![[Žd’ár nad Sázavou] A second meteorite (39.3 grams) of the Czech bolide on 9 December 2014 was found near Vatín on January 12 by Czech astronomers, first meteorite classified as type L3.9](http://karmaka.de/wp-content/uploads/2015/01/meteority-zdar-660x330.jpg)
![[Žd’ár nad Sázavou] First meteorite found near Nová Ves, close to Nového Města na Moravě on 20 December, ~3 p.m. CET/ Meteorite fall near Rudolec, Jihlava district, Czech Republic, 9 December, 16:16:45-54 UT UTC](http://karmaka.de/wp-content/uploads/2014/12/attachment-660x330.jpg)
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…
Combining IR and X‐ray microtomography data sets: Application to Itokawa particles and to Paris meteorite
Zelia Dionnet, Rosario Brunetto, Alice Aléon‐Toppani, Stefano Rubino, Donia Baklouti, Ferenc Borondics, Anne‐Cécile Buellet, Zahia Djouadi, Andrew King, Tomoki Nakamura, Alessandra Rotundi, Christophe Sandt, David Troadec, Akira Tsuchiyama Meteoritics & Planetary ScienceVersion of Record online:30…
Silica‐rich objects in the Acfer 182 CH chondrite: A new view
Maria Eugenia Varela Meteoritics & Planetary ScienceVersion of Record online:30 June 2020 LINK “Five silica‐rich objects (SRO) from Acfer 182 were studied. They have cryptocrystalline textures characterized by micro‐emulsion and amoeboid patterns that point toward…
Xenon systematics of individual lunar zircons, a new window on the history of the lunar surface
Carolyn A. Crow, Sarah A. Crowther, Kevin D. McKeegan, Grenville Turner, Henner Busemann, Jamie D. Gilmour Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 June 2020 LINK “We demonstrate a new way of…
The hydrogen isotopic composition of lunar melt inclusions: An interplay of complex magmatic and secondary processesOPEN ACCESS
A. Stephant, M. Anand, R. Tartèse, X. Zhao, G.Degli-Alessandrini, I.A. Franchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 June 2020 LINK (OPEN ACCESS) “Since the discovery of water (a term collectively used…
Evidence for diverse lunar melt compositions and mixing of the pre-3.9 Ga crust from zircon chemistry
Dustin Trail, Mélanie Barboni, Kevin D. McKeegan Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 27 June 2020 LINK “Lunar samples collected during Apollo missions are typically impact-related breccias or regolith that contain amalgamations…
Isotopic evolution of the inner Solar System inferred from molybdenum isotopes in meteoritesOPEN ACCESS
Fridolin Spitzer, Christoph Burkhardt, Gerrit Budde, Thomas S. Kruijer, Alessandro Morbidelli, Thorsten Kleine Accepted for publication in Astrophysical Journal Letters, June 17, 2020 PDF (OPEN ACCESS) “The fundamentally different isotopic compositions of non-carbonaceous (NC) and…
Caleta el Cobre 022 Martian meteorite: Increasing nakhlite diversity
L. Krämer Ruggiu, J. Gattacceca, B. Devouard, A. Udry, V. Debaille, P. Rochette, J.‐P. Lorand, L. Bonal, P. Beck, V. Sautter, H. Busemann,M. M. M. Meier, C. Maden, G. Hublet, R. Martinez Meteoritics & Planetary…
X‐ray computed tomography: Morphological and porosity characterization of giant Antarctic micrometeorites
Zelia Dionnet, Martin D. Suttle, Andrea Longobardo, Alessandra Rotundi, Luigi Folco, Vincenzo Della Corte, Andrew King Meteoritics & Planetary ScienceVersion of Record online:23 June 2020 LINK “Giant micrometeorites (MMs; 400–2000 µm) are exceedingly rare and…
Amorphous silicates as a record of solar nebular and parent body processes—A transmission electron microscope study of fine‐grained rims and matrix in three Antarctic CR chondritesOPEN ACCESS
Christian Vollmer, Mandy Pelka, Jan Leitner, Arne Janssen Meteoritics & Planetary ScienceVersion of Record online:22 June 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Renazzo‐type (CR) carbonaceous chondrites belong to one of the most pristine meteorite groups…
High‐pressure metamorphic mineralogy of the Martian crust with implications for density and seismic profilesOPEN ACCESS
Julia Semprich, Justin Filiberto Meteoritics & Planetary ScienceVersion of Record online:22 June 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Here, we calculate the mineralogy of the Martian lower crust and upper mantle as a function of…
Extraterrestrial organic compounds and cyanide in the CM2 carbonaceous chondrites Aguas Zarcas and Murchison
José C. Aponte, Hannah L. McLain, Danielle N. Simkus, Jamie E. Elsila, Daniel P. Glavin, Eric T. Parker, Jason P. Dworkin, Dolores H. Hill, Harold C. Connolly, Jr. Dante S. Lauretta Meteoritics & Planetary ScienceVersion…
Julius Obsequens’s book, Liber Prodigiorum : A Roman era record of meteorite falls, fireballs, and other celestial phenomena
Annarita Franza, Giovanni Pratesi Meteoritics & Planetary Science LINK “Julius Obsequens was the pseudonym of a Roman historian presumably living in the 4th century ad , whose life is shrouded in mystery. All that is…
Meteorite (~ 5 kg) fall in Bimbe (Limbe ?) village, Chitanda chiefdom, Chibombo District, Central Province, Zambia at ~7:00 a.m. CAT (~5:00 UT) on 7 June 2020
Last update: 23 June 2020 A meteorite (~ 5 kg), apparently an ordinary chondrite, fell at around 7 a.m. on 7th June 2020 in Bimbe (Limbe ?) village, in Chitanda Lumamba’s chiefdom in the northwest…
ORIGIN: a novel and compact Laser Desorption – Mass Spectrometry system for sensitive in situ detection of amino acids on extraterrestrial surfacesOPEN ACCESS
Niels F. W. Ligterink, Valentine Grimaudo, Pavel Moreno-García, Rustam Lukmanov, Marek Tulej, Ingo Leya, Robert Lindner, Peter Wurz, Charles S. Cockell, Pascale Ehrenfreund & Andreas Riedo Scientific Reports volume 10, Article number: 9641 (2020) LINK…
Murrili meteorite’s fall and recovery from Kati ThandaOPEN ACCESS
E. K. Sansom, P. A. Bland, M. C. Towner, H. A. R. D. Devillepoix, M. Cupak, R. M. Howie, T. Jansen-Sturgeon, M. A. Cox, B. A. D. Hartig, J. P. Paxman, G. Benedix, L. V….
Two Strengths of Ordinary Chondritic Meteoroids as Derived from their Atmospheric Fragmentation ModelingOPEN ACCESS
Jiří Borovička, Pavel Spurný, Lukáš Shrbený Accepted for publication in AJ PDF (OPEN ACCESS) “The internal structure and strength of small asteroids and large meteoroids is poorly known. Observation of bright fireballs in the Earth’s…
Ionospheric effects of the Kamchatka meteoroid: Results from multipath oblique sounding
Y. Luo, L.F. Chernogor, K.P. Garmash, Q. Guo, V.T. Rozumenko, S.N.Shulga, Y. Zheng Journal of Atmospheric and Solar-Terrestrial PhysicsVolume 207, 1 October 2020, 105336 LINK “Highlights • Kamchatka meteoroid of 18 December 2018 detected in…
In situ evidence of thermally induced rock breakdown widespread on Bennu’s surfaceOPEN ACCESS
J. L. Molaro, K. J. Walsh, E. R. Jawin, R.-L. Ballouz, C. A. Bennett, D. N. DellaGiustina, D. R. Golish, C. Drouet d’Aubigny, B. Rizk, S. R. Schwartz, R. D. Hanna, S. J. Martel, M….
Identification of chondritic krypton and xenon in Yellowstone gases and the timing of terrestrial volatile accretionOPEN ACCESS
Michael W. Broadley, Peter H. Barry, David V. Bekaert, David J. Byrne, Antonio Caracausi, Christopher J. Ballentine, and Bernard Marty PNAS, first published June 8, 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Identifying the origin of…
Electron Microprobe/SIMS Determinations of Al in Olivine: Applications to Solar Wind, Pallasites and Trace Element Measurements
Julie M. Paque, Amy E. Hofmann, Donald S. Burnett, Yunbin Guan, Amy J.G. Jurewicz, Dorothy S. Woolum, Chi Ma, George R. Rossman Geostandards & Geoanalytical Research LINK “Electron probe microanalyser measurements of trace elements with…
Impact-induced amino acid formation on Hadean Earth and Noachian MarsOPEN ACCESS
Yuto Takeuchi, Yoshihiro Furukawa, Takamichi Kobayashi, Toshimori Sekine, Naoki Terada & Takeshi Kakegawa Scientific Reports 10 , 1–7 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Abiotic synthesis of biomolecules is an essential step for the chemical origin…
Dating a Martian meteorite with 20 Myr precision using a prototype in-situ dating instrument
F. Scott Anderson, Jonathan Levine, Tom Whitaker Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 7 June 2020 LINK “Highlights • Using a prototype spaceflight Rb–Sr in-situ dating instrument called CODEX we demonstrate a…
Analysis of Ionospheric Disturbances Caused by the 2018 Bering Sea Meteor Explosion Based on GPS ObservationsOPEN ACCESS
Yiyong Luo, Yibin Yao and Lulu Shan Sensors 2020, 20(11), 3201Published: 4 June 2020 LINK (OPEN ACCESS)PDF (download) “The Bering Sea meteor explosion that occurred on 18 December 2018 provides a good opportunity to study…
The influence of meteor measurement errors on the heliocentric orbits of meteoroids
Mária Hajduková, Leonard Kornoš Planetary and Space ScienceAvailable online 7 June 2020, 104965 LINK “Highlights • We tested the dependence of the heliocentric orbital elements on the reduced meteor data, the pre-atmospheric velocity and the…
A chondrule formation experiment aboard the ISS: Experimental set-up and test experiments
Dominik Spahr, Tamara E. Koch, David Merges, Anna A. Beck, Bernhard Bohlender, Johan M. Carlsson, Oliver Christ, Shintaro Fujita, Philomena-Theresa Genzel, Jochen Kerscher, Tobin Knautz, Miles Lindner, Diego Mederos Leber, Victor Milman, Wolfgang Morgenroth, Fabian…
Collisional heating and compaction of small bodies: Constraints for their origin and evolution
Martin Jutzi, Patrick Michel IcarusAvailable online 5 June 2020, 113867 LINK “Highlights • We study the degree of collisional heating and compaction by analysing a large set of simulations of break-ups of small bodies in…
An unusual compound object in Yamato 793408 (H3.2‐an): The missing link between compound chondrules and macrochondrules?OPEN ACCESS
Jens Barosch, Dominik C. Hezel, Yves Marrocchi, Andrey Gurenko, Christoph Lenting Meteoritics & Planetary ScienceVersion of Record online:05 June 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We found a large (~2 mm) compound object in the…
Petrogenesis, alteration, and shock history of intermediate shergottite Northwest Africa 7042: Evidence for hydrous magmatism on Mars?
T.V. Kizovski, M.R.M. Izawa, K.T. Tait, D.E. Moser, J.M.D. Day, B.C. Hyde, L.F. White, L. Kovarik, S.D. Taylor, D.E. Perea, I.R. Barker, B.R. Joy Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 4 June…
The all-sky-6 and the Video Meteor Archive system of the AMS Ltd.
Mike Hankey, Vincent Perlerin, David Meisel Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 3 June 2020 LINK “Over a period of several years, the American Meteor Society, Ltd. (AMS) has developed a custom…
NanoSIMS isotopic investigation of xenolithic carbonaceous clasts from the Kapoeta howarditeOPEN ACCESS
Nan Liu, Ryan C. Ogliore, Lionel G. Vacher Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 2 June 2020 PDF (OPEN ACCESS) Kapoeta images LINK “We report on the investigation of the inventories of…
Meteoritic Nanodiamonds: Alternative Composition of Xenon Components
A. V. Fisenko & L. F. Semjonova Solar System Research, Volume 54, pages 253–262 (2020) LINK “For the first time, abundances of the main xenon components (Xe-P3, Xe-P3(fr), Xe-P6 and Xe-pr instead Xe-HL) in the…
New insights into the structure and formation of coals, terrestrial and extraterrestrial kerogens from resonant UV Raman spectroscopy
Eric Quirico, Lydie Bonal, Gilles Montagnac, Pierre Beck, Bruno Reynard Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 1 June 2020 LINK “Resonant UV (244 nm-excitation) Raman spectroscopy was used to characterize a series…
(Fe,Ni)2P allabogdanite can be an ambient pressure phase in iron meteoritesOPEN ACCESS
Konstantin D. Litasov, Tatyana B. Bekker, Nursultan E. Sagatov, Pavel N. Gavryushkin, Pavel G. Krinitsyn & Konstantin E. Kuper Scientific Reports 10 , 1–11 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “An orthorhombic modification of (Fe,Ni)2P, allabogdanite,…
Confirmed meteorite fall (~ 15.152 kg, H5, S2) on 22 July 2019 near Kauriahī (कौरिअही) village, Mahādēvā (महादेवा) village area, Kariot panchayat, Laukahī (लौकही) Block, Madhubanī District, Bihar, India at ~2:30 p.m. IST (~09:30 UTC)
The meteorite in Patna on 23 July 2019. Photo: Bihar Post Last update: 1 June 2020 On 22 Juli 2019 at around ~09:30 UTC (~2.30 p.m. IST) a meteorite of about 15.152 kg (H5, S2,…
Advances in Cosmochemistry Enabled by Antarctic MeteoritesOPEN ACCESS
Meenakshi Wadhwa, Timothy J. McCoy, and Devin L. Schrader Annual Review of Earth and Planetary Sciences Vol. 48:233-258 (Volume publication date May 2020)First published as a Review in Advance on January 8, 2020 LINK (OPEN…
Northwest Africa 8694, A ferroan chassignite: Bridging the gap between nakhlites and chassignites
R.H. Hewins, M. Humayun, J.A. Barrat, B. Zanda, J.P. Lorand, S. Pont, N. Assayag, P. Cartigny, S. Yang, V. Sautter Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 May 2020 LINK “The origin(s)…
Sampling interplanetary dust from Antarctic air
S. Taylor, J. H. Lever, K. D. Burgess, R. M. Stroud, D. E. Brownlee, L. R. Nittler, A. Bardyn, C. M. O’D. Alexander, K. A. Farley, J. Treffkorn, S. Messenger, P. J. Wozniakiewicz Meteoritics &…
Collisional formation of top-shaped asteroids and implications for the origins of Ryugu and BennuOPEN ACCESS
P. Michel, R.-L. Ballouz, O. S. Barnouin, M. Jutzi, K. J. Walsh, B. H. May, C. Manzoni, D. C. Richardson, S. R. Schwartz, S. Sugita, S. Watanabe, H. Miyamoto, M. Hirabayashi, W. F. Bottke, H….
A steeply-inclined trajectory for the Chicxulub impactOPEN ACCESS
G. S. Collins, N. Patel, T. M. Davison, A. S. P. Rae, J. V. Morgan, S. P. S. Gulick, G. L. Christeson, E. Chenot, P. Claeys, C. S. Cockell, M. J. L. Coolen, L. Ferrière,…
Role of spectral resolution for infrared asteroid compositional analysis using meteorite spectraOPEN ACCESS
A. Skulteti, A. Kereszturi, Zs. Kereszty, B. Pal, M. Szabo, F. Cipriani Accepted in MNRAS for publication on May 22nd, 2020 PDF (OPEN ACCESS) “In this work the potential mineral identification of meteorites is analysed…
Classification of CM chondrite breccias—Implications for the evaluation of samples from the OSIRIS‐REx and Hayabusa 2 missionsOPEN ACCESS
Sarah Lentfort, Addi Bischoff, Samuel Ebert, Markus Patzek Meteoritics & Planetary ScienceVersion of Record online: 25 May 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “CM chondrites are complex impact (mostly regolith) breccias, in which lithic clasts…
Sticking of dust/ micrometeorite particles on to ices at high impact velocities – Implications for astrochemical ice enrichment
E. Shivakarthik, J.K. Meka, Harish, V.S. Surendra, K.K. Rahul, R. Thombre, H. Hill, S. Vijayan, B. Sivaraman Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 22 May 2020 LINK “Highlights • Reddy tube was…
Outward migration of chondrule fragments in the Early Solar System: O-isotopic evidence for rocky material crossing the Jupiter Gap?
Devin L. Schrader, Kazuhide Nagashima, Jemma Davidson, Timothy J. McCoy, Ryan C. Ogliore, Roger R. Fu Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 22 May 2020 LINK “Determining the origins of chondrule precursors…
Hydrous olivine alteration on Mars and Earth
Zoltán Váci, Carl B. Agee, Christopher D. K. Herd, Erin Walton, Oliver Tschauner, Karen Ziegler, Vitali B. Prakapenka, Eran Greenberg, Sylvia Monique‐Thomas Meteoritics & Planetary ScienceVersion of Record online:21 May 2020 LINK “Hydrous alteration of…
New measurement technique for characterizing small extraterrestrial materials by X‐ray diffraction using the Gandolfi attachment
Naoya Imae, Makoto Kimura Meteoritics & Planetary ScienceVersion of Record online: 21 May 2020 LINK “Identification and characterization of small extraterrestrial samples, such as small Antarctic meteorites <~1 cm, require the development of convenient laboratory‐based…
Oxygen-isotope heterogeneity in the Northwest Africa 3358 (H3.1) refractory inclusions – Fluid-assisted isotopic exchange on the H-chondrite parent body
Samuel Ebert, Kazuhide Nagashima, Alexander N. Krot, Addi Bischoff Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 21 May 2020 LINK “The nature of oxygen-isotope heterogeneity in refractory inclusions [Ca,Al-rich inclusions (CAIs) and amoeboid…
Monitoring of Spatiotemporal Variations in the Production Rates of Cosmogenic Radionuclides in Chondrites of Different Orbits Falling to Earth
G. K. Ustinova & V. A. Alexeev Geochemistry International, Volume 58, pages 487–499 (2020) LINK “The paper presents data obtained on the production rates of cosmogenic radionuclides of different half-life in 42 chondrites that fell…
Exploring the Bimodal Solar System via Sample Return from the Main Asteroid Belt: The Case for Revisiting CeresOPEN ACCESS
Thomas H. Burbine & Richard C. Greenwood Space Science Reviews, Volume 216, Article number: 59 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Sample return from a main-belt asteroid has not yet been attempted, but appears technologically…
Solar system Nd isotope heterogeneity: Insights into nucleosynthetic components and protoplanetary disk evolution
Nikitha Susan Saji, Daniel Wielandt, Jesper Christian Holst, Martin Bizzarro Geochimica et Cosmochimica Acta LINK “High-precision Nd isotope measurements of a diverse set of solar system materials including bulk chondrites and achondrites reveal that their…
Silicon isotopic compositions of chondrule silicates in carbonaceous chondrites and the formation of primordial solids in the accretion disk
Johan Villeneuve, Yves Marrocchi, Emmanuel Jacquet Earth and Planetary Science LettersVolume 542, 15 July 2020, 116318 LINK “Highlights • Chondrules are characterized by large, in situ mass-dependent silicon isotopic variations.• These variations are inherited from…
Formation of chondrules and matrix in Kakangari chondrites
Jens Barosch, Denton S.Ebel, Dominik C. Hezel, Samuel Alpert, Herbert Palme Earth and Planetary Science LettersVolume 542, 15 July 2020, 116286 LINK “Highlights • We determined petrographic and chemical data in components of K chondrites.•…
Explaining the Variations in Isotopic Ratios in Meteoritic Amino AcidsOPEN ACCESS
Michael A. Famiano, Richard N. Boyd, Toshitaka Kajino, Satoshi Chiba, Yirong Mo, Takashi Onaka, Toshi Suzuki PDF (OPEN ACCESS) “Measurements of the isotopic abundances in meteoritic amino acids have found enhancements of 2H/H, 15N/14N, and…
Concerns of Organic Contamination for Sample Return Space MissionsOPEN ACCESS
Queenie Hoi Shan Chan, Rhonda Stroud, Zita Martins & Hikaru Yabuta Space Science Reviews volume 216, Article number: 56 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Analysis of organic matter has been one of the major…
Evidence for sodium-rich alkaline water in the Tagish Lake parent body and implications for amino acid synthesis and racemizationOPEN ACCESS
Lee F. White, Kimberly T. Tait, Brian Langelier, Elizabeth A. Lymer, Ana Černok, Tanya V. Kizovski, Chi Ma, Oliver Tschauner, and Richard I. Nicklin PNAS, first published May 11, 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS)…
The Tunguska event
O.G. Gladysheva IcarusIn Press, Journal Pre-proof, Available online 12 May 2020 LINK “Highlights • Calculations have shown that comets can disintegrate at an altitude of ~10 km.• Fragments of comet substance reached the Earth’s surface.• The…
Organic Matter in the Solar System—Implications for Future on-Site and Sample Return MissionsOPEN ACCESS
Zita Martins, Queenie Hoi Shan Chan, Lydie Bonal, Ashley King & Hikaru Yabuta Space Science Reviews, Volume 216, Article number: 54 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Solar system bodies like comets, asteroids, meteorites and…
The Non-carbonaceous–Carbonaceous Meteorite DichotomyOPEN ACCESS
T. Kleine, G. Budde, C. Burkhardt, T. S. Kruijer, E. A. Worsham, A. Morbidelli & F. Nimmo Space Science Reviews, Volume 216, Article number: 55 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The isotopic dichotomy between…
What is the Oxygen Isotope Composition of Venus? The Scientific Case for Sample Return from Earth’s “Sister” PlanetOPEN ACCESS
Richard C. Greenwood & Mahesh Anand Space Science Reviews, Volume 216, Article number: 52 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Venus is Earth’s closest planetary neighbour and both bodies are of similar size and mass….
An analytical formulation of isotope fractionation due to self-shielding
J.R. Lyons Geochimica et Cosmochimica Acta LINK “Isotope fractionation due to photochemical self-shielding is believed to be responsible for the enrichment of inner solar system planetary materials in the rare isotopes of carbon, nitrogen, and…
Evidence of extensive lunar crust formation in impact melt sheets 4,330 Myr ago
L. F. White, A. Černok, J. R. Darling, M. J. Whitehouse, K. H. Joy, C. Cayron, J. Dunlop, K. T. Tait & M. Anand Nature Astronomy (2020) LINK “Accurately constraining the formation and evolution of…
Qarabawi’s Camel Charm: Tracing the meteoritic origins of a cultural artifact
Rhiannon G. Mayne, Catherine M. Corrigan, Timothy J. McCoy, James M. D. Day, Timothy R. Rose Meteoritics & Planetary ScienceVersion of Record online:09 May 2020 LINK “Qarabawi’s Camel Charm was acquired from Abdullah Qarabawi of…
Combined micro X-ray fluorescence and micro computed tomography for the study of extraterrestrial volcanic rocks. The case of North West Africa (NWA) 8657: A shergottite martian meteorite
Carlo Porfido, Paola Manzari, Ignazio Allegretta, Roberto Terzano, Olga De Pascale, Giorgio S. Senesi TalantaVolume 217, 1 September 2020, 121114 LINK “Highlights • μ-XRF and μ-CT were combined to describe the mineralogy and microstructures of…
Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution
T. Morota, S. Sugita, Y. Cho, M. Kanamaru, E. Tatsumi, N. Sakatani, R. Honda, N. Hirata, H. Kikuchi, M. Yamada, Y. Yokota, S. Kameda, M. Matsuoka, H. Sawada, C. Honda, T. Kouyama, K. Ogawa, H….
Effects of solar activity on production rates of short‐lived cosmogenic radionuclides
Juraj Beno, Robert Breier, Jozef Masarik Meteoritics & Planetary ScienceVersion of Record online:08 May 2020 LINK “The solar activity can be quantified by solar modulation parameter Φ that affects the heliospheric magnetic field. This activity…
KAGUYA observation of global emissions of indigenous carbon ions from the MoonOPEN ACCESS
Shoichiro Yokota*, Kentaro Terada, Yoshifumi Saito, Daiba Kato, Kazushi Asamura, Masaki N. Nishino, Hisayoshi Shimizu, Futoshi Takahashi, Hidetoshi Shibuya, Masaki Matsushima and Hideo Tsunakawa Science Advances 06 May 2020:Vol. 6, no. 19, eaba1050DOI: 10.1126/sciadv.aba1050 LINK…
The selenium isotope composition of lunar rocks: Implications for the formation of the Moon and its volatile loss
Hauke Vollstaedt, Klaus Mezger, Ingo Leya Earth and Planetary Science LettersVolume 542, 15 July 2020, 116289 LINK “Highlights • Lunar mare basalts are ∼1‰ heavier in δ82/78 Se than chondrites and the Earth.• Lunar soils…
Onset of magma ocean solidification on Mars inferred from Mn-Cr chronometry
S. Kruijer, Lars E. Borg, Josh Wimpenny, Corliss K. Sio Earth and Planetary Science LettersAvailable online 7 May 2020, 116315 LINK “Highlights • There are no resolvable radiogenic 53Cr variations among martian meteorites.• Mantle differentiation…
Convective activity in a Martian magma chamber recorded by P‐zoning in Tissint olivineOPEN ACCESS
N. Mari, L. J. Hallis, L. Daly, M. R. Lee Meteoritics & Planetary ScienceVersion of Record online:07 May 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Tissint Martian meteorite is an unusual depleted olivine‐phyric shergottite, reportedly…
Strengths of meteorites—An overview and analysis of available data
Leos Pohl, Daniel T. Britt Meteoritics & Planetary ScienceVersion of Record online:07 May 2020 LINK “We report all available measurements on strength of meteorites, primarily focusing on compressive and tensile strengths and supplementary data such…
Fe2+ partitioning between the M1 and M2 sites in silicate crystals in some stony and stony-iron meteorites studied using X-ray diffraction and Mössbauer spectroscopy
A.A. Maksimova, E.V. Petrova, A.V. Chukin, M.I. Oshtrakh Journal of Molecular StructureVolume 1216, 15 September 2020, 128391 LINK “Highlights • XRD and Mössbauer spectroscopy of some stony and stony-iron meteorites.• Determination of Fe2+ partitioning among…
The effects of secondary processing in the unique carbonaceous chondrite Miller Range 07687
Pierre Haenecour, Christine Floss, Adrian J. Brearley, Thomas J. Zega Meteoritics & Planetary ScienceFirst Published: 3 May 2020 LINK “Our detailed mineralogical, elemental, and isotopic study of the Miller Range (MIL) 07687 meteorite showed that,…
Molecular evolution during hydrothermal reactions from formaldehyde and ammonia simulating aqueous alteration in meteorite parent bodies
Yoko Kebukawa, Satoru Nakashima, Hajime Mita, Yasuji Muramatsu, Kensei Kobayashi IcarusIn Press, Journal Pre-proof, Available online 3 May 2020 LINK “Highlights • Using an in-situ heatable liquid cell, we followed reaction kinetics simulating aqueous alteration…
Cosmic‐ray exposure age and heliocentric distance of the parent body of the Rumuruti chondrite PRE 95410
Tomoya Obase, Daisuke Nakashima, Tomoki Nakamura, Keisuke Nagao Meteoritics & Planetary Science LINK “We measured concentrations and isotopic ratios of noble gases in the Rumuruti (R) chondrite Mount Prestrud (PRE) 95410, a regolith breccia exhibiting…
Sectioning effects of porphyritic chondrules: Implications for the PP/POP/PO classification and correcting modal abundances of mineralogically zoned chondrulesOPEN ACCESS
Jens Barosch, Dominik C. Hezel, Lena Sawatzki, Lucia Halbauer, Yves Marrocchi Meteoritics & Planetary Science LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mineralogically zoned chondrules are a common chondrule type in chondrites. They consist of olivine cores,…
Early Impact Events on Chondritic Parent Bodies: Insights From NWA 11004, Reclassified as an LL7 Breccia
Y. Li, A. E. Rubin, W. Hsu, K. Ziegler JGR: Planets LINK “The NWA 11004 ordinary chondrite (OC) can provide insights into the complex petrogenetic processes of the early solar system. Although originally classified as…
Geochemistry and Petrogenesis of Northwest Africa (NWA) 10401: A new type of the Mg‐suite rocks?
Juliane Gross, Annette Hilton, Tabb C. Prissel, Jacob B. Setera, Randy L. Korotev, Abigail Calzada‐Diaz Journal of Geophysical Research: Planets LINK “The petrogenetic models of the lunar crust are built on the returned Apollo and…
Weak Magnetic Fields in the Outer Solar Nebula Recorded in CR Chondrites
Roger R. Fu, Pauli Kehayias, Benjamin P. Weiss, Devin L. Schrader, Xue‐Ning Bai, Jacob B. Simon JGR PlanetsVolume 125, 5 May 2020 LINK ” – Paleomagnetic measurements of carbonaceous chondrites can provide important constraints on…
Fireball fragmentation in the first half of the atmospheric trajectory
Lukáš Shrbený, Pavel Spurný, Jiří Borovička Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 1 May 2020 LINK “Highlights • Results on the fragmentation of fireballs in the first half of their atmospheric trajectory…
The spatial flux of Earth’s meteorite falls found via Antarctic dataOPEN ACCESS
G.W. Evatt, A.R.D. Smedley, K.H. Joy, L. Hunter, W.H. Tey, I.D. Abrahams, L. Gerrish Geology, 29 April 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Contemporary calculations for the flux of extraterrestrial material falling to the Earth’s…
Dynamic evolution of major element chemistry in protoplanetary disks and its implications for chondrite formationOPEN ACCESS
Yoshinori Miyazaki, Jun Korenaga PDF (OPEN ACCESS) “Chondrites are the likely building blocks of Earth, and identifying the group of chondrite that best represents Earth is a key to resolving the state of the early…
On models of meteoroid disruption into the cloud of fragments
I.G. Brykina, M.D. Bragin Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 27 April 2020 LINK “Highlights • Proposed and accepted models of meteoroid disruption into fragment cloud are compared.• Ablation is modeled using…
The Renazzo-like carbonaceous chondrites as resources to understand the origin, evolution, and exploration of the Solar System
N.M. Abreu, J.C. Aponte, E.A. Cloutis, A.N. Nguyen GeochemistryIn Press, Journal Pre-proof, Available online 27 April 2020 LINK “We present here a review of the characteristics of CR carbonaceous chondrite meteorites. Over the past three…
GATUTO meteorite fall (L6, S2, ~ 25 kg) 24 April 2020 ~ 8.27 p.m. (5.27 p.m. UTC) Kombuini, Kimicha and Gatuto villages, Kirinyaga County, Kenya
Last update: 4 July 2020 A meteorite (~ 200 grams, L6) is reported to have fallen through the roof of Mary Wamburu’s home and shattered on the concrete floor below. Mrs Wamburu was preparing supper…
In-situ preservation of nitrogen-bearing organics in Noachian Martian carbonatesOPEN ACCESS
Mizuho Koike, Ryoichi Nakada, Iori Kajitani, Tomohiro Usui, Yusuke Tamenori, Haruna Sugahara & Atsuko Kobayashi Nature Communications, Volume 11, Article number: 1988 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Understanding the origin of organic material on…
Ramgarh, Rajasthan, India: A 10 km diameter complex impact structureOPEN ACCESS
Thomas Kenkmann, Gerwin Wulf, Amar Agarwal Meteoritics & Planetary ScienceFirst Published: 23 April 2020 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Ramgarh structure is a morphological landmark in southeastern Rajasthan, India. Its 200 m high and…
The most primitive mesosiderite Northwest Africa 1878, subgroup 0
M. Kimura, N. Sugiura, A. Yamaguchi, K. Ichimura Meteoritics & Planetary ScienceFirst Published: 23 April 2020 LINK “All mesosiderites previously reported were subjected to thermal metamorphism and/or partial melting on the parent body. Therefore, their…
On the sodium enhancement in spectra of slow meteors and the origin of Na-rich meteoroidsOPEN ACCESS
Pavol Matlovič, Juraj Tóth, Leonard Kornoš, Stefan Loehle IcarusIn Press, Journal Pre-proof, Available online 22 April 2020 PDF (OPEN ACCESS) LINK “Highlights • The effect of speed dependency on the measured Na/Mg intensity ratio in…
The isotopic composition of volatiles in the unique Bench Crater carbonaceous chondrite impactor found in the Apollo 12 regolith
K.H. Joy, R. Tartèse, S. Messenger, M.E. Zolensky, Y. Marrocchi, D.R. Frank, D.A. Kring Earth and Planetary Science LettersVolume 540, 15 June 2020, 116265 LINK “Highlights • The lunar regolith has accumulated volatiles from impacting…
The effects of atmospheric entry heating on organic matter in interplanetary dust particles and micrometeorites
M.E.I. Riebe, D.I. Foustoukos, C.M.O’D. Alexander, A. Steele, G.D. Cody, B.O. Mysen, L.R. Nittler Earth and Planetary Science LettersVolume 540, 15 June 2020, 116266 LINK “Highlights • Atmospheric entry heating altered the organic matter in…
New implications for the origin of the IAB main group iron meteorites and the isotopic evolution of the noncarbonaceous (NC) reservoir
Connor D.Hilton, Richard J.Walker Earth and Planetary Science LettersVolume 540, 15 June 2020, 116248 LINK “Highlights • The IAB-MG iron meteorites have a μ182W value of −295 ± 3.• The IAB-MG are constrained to have…
Petrography, geochemistry and classification of ten new iron meteorites from Northwest Africa and Chile
Massimo D’Orazio Periodico di MineralogiaVol 89, No 1 (2020) LINK “I present detailed petrographic descriptions and major- and trace-element data on a set of ten new iron meteorites (irons) from Nortwest Africa and the Atacama…
Earliest evidence of a death and injury by a meteorite
O. Unsalan, A. Bayatlı, P. Jenniskens Meteoritics & Planetary ScienceFirst Published: 22 April 2020 LINK “Our planet experiences falls of meteorites with different airburst and ground impact risk. Some of these meteors can survive after…
Concepts of the Small Body Sample Return Missions – the 1st 10 Million Year Evolution of the Solar System
Yangting Lin, Yonghe Zhang, Sen Hu, Yuchen Xu, Weijia Zhou, Shijie Li, Wei Yang, Yang Gao, Mingtao Li, Qingzhu Yin, Douglas Lin & Wing Ip Space Science Reviews, Volume 216, Article number: 45 (2020)Published: 20…
Incremental melting in the ureilite parent body: Initial composition, melting temperatures, and melt compositions
Max Collinet, Timothy L. Grove Meteoritics & Planetary ScienceFirst Published: 19 April 2020 LINK “Ureilites are carbon‐rich ultramafic achondrites that have been heated above the silicate solidus, do not contain plagioclase, and represent the melting…
Hydrogen Isotopic Variations in the ShergottitesOPEN ACCESS
Shuai Wang and Sen Hu Geosciences 2020, 10(4), 148 LINK (OPEN ACCESS)PDF (DOWNLOAD) “Hydrogen isotopes in the shergottite Martian meteorites are among the most varied in Mars laboratory samples. By collating results of previous studies…
Th/U variability in Allende chondrules
Janne Blichert-Toft, Christa Göpel, Marc Chaussidon, F. Albarède Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 17 April 2020 LINK “Lead isotope compositions were measured on both single and combined chondrules from the CV3…
Hypervelocity cratering and disruption of the Northwest Africa 4502 carbonaceous chondrite meteorite: Implications for crater production, catastrophic disruption, momentum transfer and dust production on asteroids
George J. Flynn, Daniel D. Durda, Mason J. Molesky, Brian A. May, Spenser N. Congram, Colleen L. Loftus, Jacob R. Reagan, Melissa M. Strait, Robert J. Macke Planetary and Space ScienceIn Press, Journal Pre-proof, Available…
Meteorite transport—Revisited II
Jack Wisdom Meteoritics & Planetary ScienceFirst Published: 16 April 2020 LINK “In Wisdom (2017), I presented new simulations of meteorite transport from the chaotic zones associated with major resonances in the asteroid belt: the ν6…
Accretion of a large LL parent planetesimal from a recently formed chondrule populationOPEN ACCESS
Graham H. Edwards and Terrence Blackburn Science Advances 15 Apr 2020:Vol. 6, no. 16, eaay8641DOI: 10.1126/sciadv.aay8641 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chondritic meteorites, derived from asteroidal parent bodies and composed of millimeter-sized chondrules, record the…
A review of the chondrite–achondrite transition, and a metamorphic facies series for equilibrated primitive stony meteorites
Andrew G. Tomkins, Tim E. Johnson, Jennifer T. Mitchell Meteoritics & Planetary ScienceFirst Published: 13 April 2020 LINK “Here, the petrological features of numerous primitive achondrites and highly equilibrated chondrites are evaluated to review and…
Mineralogy and petrology of dark clasts in the Allan Hills 76005 polymict eucrite pairing group
Kevin Righter, Alexander P. Holmwood Meteoritics & Planetary Science LINK “The Allan Hills 76005 polymict eucrite pairing group consists of 15 paired masses recovered during six different field seasons in the Transantarctic Mountains. Although this…
Origin and age of metal veins in Canyon Diablo graphite nodules
Connor D. Hilton, Richard D. Ash, Philip M. Piccoli, David A. Kring, Timothy J. McCoy, Richard J. Walker Meteoritics & Planetary ScienceFirst Published: 9 April 2020 LINK “Previous studies attributed the origin of metal veins…
Variations in initial 26Al/27Al ratios among fine-grained Ca-Al-rich inclusions from reduced CV chondrites
Noriyuki Kawasaki, Sohei Wada, Changkun Park, Naoya Sakamoto, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 8 April 2020 LINK “Fine-grained Ca-Al-rich inclusions (FGIs) in CV chondrites are suggested to be…
Evidence for Asteroid Scattering and Distal Solar System Solids From Meteorite Paleomagnetism
James F. J. Bryson, Benjamin P. Weiss, Eduardo A. Lima, Jérôme Gattacceca, and William S. Cassata The Astrophysical Journal, Volume 892, Number 2 LINK Asteroid-sized bodies are predicted to have been scattered throughout the solar…
Study of the Composition of Aba Panu (L3) Meteorite Degassing Products
A. V. Stennikov, V. S. Fedulov, S. G. Naimushin, N. V. Dushenko & S. A. Voropaev Solar System Research, Volume 54, pages 150–154 (2020) LINK “The study of the degassing of primitive cosmic matter (in…
Terrestrial Alteration Mineral Assemblages in the NWA 10416 Olivine Phyric Shergottite
J.D. Piercy, J.C. Bridges, L.J. Hicks, J.L. MacArthur, R.C. Greenwood, I.A. Franchi Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 4 April 2020 LINK “We report on the alteration history of the olivine-phyric,…
Cascade Model for Planetesimal Formation by Turbulent Clustering
Thomas Hartlep and Jeffrey N. Cuzzi The Astrophysical Journal Volume 892, Number 2, 2020 April 1 LINK “We use a newly developed cascade model of turbulent concentration of particles in protoplanetary nebulae to calculate several…
A Global Fireball ObservatoryOPEN ACCESS
H. A. R. Devillepoix, M. Cupák, P. A. Bland, E. K. Sansom, M. C. Towner, R. M. Howie, B. A. D. Hartig, T. Jansen-Sturgeon, P. M. Shober, S. L. Anderson, G. K. Benedix, D. Busan,…
The origin and fate of volatile elements on Earth revisited in light of noble gas data obtained from comet 67P/Churyumov-GerasimenkoOPEN ACCESS
David V. Bekaert, Michael W. Broadley & Bernard Marty Scientific Reports, Volume 10, Article number: 5796 (2020) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The origin of terrestrial volatiles remains one of the most puzzling questions…
53Mn and 60Fe in iron meteorites—New data, model calculations
Ingo Leya, Jean‐Christophe David, Thomas Faestermann, Michaela Froehlich, Niko Kivel, Dominik Koll, Gunther Korschinek, Sarah McIntyre, Silke Merchel, Stefan Pavetich, Georg Rugel, Dorothea Schumann, Thomas Smith, Anton Wallner Meteoritics & Planetary Science First published: 31…
Alkali magmatism on a carbonaceous chondrite planetesimal
Jérôme Aléon, Alice Aléon-Toppani, Bernard Platevoet, Jacques-Marie Bardintzeff, Kevin D. McKeegan, and François Brisset PNAS, first published March 30, 2020 LINK “Recent isotopic and paleomagnetic data point to a possible connection between carbonaceous chondrites and…
Evaluation of terrestrial carbonaceous matter aromatization by Raman spectroscopy and its application to C chondrites
Jaques S. Schmidt, Ruth Hinrichs Meteoritics & Planetary Science LINK “A Raman method to estimate the aromatization degree of carbonaceous matter (CM) was established, and calibrated by literature data respecting differences in acquisition procedures. The…
Multiple early-formed water reservoirs in the interior of Mars
Jessica J. Barnes, Francis M. McCubbin, Alison R. Santos, James M. D. Day, Jeremy W. Boyce, Susanne P. Schwenzer, Ulrich Ott, Ian A. Franchi, Scott Messenger, Mahesh Anand & Carl B. Agee Nature Geoscience (2020)…
The effect of progressive space weathering on the organic and inorganic components of a carbonaceous chondrite
M.S. Thompson, R.V. Morris, S.J. Clemett, M.J. Loeffler, D. Trang, L.P. Keller, R. Christoffersen, D.G. Agresti Icarus In Press, Journal Pre-proof, Available online 27 March 2020 LINK “Highlights • Progressive space weathering of a carbonaceous…
A refractory inclusion with solar oxygen isotopes and the rarity of such objects in the meteorite record
Levke Kööp, Kazuhide Nagashima, Andrew M. Davis, Alexander N. Krot Meteoritics & Planetary Science First Published: 27 March 2020 LINK “NASA’s Genesis mission revealed that the Sun is enriched in 16O compared to the Earth…
Formation of Libyan Desert Glass: Numerical simulations of melting of silica due to radiation from near‐surface airbursts
Vladimir Svetsov, Valery Shuvalov, Igor Kosarev Meteoritics & Planetary Science First Published: 26 March 2020 LINK “Libyan Desert Glass contains meteoritic material and, therefore, its origin is most likely associated with an impact event. However,…
Radionuclides in Chassigny and Nakhla meteorites of Mars origin: Implications for their pre-atmospheric sizes and cosmic-ray exposure ages
P.P. Povinec, I. Sýkora, R.J. Macke, J. Tóth, L. Kornoš, V. Porubčan Planetary and Space Science In Press, Journal Pre-proof, Available online 26 March 2020 LINK “Highlights • Two Martian meteorites, Chassigny and Nakhla, were…
Superconductivity found in meteorites
James Wampler, Mark Thiemens, Shaobo Cheng, Yimei Zhu, and Ivan K. Schuller PNAS, first published March 23, 2020 LINK “Meteorites can contain a wide range of material phases due to the extreme environments found in…
Supply of phosphate to early Earth by photogeochemistry after meteoritic weathering
Dougal J. Ritson, Stephen J. Mojzsis & John. D. Sutherland Nature Geoscience (2020) Published: 23 March 2020 LINK “During terrestrial differentiation, the relatively small amount of phosphorus that migrated to the lithosphere was incorporated into…
Potassium Isotope Compositions of Carbonaceous and Ordinary Chondrites: Implications on the Origin of Volatile Depletion in the Early Solar SystemOPEN ACCESS
Hannah Bloom, Katharina Lodders, Heng Chen, Chen Zhao,Zhen Tian, Piers Koefoed, Mária K.Pető, Yun Jiang, Kun Wang (王昆) Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 23 March 2020 PDF (OPEN ACCESS) LINK…
Solar radiative transfer in Antarctic blue ice: spectral considerations, subsurface enhancement, inclusions, and meteoritesOPEN ACCESS
Andrew R. D. Smedley, Geoffrey W. Evatt, Amy Mallinson, and Eleanor Harvey The Cryosphere, 14, 789–809, 2020 Published: 05 Mar 2020 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We describe and validate a Monte Carlo model…
Exploring the efficiency of stepwise dissolution in removal of stubborn non-radiogenic Pb in chondrule U-Pb dating
Renaud Merle, Yuri Amelin, Qing-Zhu Yin, Magdalena H. Huyskens, Matthew E. Sanborn, Kazuhide Nagashima, Katsuyuki Yamashita, Trevor R. Ireland, Alexander N.Krot, Melanie J. Sieber Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 18…
Mass-independent fractionation of titanium isotopes and its cosmochemical implications
François Robert, Romain Tartèse, Guillaume Lombardi, Peter Reinhardt, Mathieu Roskosz, Béatrice Doisneau, Zhengbin Deng & Marc Chaussidon Nature Astronomy (2020) LINK “Isotopes of heavy elements are produced in various amounts by nuclear processes in stars….
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…
