Cosmochimica Acta Available online 21 January 2020 LINK “Comparing compositional models of the terrestrial planets provides insights into physicochemical processes that produced planet-scale similarities and differences. The widely…
Precise radiometric age establishes Yarrabubba, Western Australia, as Earth’s oldest recognised meteorite impact structureOPEN ACCESS
Timmons M. Erickson, Christopher L. Kirkland, Nicholas E. Timms, Aaron J. Cavosie & Thomas M. Davison Nature Communications 11 , 1–8 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The ~70 km-diameter Yarrabubba impact structure in Western…
Spatial U–Pb age distribution in shock-recrystallized zircon – a case study from the Rochechouart impact structure, France
Cornelia Rasmussen, Daniel F. Stockli, Timmons M. Erickson, Martin Schmieder Geochimica et Cosmochimica Acta LINK “Age determination of impact structures via the zircon U–Pb system remains challenging and often ambiguous due to highly variable effects…
40Ar/39Ar systematics of melt lithologies and target rocks from the Gow Lake impact structure, Canada
A.E. Pickersgill, D.F. Mark, M.R. Lee, G.R. Osinski Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 21 January 2020 LINK “The age of the Gow Lake impact structure (Saskatchewan, Canada) is poorly constrained,…
Data‐driven taxonomy matching of asteroid and meteorite
Yuki Saito, Peng K. Hong, Takafumi Niihara, Hideaki Miyamoto, Kenji Fukumizu Meteoritics & Planetary Science First Published: 19 January 2020 LINK “The matching of asteroids and meteorites is a significant step toward a better understanding…
Chromium Isotopic Constraints on the Origin of the Ureilite Parent Body
Ke Zhu (朱柯), Frédéric Moynier, Martin Schiller, Daniel Wielandt, Kirsten K. Larsen, Elishevah M. M. E. van Kooten, Jean-Alix Barrat, and Martin Bizzarro The Astrophysical Journal, Volume 888, Number 2 LINK “We report on the…
Heterogeneous accretion of Earth inferred from Mo-Ru isotope systematicsOPEN ACCESS
Timo Hopp, Gerrit Budde, Thorsten Kleine Earth and Planetary Science Letters (17 January 2020) PDF (OPEN ACCESS) LINK (OPEN ACCESS) “The Mo and Ru isotopic compositions of meteorites and the bulk silicate Earth (BSE) hold…
A Fireball and Potentially Hazardous Binary Near-Earth Asteroid (164121) 2003 YT1
Toshihiro Kasuga,Mikiya Sato, Masayoshi Ueda, Yasunori Fujiwara, Chie Tsuchiya, and Jun-ichi Watanabe The Astronomical Journal, Volume 159, Number 2 LINK “We present a fireball detected in the night sky over Kyoto, Japan on UT 2017…
Neutron activation analysis of meteorites at the VR-1 training reactor
Milan Stefanik, Martin Cesnek, Lubomir Sklenka, Tomas Kmjec, Marcel Miglierini Radiation Physics and Chemistry Volume 171, June 2020, 108675 LINK “Highlights • Applications of nuclear analytical techniques. • Neutron activation analysis and gamma-spectrometry in interdisciplinary…
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…
The partitioning of the inner and outer Solar System by a structured protoplanetary disk
R. Brasser & S. J. Mojzsis Nature Astronomy (2020) Published: 13 January 2020 LINK “Mass-independent isotopic anomalies define two cosmochemically distinct regions: the carbonaceous and non-carbonaceous meteorites, implying that the non-carbonaceous (terrestrial) and carbonaceous (Jovian)…
The effects of atmospheric entry heating on organic matter in interplanetary dust particlesOPEN ACCESS
E.I. Riebe, Dionysis I. Foustoukos, Conel M.O’D. Alexander, Andrew Steele, George D. Cody, Bjorn Mysen, Larry R. Nittler Submitted to Earth and Planetary Science Letters (EPSL) PDF (OPEN ACCESS) “Interplanetary dust particles (IDPs) were likely…
Paleomagnetism of Rumuruti chondrites suggests a partially differentiated parent body
C. Cournède, J. Gattacceca, P. Rochette, D.L. Shuster Earth and Planetary Science Letters Volume 533, 1 March 2020, 116042 LINK “Highlights • We examine the paleomagnetism of two metamorphosed Rumuruti chondrites. • Both possess a…
Geochemical constraints on core-mantle differentiation in Mercury and the aubrite parent body
E.S. Steenstra, W. van Westrenen Icarus In Press, Journal Pre-proof, Available online 11 January 2020 LINK “Highlights • Geochemical models constraining the interior compositions of Mercury and the AuPB • The cores of Mercury and…
CAVEZZO – Meteorite fragments (L5-an, S2, 55.3 grams) found near Ponte Motta (Cavezzo) / Fall on 1 January 2020, 18:26:52.9-58.5 UT, Rovereto sul Secchia, Modena, Emilia-Romagna, Italy
Last update: 23 June 2021 The ordinary chondrite (L5-an) meteorite fragments were found by 48-year old warehouseman and cyclist Davide Gaddi from Mirandola in the grass next to a path on the bank of the…
The end of the lunar dynamoOPEN ACCESS
Saied Mighani, Huapei Wang, David L. Shuster, Cauȇ S. Borlina, Claire I. O. Nichols, Benjamin P. Weiss Science Advances 01 Jan 2020: Vol. 6, no. 1, eaax0883 DOI: 10.1126/sciadv.aax0883 LINK (OPEN ACCESS) PDF (OPEN ACCESS)…