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) Update (6 August 2020): LINK “Measurements of the isotopic abundances in meteoritic amino acids have found…
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…
FRIPON: a worldwide network to track incoming meteoroidsOPEN ACCESS
F. Colas, B. Zanda, S. Bouley, S. Jeanne, A. Malgoyre, M. Birlan, C. Blanpain, J. Gattacceca, L. Jorda, J. Lecubin, C. Marmo, J.L. Rault, J. Vaubaillon, P. Vernazza, C. Yohia, D. Gardiol, A. Nedelcu, B….
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…