Early silica crust formation in planetesimals by metastable silica-rich liquid immiscibility or cristobalite crystallisation: the possible origin of silica-rich chondrulesOPEN ACCESS
François Faure Scientific Reports 10, Article number: 4765 (2020) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The formation and differentiation processes of planetesimals—small bodies in the solar system—remain actively debated. Planetesimal differentiation is known to have…
Micrometeorites: Insights into the flux, sources and atmospheric entry of extraterrestrial dust at Earth
Matthew J. Genge, Matthias Van Ginneken, Martin D. Suttle Planetary and Space Science In Press, Journal Pre-proof, Available online 16 March 2020 LINK “Micrometeorites (MMs) provide constraints on the flux and sources of extraterrestrial dust…
WATER AND HEAT: NEW CONSTRAINTS ON THE EVOLUTION OF THE CV CHONDRITE PARENT BODY
Lydie Bonal, Jérôme Gattacceca, Alexandre Garenne, Jolantha Eschrig, Pierre Rochette, Lisa Krämer Ruggiu Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 16 March 2020 LINK “This paper focuses on the post-accretion history of…
Highly porous nature of a primitive asteroid revealed by thermal imaging
Tatsuaki Okada, Tetsuya Fukuhara, Satoshi Tanaka, Makoto Taguchi, Takehiko Arai, Hiroki Senshu, Naoya Sakatani, Yuri Shimaki, Hirohide Demura, Yoshiko Ogawa, Kentaro Suko, Tomohiko Sekiguchi, Toru Kouyama, Jun Takita, Tsuneo Matsunaga, Takeshi Imamura, Takehiko Wada, Sunao…
The orbital clusters among the near Earth asteroidsOPEN ACCESS
Tadeusz J. Jopek PDF (OPEN ACCESS) “Fifteen orbital clusters (associations) were identified among∼20000near-Earth asteroids(NEAs). All associations were found with a high statisticalreliability using a single link-age cluster analysis algorithm and three orbital similarity functions. The…
Subsolar Al/Si and Mg/Si ratios of non-carbonaceous chondrites reveal planetesimal formation during early condensation in the protoplanetary diskOPEN ACCESS
A. Morbidelli, G. Libourel, H. Palme, S.A. Jacobson, D.C. Rubie Accepted for publication in EPSL PDF (OPEN ACCESS) “The Al/Si and Mg/Si ratios in non-carbonaceous chondrites are lower than the solar (i.e., CI-chondritic) values, in…
Widespread production of silica- and alkali-rich melts at the onset of planetesimal melting
Max Collinet, Timothy L. Grove Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 12 March 2020 LINK “We present the results of melting experiments on a suite of carbonaceous and ordinary chondritic compositions…
Formation of primitive achondrites by partial melting of alkali-undepleted planetesimals in the inner solar system
Max Collinet, Timothy L. Grove Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 12 March 2020 LINK “Acapulcoites-lodranites, ureilites, brachinites, brachinite-like achondrites and winonaites are the main groups of primitive achondrites. They are…
Primordial formation of major silicates in a protoplanetary disc with homogeneous 26Al/27AlOPEN ACCESS
Timothy Gregory, Tu-Han Luu, Christopher D. Coath, Sara S. Russell and Tim Elliott Science Advances 11 Mar 2020: Vol. 6, no. 11, eaay9626 DOI: 10.1126/sciadv.aay9626 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Understanding the spatial variability…
Ruthenium isotope vestige of Earth’s pre-late-veneer mantle preserved in Archaean rocks
Mario Fischer-Gödde, Bo-Magnus Elfers, Carsten Münker, Kristoffer Szilas, Wolfgang D. Maier, Nils Messling, Tomoaki Morishita, Martin Van Kranendonk & Hugh Smithies Nature, Volume 579, pages 240–244 (2020) Published: 11 March 2020 LINK “The accretion of…
Distinct oxygen isotope compositions of the Earth and Moon
Erick J. Cano, Zachary D. Sharp & Charles K. Shearer Nature Geoscience (2020) LINK “The virtually identical oxygen isotope compositions of the Earth and Moon revealed by Apollo return samples have been a challenging constraint…
Orbit and origin of the LL7 chondrite Dishchii’bikoh (Arizona)
Peter Jenniskens, Nick Moskovitz, Laurence A. J. Garvie, Qing‐Zhu Yin, J. Andreas Howell, Dwayne L. Free, Jim Albers, David Samuels, Marc D. Fries, Prajkta Mane, Daniel R. Dunlap, Karen Ziegler, Matthew E. Sanborn, Qin Zhou,…
Three meteorite finds (720 g, L5, S5) of bolide above Novo Mesto, Lower Carniola, Slovenia at 09:30:34 UT on 28 February 2020
Last update: 3 July 2020 The first meteorite, an ordinary chondrite (L5, S5), was found accidentally by Gregor Kos and his son at location 45°49’00.5″N, 15°06’44.9″E in the village Prečna, near Novo Mesto, Slovenia at…
Evidence of Cosmic Impact at Abu Hureyra, Syria at the Younger Dryas Onset (~12.8 ka): High-temperature melting at >2200 °COPEN ACCESS
Andrew M. T. Moore, James P. Kennett, William M. Napier, Ted E. Bunch, James C. Weaver, Malcolm LeCompte, A. Victor Adedeji, Paul Hackley, Gunther Kletetschka, Robert E. Hermes, James H. Wittke, Joshua J. Razink, Michael…
Visible–near infrared spectral indices for mapping mineralogy and chemistry with OSIRIS‐REx
Hannah H. Kaplan, Victoria E. Hamilton, Ellen S. Howell, Scott F. Anderson, M. Antonella Barrucci, John Brucato, Thomas H. Burbine, Beth E. Clark, Ed A. Cloutis, Harold C. Connolly Jr., Elisabetta Dotto, Joshua P. Emery,…
Disk-resolved photometric modeling and properties of asteroid (101955) BennuOPEN ACCESS
D.R. Golish, D.N. DellaGiustina, J.-Y. Li, B.E. Clark, X.-D.Zoub, P.H.Smith, J.L.Rizos, P.H. Hasselmann, C.A.Bennett, S.Fornasier, R.-L.Ballouz, C. Drouet d’Aubigny, B.Rizk, M.G.Daly, O.S. Barnouin, L.Philpott, M.M.Al Asad, J.A.Seabrook, D.S.Laurett Icarus LINK (OPEN ACCESS) “Highlights • The…
Experimental partitioning of trace elements into schreibersite with applications to IIG iron meteorites
Nancy L. Chabot, Rachel H. Cueva, Andrew W. Beck, Richard D. Ash Meteoritics & Planetary Science First Published: 4 March 2020 LINK “Some of the defining characteristics of the IIG iron meteorite group are their…
Accretion of the Earth—Missing Components?OPEN ACCESS
K. Mezger, M. Schönbächler & A. Bouvier Space Science Reviews, Volume 216, Article number: 27 (2020) Published: 04 March 2020 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Primitive meteorites preserve the chemical and isotopic composition of…
A model for meteoroid ablation including melting and vaporization
Bruno Dias, Alessandro Turchi, Eric C. Stern, Thierry E. Magin Icarus In Press, Journal Pre-proof, Available online 3 March 2020 LINK “Highlights • Comparison of a meteoroid ablation model, which comprises melting and vaporization, with…
The brecciated texture of polymict eucrites: Petrographic investigations of unequilibrated meteorites from the Antarctic Yamato collectionOPEN ACCESS
Christian Vollmer, Stella Rombeck, Julia Roszjar, Adam R. Sarafian, Stephan Klemme Meteoritics & Planetary Science LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report on the petrography and mineralogy of five Yamato polymict eucrites to better…
Amorphous silicates in the matrix of Semarkona: The first evidence for the localized preservation of pristine matrix materials in the most unequilibrated ordinary chondrites
E. Dobrică, A. J. Brearley Meteoritics & Planetary Science LINK “We have investigated the fine‐grained matrix of the least‐altered unequilibrated ordinary chondrite (UOC) Semarkona (LL3.00) using different electron microscope techniques. Unlike previous studies, which found…
Chemical and physical properties of Žďár nad Sázavou L chondrite and porosity differentiation using computed tomography
Dominika Kalasová, Tomáš Zikmund, Pavel Spurný, Jakub Haloda, Jiří Borovička, Jozef Kaiser Meteoritics & Planetary Science LINK “A very bright and long bolide was observed over the eastern part of the Czech Republic during late…
Unique achondrite Northwest Africa 11042: Exploring the melting and breakup of the L chondrite parent body
Zoltán Váci, Carl B. Agee, Munir Humayun, Karen Ziegler, Yemane Asmerom, Victor Polyak, Henner Busemann, Daniela Krietsch, Matthew Heizler, Matthew E. Sanborn, Qing‐Zhu Yin Meteoritics & Planetary Science First Published: 2 March 2020 LINK “Northwest…
Formation of ferroan dacite by lunar silicic volcanism recorded in a meteorite from the MoonOPEN ACCESS
Hiroshi Nagaoka, Timothy J. Fagan, Masahiro Kayama, Yuzuru Karouji, Nobuyuki Hasebe & Mitsuru Ebihara Progress in Earth and Planetary Science, Volume 7, Article number: 12 (2020) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “An igneous clast…
Sr-Nd-Pb isotope systematics of Australasian tektites: Implications for the nature and composition of target materials and possible volatile loss of Pb
Lukáš Ackerman, Karel Žák, Roman Skála, Jan Rejšek, Šárka Křížová, Josh Wimpenny, Tomáš Magna Geochimica et Cosmochimica Acta LINK “The Australasian tektite (AAT) strewn field is the largest strewn field on the Earth with about…
Volatile element chemistry during accretion of the earth
Bruce Fegley Jr, Katharina Lodders, Nathan S.Jacobson Geochemistry Review LINK “We review some issues relevant to volatile element chemistry during accretion of the Earth with an emphasis on historical development of ideas during the past…
Photometry of Kuiper belt object (486958) Arrokoth from New Horizons LORRIOPEN ACCESS
Jason D. Hofgartner, Bonnie J. Buratti, Susan D. Benecchi, Ross A. Beyer, Andrew Chenge, James T. Keane, Tod R. Lauer, Catherine B. Olkin, Joel W. Parker, Kelsi N. Singer, John R. Spencer , S. Alan…
Heavy halogen geochemistry of martian shergottite meteorites and implications for the halogen composition of the depleted shergottite mantle source
Patricia L. Clay; Katherine H. Joy; Brian O’Driscoll; Henner Busemann; Lorraine Ruzié-Hamilton; Ray Burgess; Jonathan Fellowes; Bastian Joachim-Mrosko; John Pernet-Fisher; Stanislav Strekopytov; Christopher J. Ballentine American Mineralogist, March 01, 2020, Vol.105, 289-306 LINK “Volatile elements…
Physically based alternative to the PE criterion for meteoroidsOPEN ACCESS
Manuel Moreno-Ibáñez, Maria Gritsevich, Josep M. Trigo-Rodríguez, Elizabeth A. Silber PDF (OPEN ACCESS) “Meteoroids impacting the Earth atmosphere are commonly classified using the PE criterion. This criterion was introduced to support the identification of the…
The solar nebula origin of (486958) Arrokoth, a primordial contact binary in the Kuiper BeltOPEN ACCESS
By W. B. McKinnon, D. C. Richardson, J. C. Marohnic, J. T. Keane, W. M. Grundy, D. P. Hamilton, D. Nesvorný, O. M. Umurhan, T. R. Lauer, K. N. Singer, S. A. Stern, H. A….
Color, composition, and thermal environment of Kuiper Belt object (486958) Arrokoth
By W. M. Grundy, M. K. Bird, D. T. Britt, J. C. Cook, D. P. Cruikshank, C. J. A. Howett, S. Krijt, I. R. Linscott, C. B. Olkin, A. H. Parker, S. Protopapa, M. Ruaud,…
The geology and geophysics of Kuiper Belt object (486958) Arrokoth
By J. R. Spencer, S. A. Stern, J. M. Moore, H. A. Weaver, K. N. Singer, C. B Olkin, A. J. Verbiscer, W. B. McKinnon, J. Wm. Parker, R. A. Beyer, J. T. Keane, T….
In situ analysis of platinum group elements in equilibrated ordinary chondrite kamacite and taenite
Cosette M. Gilmour, Christopher D. K. Herd Meteoritics & Planetary Science First Published: 29 February 2020 LINK “Platinum group element (PGE) concentrations have been determined in situ in ordinary chondrite kamacite and taenite grains via…
Iron whiskers on asteroid Itokawa indicate sulfide destruction by space weatheringOPEN ACCESS
Toru Matsumoto, Dennis Harries, Falko Langenhorst, Akira Miyake & Takaaki Noguchi Nature Communications, Volume 11, Article number: 1117 (2020) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Extraterrestrial iron sulfide is a major mineral reservoir of the…
Observations, meteorites, and models: A pre‐flight assessment of the composition and formation of (16) Psyche
L.T. Elkins‐Tanton, E. Asphaug, J. F. Bell III, H. Bercovici, B. Bills, R. Binzel, W. F. Bottke, S. Dibb, D. J. Lawrence, S. Marchi, T. J. McCoy, R. Oran, R. S. Park, P. N. Peplowski,…
Hemolithin: a Meteoritic Protein containing Iron and LithiumOPEN ACCESS
Malcolm. W. McGeoch, Sergei Dikler, Julie E. M. McGeoch PDF (OPEN ACCESS) “This paper characterizes the first protein to be discovered in a meteorite. Amino acid polymers previously observed in Acfer 086 and Allende meteorites…
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…
Formation of lunar highlands anorthosites
Xiaoqing Xu, Hejiu Hui, Wei Chen, Shichun Huang, Clive R. Neal, Xisheng Xu Earth and Planetary Science Letters Volume 536, 15 April 2020, 116138 LINK “Highlights • We report major and trace element contents of…
Zhob (18.96 kg, H3-4, S2) registered as witnessed fall in Zhob District, Balochistan, Pakistan on 9 January 2020
LINK “Zhob 31°22’N, 69°34’E Baluchistan, Pakistan Confirmed fall: 2020 Jan 9 Classification: Ordinary chondrite (H3-4) History: (Michael Farmer, Arizona) A bright fireball followed by sonic booms was seen and heard around the northern part of…
Mass Distributions of Meteorites
Alberto S Betzler, Ernesto P Borges Monthly Notices of the Royal Astronomical Society, staa521 Published: 21 February 2020 LINK “For at least five decades the study of the mass distribution of meteorites has been carried…
The properties of cm–sized iron meteoroids
Vlastimil Vojáček, Jiří Borovička, Pavel Spurný, David Čapek Planetary and Space Science LINK “Highlights • Eight iron meteoroids were found among 220 fireball spectra. • cm-sized iron meteoroids have diverse asteroidal orbits. • According to…
Unique angrite-like fragments in a CH3 chondrite reveal a new basaltic planetesimal
Ai-Cheng Zhang, Noriyuki Kawasaki, Minami Kuroda, Yang Li, Hua-Pei Wang, Xue-Ning Bai, Naoya Sakamoto, Qing-Zhu Yin, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 19 February 2020 LINK “Most meteorites are…
Dwell time at high pressure of meteorites during impact ejection from Mars
T.J. Bowling, B.C. Johnson, S.E. Wiggins, E.L. Walton, H.J.Melosh, T.G. Sharp Icarus In Press, Journal Pre-proof, Available online 13 February 2020 LINK “Highlights • We simulate impacts to investigate the dwell time of Martian meteorites….
Altered primary iron sulfides in CM2 and CR2 carbonaceous chondrites: Insights into parent body processes
S. A. Singerling, A. J. Brearley Meteoritics & Planetary Science First Published: 13 February 2020 LINK “The presence of primary iron sulfides that appear to be aqueously altered in CM and CR carbonaceous chondrites provides…
Iron isotope evidence for very rapid accretion and differentiation of the proto-EarthOPEN ACCESS
Martin Schiller, Martin Bizzarro, and Julien Siebert Science Advances 12 Feb 2020: Vol. 6, no. 7, eaay7604 DOI: 10.1126/sciadv.aay7604 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Nucleosynthetic isotope variability among solar system objects provides insights into…
A compositionally heterogeneous martian mantle due to late accretionOPEN ACCESS
Simone Marchi, Richard J. Walker and Robin M. Canup Science Advances 12 Feb 2020: Vol. 6, no. 7, eaay2338 DOI: 10.1126/sciadv.aay2338 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The approximately chondritic estimated relative abundances of highly…
Antarctic meteorite recovery during BELARE 2019-2020 – 66 finds (> 8 kg)
LINK “Following successful recovery missions in 2009-2010, 2010-2011, 2012-2013, and 2018-2019, an international team of Belgian, Turkish and Japanese scientists has recovered 66 meteorites in the 2019-2020 season, totaling more than 8 kg, in the…
Velocity distribution of larger meteoroids and small asteroids impacting Earth
Esther Drolshagen, Theresa Ott, Detlef Koschny, Gerhard Drolshagen, Anna Kristiane Schmidt, Björn Poppe Planetary and Space Science In Press, Journal Pre-proof, Available online 11 February 2020 LINK “Highlights • The velocity distribution of objects impacting…
Linking asteroids and meteorites to the primordial planetesimal populationOPEN ACCESS
Richard C. Greenwood, Thomas H. Burbine, Ian A. Franchi Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 11 February 2020 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Meteorites provide a unique insight into early…
Galactic cosmic ray effects on iron and nickel isotopes in iron meteoritesOPEN ACCESS
David L. Cook, Ingo Leya, Maria Schönbächler Meteoritics & Planetary Science LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We present model calculations for cosmogenic production rates in order to quantify the potential effects of spallation and…
A Two Year Survey for VLF Emission from FireballsOPEN ACCESS
C. Y. Sung, P. Brown, R. Marshall accepted for publication in Planetary and Space Science PDF (OPEN ACCESS) “Here we report on a two year continuous survey to examine possible VLF signals associated with meteors…
The violent collisional history of aqueously evolved (2) Pallas
Michaël Marsset, Miroslav Brož, Pierre Vernazza, Alexis Drouard, Julie Castillo-Rogez, Josef Hanuš, Matti Viikinkoski, Nicolas Rambaux, Benoît Carry, Laurent Jorda, Pavel Ševeček, Mirel Birlan, Franck Marchis, Edyta Podlewska-Gaca, Erik Asphaug, Przemyslaw Bartczak, Jérôme Berthier, Fabrice…
Carbon isotopic evolution of aqueous fluids in CM chondrites: Clues from in-situ isotope analyses within calcite grains in Yamato-791198
Wataru Fujiya, Yuto Aoki, Takayuki Ushikubo, Ko Hashizume, Akira Yamaguchi Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 10 February 2020 LINK “We report the variability in carbon and oxygen isotopic compositions, chemical…
A model of the 3-μm hydration band with Exponentially Modified Gaussian (EMG) profiles: Application to hydrated chondrites and asteroids
S. Potin, S. Manigand, P. Beck, C. Wolters, B. Schmitt Icarus In Press, Journal Pre-proof, Available online 7 February 2020 “Highlights • Exponentially Modified Gaussians are used to model the shape of the 3-μm band….
Atom probe tomography of space‐weathered lunar ilmenite grain surfacesOPEN ACCESS
Jennika Greer, Surya. S. Rout, Dieter Isheim, David N. Seidman, Rainer Wieler, Philipp R. Heck Meteoritics & Planetary Science First published: 06 February 2020 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The surfaces of airless bodies,…
Effect of the surface shape of a large space body on its fragmentation in a planetary atmosphere
Daniil E Khrennikov, Andrei K Titov, Alexander E Ershov, Andrei B Klyuchantsev, Vladimir I Pariev, Sergei V Karpov Monthly Notices of the Royal Astronomical Society, staa330 LINK “Employing the finite element and computational fluid dynamics…
On the possibility of through passage of asteroid bodies across the Earth’s atmosphere
Daniil E Khrennikov, Andrei K Titov, Alexander E Ershov, Vladimir I Pariev, Sergei V Karpov Monthly Notices of the Royal Astronomical Society, staa329 LINK “We have studied the conditions of through passage of asteroids with…
Cadmium isotopes in chondrites and acid leachates: Nucleosynthetic homogeneity and a monitor for thermal neutron capture effects
Eniko R. Toth, Manuela A. Fehr, Matthias Friebel, Maria Schönbächler Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 6 February 2020 LINK “Nucleosynthetic isotope variations are well documented for refractory elements in meteorites…
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…
Analyses of radionuclides in the Oued Awlitis 001 and Galb Inal lunar meteorites by HPGe gamma-ray spectrometry
Pavel P. Povinec, Ivan Sýkora, Ludovic Ferrière, Christian Koeberl Journal of Radioanalytical and Nuclear Chemistry, pp 1–9 LINK “Highly sensitive nondestructive HPGe gamma-ray spectrometry was used for the analysis of the cosmogenic (26Al) and primordial…
Examining the compositions of impactors striking the Moon using Apollo impact melt coats and anorthositic regolith breccia meteorites
Eleanor C. McIntosh, James M.D. Day, Yang Liu, Courtney Jiskoot Geochimica et Cosmochimica Acta Available online 1 February 2020 LINK “Impactors striking the Moon since the formation of its crust have left an indelible imprint…
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 (prov.) – First meteorite fragments (~55.4 grams) found near Ponte Motta (Cavezzo) / Fall on 1 January 2020, 18:26:54 UT, Rovereto sul Secchia, Modena, Emilia-Romagna, Italy
Last update: 29 January 2020 Apparently the first ordinary chondrite (LL?) 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…
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)…
Australasian impact crater buried under the Bolaven volcanic field, Southern LaosOPEN ACCESS
Kerry Sieh, Jason Herrin, Brian Jicha, Dayana Schonwalder Angel, James D. P. Moore, Paramesh Banerjee, Weerachat Wiwegwin, Vanpheng Sihavong, Brad Singer, Tawachai Chualaowanich, and Punya Charusiri PNAS first published December 30, 2019 LINK (OPEN ACCESS)…
ANSMET 2019/2020 Field Season / 346 meteorites found
Last update: 3 February 2020 This year’s ANSMET field season around Davis Ward Nunatak has ended for the team members John Schutt, Brian Rougeux, Jim Karner, Cindy Evans, Marc Caffee, Emilie Dunham, Lauren Angotti, Alexander…
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 Žďár nad Sázavou meteorite fall: Fireball trajectory, photometry, dynamics, fragmentation, orbit, and meteorite recoveryOPEN ACCESS
Pavel Spurný, Jiří Borovička, Lukáš Shrbený Accepted to Meteoritics and Planetary Science, December 13, 2019 PDF (OPEN ACCESS) LINK (updated 10 February 2020) “We report a comprehensive analysis of the instrumentally observed meteorite fall Žďár…
Transport of impact ejecta from Mars to its moons as a means to reveal Martian historyOPEN ACCESS
Ryuki Hyodo, Kosuke Kurosawa, Hidenori Genda, Tomohiro Usui & Kazuhisa Fujita Scientific Reports volume 9, Article number: 19833 (2019) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Throughout the history of the solar system, Mars has experienced…
Origin of Al-rich chondrules in CV chondrites: Incorporation of diverse refractory components into the ferromagnesian chondrule-forming region
Mingming Zhang, Yangting Lin, Guoqiang Tang, Yu Liu, Ingo Leya Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 26 December 2019 LINK “Aluminum-rich (Al2O3 > 10 wt%) chondrules (ARCs) are important chondritic components that…
Characterization of the matrix and fusion crust of the recent meteorite fall Ozerki L6
A. A. Maksimova, E. V. Petrova, A. V. Chukin, M. S. Karabanalov, I. Felner, M. Gritsevich, M. I. Oshtrakh First published: 25 December 2019 LINK “We studied the interior and the fusion crust of the…
Hydrogen isotopic composition of CI- and CM-like clasts from meteorite breccias – sampling unknown sources of carbonaceous chondrite materials
Markus Patzek, Peter Hoppe, Addi Bischoff, Robbin Visser, Timm John Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 23 December 2019 LINK “Volatile-rich, CI- and CM-like clasts occur in different brecciated achondrite and…
Radionuclide activities in recent chondrite falls determined by gamma‐ray spectrometry: Implications for terrestrial age estimates
Åke V. Rosén, Beda A. Hofmann, Moritz von Sivers, Marc Schumann Meteoritics & Planetary Science First Published: 19 December 2019 LINK “Radionuclide activities were measured in the low‐background gamma‐ray spectrometry facility GeMSE in eight meteorite…
Insights into the formation of silica‐rich achondrites from impact melts in Rumuruti‐type chondrites
N. G. Lunning, A. Bischoff, J. Gross, M. Patzek, C. M. Corrigan, T. J. McCoy Meteoritics & Planetary Science First Published: 19 December 2019 LINK “Ancient, SiO2‐rich achondrites have previously been proposed to have formed…
Wangdaodeite, the LiNbO3‐structured high‐pressure polymorph of ilmenite, a new mineral from the Suizhou L6 chondrite
Xiande Xie, Xiangping Gu, Hexiong Yang, Ming Chen, Kai Li Meteoritics & Planetary Science First Published: 19 December 2019 LINK “Wangdaodeite, the shock‐induced lithium niobate–structured polymorph of ilmenite, was found in the Suizhou L6 chondrite….
Characterization of a newly fallen Nigerian meteorite
Abbasher Gismelssed, Olugbenga Okunlola, Ahmed Al-Rawas, Ali Yousif, Matthew Oyedokun, Jacob Adetunji, Hisham Widatallah, Mohamed Elzai Hyperfine Interactions December 2020, 241:22 LINK “X-ray diffraction (XRD), Fields Emission Scanning Electron Microscope (FE-SEM) with EDS and Mössbauer…
Primordial organic matter in the xenolithic clast in the Zag H chondrite: Possible relation to D/P asteroids
Yoko Kebukawa, Michael E. Zolensky, Motoo Ito, Nanako O. Ogawa, Yoshinori Takano, Naohiko Ohkouchi, Aiko Nakato, Hiroki Suga, Yasuo Takeichi, Yoshio Takahashi, Kensei Kobayashi Geochimica et Cosmochimica Acta Available online 19 December 2019 LINK “Some…
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…
Application of Mössbauer spectroscopy for classification of ordinary chondrites – different database and different methodsOPEN ACCESS
Jolanta Gałązka-Friedman, Marek Woźniak, Patrycja Bogusz, Martyna Jakubowska, Łukasz Karwowski & Przemysław Duda Hyperfine Interactions, Volume 241, article number: 20 (2019) First Published: 17 December 2019 LINK PDF (OPEN ACCESS) “Classification of the meteorites is…
The great isotopic dichotomy of the early Solar System
Thomas S. Kruijer, Thorsten Kleine & Lars E. Borg Nature Astronomy , 1–9 (2019) LINK “The isotopic composition of meteorites and terrestrial planets holds important clues about the earliest history of the Solar System and…
Occurrence and implications of secondary olivine veinlets in lunar highland breccia Northwest Africa 11273OPEN ACCESS
Xiaojia Zeng, Shijie Li, Katherine H. Joy, Xiongyao Li, Jianzhong Liu, Yang Li, Rui Li, Shijie Wang Meteoritics & Planetary Science LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Lunar breccias preserve the records of geologic processes…
Multiple origins of xenoliths and xenocrysts in the Elephant Moraine 79001 Lithology A olivine‐phyric shergottite
Nicholas Castle, Ethan Kuehl, John Jones, Allan Treiman Meteoritics & Planetary Science LINK “Petrographic examination of the xenolith and xenocryst populations in the olivine‐phyric shergottite Elephant Moraine 79001 Lithology A shows more chemical heterogeneity than…
Characteristics of the Sahara as a meteorite recovery surface
Maria Aboulahris, Hasnaa Chennaoui Aoudjehane, Pierre Rochette, Jérôme Gattacceca, A. J. Timothy Jull, Nejia Laridhi Ouazaa, Luigi Folco Svend Buhl Meteoritics & Planetary Science LINK “We describe the geological, geomorphological, and paleoclimatic setting of the…
El condrito carbonáceo Aguas Zarcas: bólido, caída y recuperación de un meteorito extraordinario del tipo CM2
Oscar H. Lücke, Pilar Madrigal, Gerardo J. Soto Revista Geológica de América Central Número 61 , 9-22; published: 2019-12-11 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “El 23 de abril del 2019 a las 21:08, se…
Análisis de datos de infrasonido del meteorito de Aguas Zarcas de San Carlos, Costa Rica, 23 de abril 2019
Ronnie Quintero-Quintero, Hairo Villalobos-Villalobos, Daniela Campos-Durán Revista Geológica de América Central Número 61 , 35-55; published: 2019-12-11 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “El 23 de abril de 2019 a las 21:07:22 hora de Costa…
Origin of Earth’s water: sources and constraintsOPEN ACCESS
Karen Meech, Sean N. Raymond Review; Chapter to appear in Planetary Astrobiology PDF (OPEN ACCESS) “We review the state of knowledge on the origin of Earth’s water. Empirical constraints come from chemical and isotopic measurements…
Mare basalt meteorites, magnesian-suite rocks and KREEP reveal loss of zinc during and after lunar formation
James M.D. Day, Elishevah M.M.E. van Kooten, Beda A. Hofmann, Frederic Moynier Earth and Planetary Science Letters In Press, Corrected Proof, Available online 10 December 2019 LINK “Isotopic compositions of reservoirs in the Moon can…
Calcium Isotopic Composition of the Lunar Crust, Mantle, and Bulk Silicate Moon:A Preliminary Study
Wei Wu, Yi-Gang Xu, Zhao-Feng Zhang, XinLi Geochimica et Cosmochimica Acta LINK “Calcium isotopes have the potential to explore genetic links between the Moon and Earth. Here, we constrain calcium isotopic composition of the bulk…
The origin of s-process isotope heterogeneity in the solar protoplanetary diskOPEN ACCESS
Mattias Ek, Alison C. Hunt, Maria Lugaro & Maria Schönbächler Nature Astronomy , 1–9 PDF (OPEN ACCESS) LINK “Rocky asteroids and planets display nucleosynthetic isotope variations that are attributed to the heterogeneous distribution of stardust…
Isotopic Signatures of Supernova Nucleosynthesis in Presolar Silicon Carbide Grains of Type AB with Supersolar 14N/15N Ratios
Peter Hoppe, Richard J. Stancliffe, Marco Pignatari, and Sachiko Amari The Astrophysical Journal, Volume 887, Number 1 LINK “We report high-resolution C, N, Al, Si, and S isotope data of 38 presolar SiC grains of…
Where Did They Come From, Where Did They Go. Grazing FireballsOPEN ACCESS
P.M. Shober, T. Jansen-Sturgeon, E.K. Sansom, H.A.R. Devillepoix, M.C. Towner, P.A. Bland, M. Cupák, R.M. Howie, B.A.D. Hartig Submitted to The Astrophysical Journal PDF (OPEN ACCESS) “For centuries extremely-long grazing fireball displays have fascinated observers…
