The Mechanical Properties of Chelyabinsk LL5 Chondrite Under Compression and TensionOPEN ACCESS
Dmitry Zaytsev, Elijah N. Borodin, A. E. Dudorov & P. Panfilov Earth, Moon, and Planets, Volume 125, Article number: 2 (2021) LINK (OPEN ACCESS)PDF (DOWNLOAD) “The mechanical properties of Chelyabinsk LL5 chondrite (Chelyabinsk meteorite) were…
Chromium isotopic insights into the origin of chondrite parent bodies and the early terrestrial volatile depletion
Ke Zhu 朱柯, Frédéric Moynier, Martin Schiller, Conel M. O’D. Alexander, Jemma Davidson, Devin L. Schrader, Elishevah van Kooten, Martin Bizzarro Geochimica et Cosmochimica ActaAvailable online 27 February 2021 LINK “Chondrites are meteorites from undifferentiated…
Trace Element Conundrum of Natural QuasicrystalsOPEN ACCESS
Simone Tommasini, Luca Bindi, Maurizio Petrelli, Paul D. Asimow, and Paul J. Steinhardt ACS Earth Space Chem.Publication Date:February 25, 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS)Supporting information (Download) “We report laser ablation inductively coupled plasma mass…
Excellent mechanical properties of taenite in meteoric ironOPEN ACCESS
Shohei Ueki, Yoji Mine & Kazuki Takashima Scientific Reports 11 , 1–8 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Meteoric iron is the metal that humans first obtained and used in the earliest stage of metal culture….
129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements
Benoit Côté, Marius Eichler, Andrés Yagüe López, Nicole Vassh, Matthew R. Mumpower, Blanka Világos, Benjámin Soós, Almudena Arcones, Trevor M. Sprouse, Rebecca Surman, Marco Pignatari, Mária K. Pető, Benjamin Wehmeyer, Thomas Rauscher, Maria Lugaro Science,…
Micro-distribution of Oxygen Isotopes in Unequilibrated Enstatite Chondrites
Michael K. Weisberg, Noriko T. Kita, Kohei Fukuda, Guillaume Siron, Denton S.Ebel Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 25 February 2021 LINK “We report petrology and high precision, in situ oxygen isotope…
The Manifold Of Variations: impact location of short-term impactorsOPEN ACCESS
Alessio Del Vigna, Linda Dimare, Davide Bracali Cioci PDF (OPEN ACCESS) Update (20 May 2021) : LINK “The interest in the problem of small asteroids observed shortly before a deep close approach or an impact…
Large sulfur isotope fractionation in lunar volcanic glasses reveals the magmatic differentiation and degassing of the MoonOPEN ACCESS
Alberto E. Saal, Erik H. Hauri Science Advances 24 Feb 2021:Vol. 7, no. 9, eabe4641DOI: 10.1126/sciadv.abe4641 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Sulfur isotope variations in mantle-derived lavas provide important constraints on the evolution of planetary…
Globally distributed iridium layer preserved within the Chicxulub impact structureOPEN ACCESS
Steven Goderis, Honami Sato, Ludovic Ferrière, Birger Schmitz, David Burney, Pim Kaskes, Johan Vellekoop, Axel Wittmann, Toni Schulz, Stepan M. Chernonozhkin, Philippe Claeys, Sietze J. de Graaff, Thomas Déhais, Niels J. de Winter, Mikael Elfman,…
Statistical analysis of fireballs: Seismic signature surveyOPEN ACCESS
T. Neidhart, K. Miljković, E.K. Sansom, H.A.R. Devillepoix, T. Kawamura, J.-L. Dimech, M.A. Wieczorek, P.A. Bland accepted for publication in Astronomical Society of Australia (PASA) PDF (OPEN ACCESS) “Fireballs are infrequently recorded by seismic sensors…
Meteoritic Proteins with Glycine, Iron and LithiumOPEN ACCESS
Malcolm W. McGeoch, Sergei Dikler, Julie E. M. McGeoch PDF (OPEN ACCESS) see also similar text: Hemolithin: a Meteoritic Protein containing Iron and Lithium (22 February 2020) “We report that polymer amide [1] with a…
Space weathering of iron sulfides in the lunar surface environment
Toru Matsumoto, Takaaki Noguchi, Yu Tobimatsu, Dennis Harries, Falko Langenhorst, Akira Miyake, Hiroshi Hidaka Geochimica et Cosmochimica ActaAvailable online 19 February 2021 LINK “Highlights • Space weathering alters lunar iron sulfides and produces iron metal…
Precise initial abundance of Niobium-92 in the Solar System and implications for p-process nucleosynthesis
Makiko K. Haba, Yi-Jen Lai, Jörn-Frederik Wotzlaw, Akira Yamaguchi, Maria Lugaro, and Maria Schönbächler PNAS February 23, 2021 118 (8) LINK “The niobium-92–zirconium-92 (92Nb–92Zr) decay system with a half-life of 37 Ma has great potential…
Dynamic evolution of major element chemistry in protoplanetary disks and its implications for Earth-enstatite chondrite connection
Yoshinori Miyazaki, Jun Korenaga IcarusIn Press, Journal Pre-proof, Available online 19 February 2021 LINK “Chondrites are the likely building blocks of Earth, and identifying the group of chondrite that best represents Earth is a key…
Chemolithotrophy on the Noachian Martian breccia NWA 7034 via experimental microbial biotransformationOPEN ACCESS
Tetyana Milojevic, Mihaela Albu, Denise Kölbl, Gerald Kothleitner, Robert Bruner & Matthew L. Morgan Communications Earth & Environment 2 , 1–10 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Multiple lines of evidence indicate an active hydrogeological history…
XAFS and XRD study on Fe, Ni, and Ge in iron meteorite NWA 859
Huimin Shao, Hiroshi Isobe, Ginga Kitahara, Hiroshi Fukui & Akira Yoshiasa Physics and Chemistry of Minerals volume 48, Article number: 11 (2021) LINK “Iron meteorites record the evolutionary and cosmochemical processes of their parent bodies….
Oxygen isotope systematics of chondrules in the Paris CM2 chondrite: indication for a single large formation region across snow line
Noël Chaumard, Céline Defouilloy, Andreas T. Hertwig, Noriko T. Kita Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 February 2021 LINK “In-situ oxygen three-isotope analyses of chondrules and isolated olivine grains in the…
A pebble accretion model for the formation of the terrestrial planets in the Solar SystemOPEN ACCESS
Anders Johansen, Thomas Ronnet, Martin Bizzarro, Martin Schiller, Michiel Lambrechts, Åke Nordlund, Helmut Lammer Science Advances, 17 Feb 2021:Vol. 7, no. 8, eabc0444DOI: 10.1126/sciadv.abc0444 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Pebbles of millimeter sizes are abundant…
Meteorite fall in Falealupo-Tai, Vaisigano, Savai’i, Samoa on 3 February 2021
Last update: 20 February 2021 On 12 February the Samoa Observer reported that a meteorite fell in the costal village Falealupo-Tai in Vaisigano on Savai’i, Samoa in the morning or early afternoon on 3 February…
Origin of the degassing pipes at the Ries impact structure and implications for impact‐induced alteration on Mars and other planetary bodies
Christy Caudill, Gordon R. Osinski, Rebecca N. Greenberger, Livio L. Tornabene, Fred J. Longstaffe, Roberta L. Flemming, Bethany L. Ehlmann Meteoritics & Planetary ScienceVersion of Record online: 15 February 2021 LINK “The impact melt‐bearing breccias…
Breakup of a long-period comet as the origin of the dinosaur extinctionOPEN ACCESS
Amir Siraj & Abraham Loeb Scientific Reports, Volume 11, Article number: 3803 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The origin of the Chicxulub impactor, which is attributed as the cause of the K/T mass extinction…
Fireball characteristics derivable from acoustic dataOPEN ACCESS
Luke McFadden, Peter Brown, Denis Vida, Pavel Spurný PDF (OPEN ACCESS) Update (5 March 2021): LINK Journal of Atmospheric and Solar-Terrestrial Physics “Highlights • Fragmentation and ballistic energy estimates by seismic/infrasonic data.• Ballistic trajectory and…
Lunar feldspathic meteorite Dhofar 081: Petrochemical constraints on petrogenesis
Dwijesh Ray, Saumitra Misra & David R Nelson Journal of Earth System Science, Volume 130Article number: 39 (2021)Published: 13 February 2021 LINK “Two alternative petrogenetic models, plagioclase flotation and serial magmatism have been proposed to…
Mineralogy, petrology, geochemistry, and chronology of the Murrili (H5) meteorite fall: The third recovered fall from the Desert Fireball Network
S. Anderson, G. K. Benedix, L. V. Forman, L. Daly, R. C. Greenwood, I. A. Franchi, J. M. Friedrich, R. Macke, S. Wiggins, D. Britt, J. M. Cadogan, M. M. M. Meier, C. Maden, H….
Polyaromatic hydrocarbons in the Mukundpura (CM2) Chondrite
M.S. Kalpana, E.V.S.S.K. Babu, Devleena Mani, R.P. Tripathi, N. Bhandari Planetary and Space ScienceIn Press, Journal Pre-proof, Available online 12 February 2021 LINK “Highlights • The first report of soluble PAHs of Mukundpura (MK) CM2.0…
A long‐lived planetesimal dynamo powered by core crystallization
Clara Maurel, James F. J. Bryson, Jay Shah, Rajesh V. Chopdekar, L. T. Elkins‐Tanton, C. A. Raymond, Benjamin P. Weiss Geophysical Research LettersFirst published: 11 February 2021 LINK “The existence of numerous iron meteorite groups…
Shock deformation in zircon grains from the Mien impact structure, SwedenOPEN ACCESS
Josefin Martell, Carl Alwmark, Sanna Holm‐Alwmark, Paula Lindgren Meteoritics & Planetary ScienceVersion of Record online: 12 February 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Recognition of impact‐induced deformation of minerals is crucial for the identification and…
Host-star and exoplanet compositions: a pilot study using a wide binary with a polluted white dwarfOPEN ACCESS
Amy Bonsor, Paula Jofré, Oliver Shorttle, Laura K. Rogers, Siyi Xu, Carl Melis Monthly Notices of the Royal Astronomical SocietyPublished: 10 February 2021 LINK PDF (OPEN ACCESS) “Planets and stars ultimately form out of the…
Detection of a bolide in Jupiter’s atmosphere with Juno UVSOPEN ACCESS
Rohini S. Giles, Thomas K. Greathouse, Joshua A. Kammer, G. Randall Gladstone, Bertrand Bonfond, Vincent Hue, Denis C. Grodent, Jean‐Claude Gérard, Maarten H. Versteeg, Scott J. Bolton, John E. P. Connerney, Steven M. Levin Geophysical…
Widespread tissintite in strongly shock‐lithified lunar regolith breccias
Ai‐Cheng Zhang, Qin‐Ting Jiang, Naotaka Tomioka, Yan‐Jun Guo, Jia‐Ni Chen, Yang Li, Naoya Sakamoto, Hisayoshi Yurimoto Geophysical Research LettersFirst published: 06 February 2021 LINK “Shock‐lithification is a fundamental process of making rocks from fine‐grained and…
Alkali metals in white dwarf atmospheres as tracers of ancient planetary crustsOPEN ACCESS
Mark A. Hollands, Pier-Emmanuel Tremblay, Boris T. Gänsicke, Detlev Koester & Nicola Pietro Gentile-Fusillo Nature Astronomy (2021)Published: 11 February 2021 LINK PDF (OPEN ACCESS) “White dwarfs that accrete the debris of tidally disrupted asteroids provide…
Spectroscopic Investigation of the High-Pressure Behavior of Aliphatic Hydrocarbon: Implications for Planetary Processes
Spectroscopic Investigation of the High-Pressure Behavior of Aliphatic Hydrocarbon: Implications for Planetary Processes Abhisek Basu, Mainak Mookherjee, Christina Schiffert, Bianca Haberl, and Reinhard Boehler ACS Earth Space ChemistryPublication Date: February 10, 202 LINK “Octadecane (C18H38)…
Earth and Mars – distinct inner solar system products
Takashi Yoshizaki, William F. McDonough GeochemistryAvailable online 10 February 2021 LINK “Composition of terrestrial planets records planetary accretion, core-mantle and crust-mantle differentiation, and surface processes. Here we compare the compositional models of Earth and Mars…
The micrometeorite flux at Dome C (Antarctica), monitoring the accretion of extraterrestrial dust on EarthOPEN ACCESS
J. Rojas, J. Duprat, C. Engrand, E. Dartois, L. Delauche, M. Godard, M. Gounelle, J.D. Carrillo-Sánchez, P. Pokorný, J.M.C. Plane Earth and Planetary Science LettersVolume 560, 15 April 2021, 116794 LINK (OPEN ACCESS) “Highlights •…
EXAFS Determination of Clay Minerals in Martian Meteorite Allan Hills 84001 and Its Implication for the Noachian Aqueous EnvironmentOPEN ACCESS
Ryoichi Nakada, Gaku Tanabe, Iori Kajitani, Tomohiro Usui, Masashi Shidare and Tetsuya Yokoyama Minerals 2021, 11(2), 176 LINK (OPEN ACCESS)PDF (DOWNLOAD) “The aqueous environment of ancient Mars is of significant interest because of evidence suggesting…
Comparison of the Murchison CM2 and Allende CV3 chondrites
Kim V. Fendrich, Denton, S. Ebel Meteoritics & Planetary ScienceVersion of Record online:09 February 2021 LINK “The size, distribution, abundance, and physical and chemical characteristics of chondritic inclusions are key features that define the chondrite…
Jetting during oblique impacts of spherical impactors
Shigeru Wakita, Brandon Johnson, C. Adeene Denton, Thomas M.Davison IcarusAvailable online: 8 February 2021 LINK “Highlights • We examine the efficiency of jetting during oblique impacts.• Oblique impacts produce more jetted ejecta than vertical impacts.•…
Evaluating the O‐Cr‐Mo isotope signatures in various meteorites representing core–mantle–crust fragments: Implications for partially differentiated planetesimal(s) accreted in the early outer solar system
Arshad Ali, Iffat Jabeen Meteoritics & Planetary ScienceVersion of Record online: 07 February 2021 LINK “The Allende, Eagle Station pallasites (ESP), some ungrouped achondrites (UA), and ungrouped irons (UI) represent different types of meteorites; these…
A Study of Chromium and Silicon Nitrides in Carbonaceous Chondrites
Leitner J., Vollmer C., Harries D., Kodolányi J., Ott U., et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1878 PDF “We identified Si3N4 and CrN in metal-sulfide grains in a set of carbonaceous…
Hydrated Minerals on B-class Asteroids
Rivkin A. S., Howell E. S., Emery J. P., Richardson M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1945 PDF “B is for Bennu.” / Is that good enough for you? / Spectra disagree.”
Constraints on Chondrule Generation, Disk Dynamics, and Asteroid Accretion from the Compositions of Carbonaceous Meteorites
Bryson J. F. J., Brennecka G. A. 52nd Lunar and Planetary Science Conference (2021), Abstract #1301 PDF “The compositions of CC chondrites and iron meteorites originate from mixing NC chondrite material, CAI material, and CI…
Hydrothermal Ammoniation of Chondrites: Implications for Ceres
Izawa M. R. M., Koutoula E., Stancu M.-N., Yamashita S., Okuchi T. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2247 PDF “Hydrothermal reactions between carbonaceous chondrites and ammonia-water solutions do not produce…
Presolar Grain Abundance Variation in the Miller Range 090019 CO3.1 Chondrite
Nguyen A. N., Mane P., Ross D. K., Simon J. I. 52nd Lunar and Planetary Science Conference (2021), Abstract #2709 PDF “We determine a presolar O-rich grain abundance of 99ppm in MIL 090019 CO3.1. One…
The Presolar Grain Database for Silicon Carbide — Grain Type Assignments
Stephan T., Bose M., Boujibar A., Davis A. M., Gyngard F. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2358 PDF “The updated Presolar Grain Database now contains data for 19,976 SiC grains….
What Have We Learned About the Interior and Surface of Mars from Martian Meteorites
Udry A., Howarth G. H., Herd C. D. K., Day J. M. D., Lapen T. K. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1046 PDF “Martian meteorites are the only samples that…
Characterization of the Serra Pelada Meteorite by Raman: Implications for Planetary Formation and Hypotheses of Water Origin
Roque C., Nascimento-Dias B. L. 52nd Lunar and Planetary Science Conference (2021), Abstract #1312 PDF “This work performed the chemical and mineralogical characterization of the Serra Pelada meteorite, analyzing the implications of this meteorite for…
The Detection of Aromatic Amino Acids in CR Chondrites Suggests They are Prebiotically Plausible
Burton A. S., Berger E. L., Fox A. C., Lee C. 52nd Lunar and Planetary Science Conference (2021), Abstract #1475 PDF “Aromatic amino acids are hard to make in the lab, but their presence as…
Stalking a Large Carbonaceous Chondrite Asteroid Using ε54Cr-Δ17O Isotope Systematics of the Unique Xenolith Almahata Sitta 202
Miller A. M., Dey S., Yin Q.-Z., Goodrich C. A., Hamilton V. E., et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2360 PDF “Xenolithic clast, unique among the regolith: Who was your parent?”
Inheritance of Meteoritic Isotopic Anomalies from a Zoned Protosolar Cloud
Jacquet E., Pignatale F. C. 52nd Lunar and Planetary Science Conference (2021), Abstract #1042 PDF “Sequential infall from an isotopically zoned protosolar cloud created the range of isotopic compositions fossilized by CAIs. Bulk meteorites sample…
NRLEE Nucleosynthesis
Meyer B. S., Bermingham K. R., Frizzell K., Mezger K. 52nd Lunar and Planetary Science Conference (2021), Abstract #2598 PDF “NRLEEs are likely some sort of exploding white dwarf stars. They produce neutron-rich iron-group isotopes…
Isotopic Constraints on the Building Blocks of the Solar System
Bermingham K. R., Meyer B. S., Frizzell K., Mezger K. M. 52nd Lunar and Planetary Science Conference (2021), Abstract #2107 PDF “Isotopic variations in meteorites coupled with new nucleosynthesis models are used to constrain the…
Geochemical Constraints on Potential UOC Chondrule Genesis by Hypervelocity Impact Vapor Plumes and Likely Precursor Sources
Sheikh D., Humayun M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1279 PDF “Most UOC chondrules analyzed exhibit Ce, and Eu anomalies, implying a chondrule forming process that began oxidized but went reducing, consistent…
K Isotope Systematics of the CB Chondrite Gujba: Testing the Impact Plume Model of Formation
Koefoed P., Pravdivtseva O., Ogliore R., Jiang Y., Lodders K. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2310 PDF “High-precision K isotope analysis of chondrule and bulk fractions from the CB chondrite…
Producing Chondrules in the Outer Solar System: The Effect of Ice on Impact Jetting
Cashion M. D., Johnson B. C., Wakita S., Davison T., Krot A. N. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1737 PDF “In this work, we simulate collisions between bodies of mixed…
High Precision Al-Mg Chronology of Chondrules in Unequilibrated Ordinary Chondrites
Siron G., Kita N. T., Fukuda K., Kimura M., 52nd Lunar and Planetary Science Conference (2021), Abstract #1639 PDF “New analyses of UOC chondrules with a range of mesostasis compositions indicate a restrict range of…
Insights from Siderophile Elements into the Impact Origin of Mesosiderites
Dhaliwal J. K., Horan M. F., Ash R. D., Bullock E. S., Carlson R. W. 52nd Lunar and Planetary Science Conference (2021), Abstract #2236 PDF “Space rocks and breccias / Iron-loving elements / How did…
Further Insights of Temperature-Time Events on HED Parent Body Using U-Th-Pb Chronology of Zircon-Bearing Noritic Diogenite Northwest Africa 10666
Martinez C., Righter M., Lapen T. J., Irving A. J. 52nd Lunar and Planetary Science Conference (2021), Abstract #2699 PDF “We report zircon and apatite U-Th-Pb isotopic dating of zircon-bearing diogenite NWA 10666. The results…
Almahata Sitta is No More Exotic Than any Other Polymict Ureilite
Goodrich C. A., Bottke W. F., Walsh K. J., Daly R. T. 52nd Lunar and Planetary Science Conference (2021), Abstract #1331 PDF “Almahata Sitta (asteroid 2008 TC3) and typical polymict ureilites most likely formed in…
In Situ Constraints on the 60Fe Abundance in the Early Solar System
Kodolányi J., Hoppe P., Vollmer C. 52nd Lunar and Planetary Science Conference (2021), Abstract #1291 PDF “New NanoSIMS analyses of old chondrules (Al-Mg age: 1-2 million years after canonical CAIs) do not find significant in…
Constraints on the Ice Composition of Carbonaceous Chondrites
Sridhar N., Bryson J. F. J., King A. J., Harrison R. J. 52nd Lunar and Planetary Science Conference (2021), Abstract #1095 PDF “Compared to the CO and CM chondrites, magnetic measurements indicate that the CI…
Analysis of the Solar Proton Effects in the Stubenberg and Jesenice Chondrites
Ustinova G. K. 52nd Lunar and Planetary Science Conference (2021), Abstract #1310 PDF “The solar cosmic ray contributions to production of cosmogenic radionuclides in the near-surface layers of the chondrites of low ablation are estimated….
Organic Compounds in Mahadevpur H4/5 and Natun Balijan L4 Ordinary Chondrites by Raman Spectroscopy
Saikia B. J., Parthasarathy G., Borah R. R. 52nd Lunar and Planetary Science Conference (2021), Abstract #1853 PDF “Herein we identify organic trace in Mahadevpur H4/5 and Natun Balijan L4 ordinary chondrites by Raman Spectroscopy.”
Resolving the Contradictory Results for Chondrule Size Distributions When These are Empirically Determined and Theoretically Considered
Hezel D. C., Metzler K., Hochstein M. L. 52nd Lunar and Planetary Science Conference (2021), Abstract #2264 PDF “Chondrule size distributions are critical to understand chondrule formation, sorting, or fragmentation. We resolve a long-standing contradiction…
Oxygen Isotope Reservoirs in the Solar Nebula
Mane P., Desch S. J., Dunham E. T., Williams C. D. 52nd Lunar and Planetary Science Conference 2021, abstract #2566 PDF
Magnetization of Large C-Type Asteroids: A Detectable Consequence of Pebble Accretion?
S. W. Courville, O’Rourke J. G., Castillo-Rogez J. C., Oran R., Weiss B. P. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2355 PDF “The theory of pebble accretion implies that large planetesimals…
The Structure and Accretionary History of the CVox Parent Body Constrained from the Magnetization of Kaba
K. H. Dodds, Bryson J. F. J., Neufeld J. A., Harrison R. J. 52nd Lunar and Planetary Science Conference (2021), Abstract #2133 PDF “The magnetization of some CVox meteorites suggests their parent body was partially…
A Presolar Silicon Carbide Grain of Type C with Extremely Low 12C/13C Ratio
P. Hoppe, Schofield J., Pignatari M., Amari S. 52nd Lunar and Planetary Science Conference (2021), Abstract #1055 PDF “We report on a presolar SiC grain of Type C with an extremely low 12C/13C ratio of…
A CV Chondrite Clast in a CK Chondrite?
T. L. Dunn, Robak K. N., Gross J. 52nd Lunar and Planetary Science Conference (2021), Abstract #1063 PDF
Separate CAI Reservoirs for Allende (CV3) and Murchison (CM2)
D. S. Ebel, Fendrich K. V. 52nd Lunar and Planetary Science Conference (2021), Abstract #2311 PDF “Chemical compositions, textures, and sizes of CAIs reveal characteristic populations in CV and CM chondrites. With chondrule evidence, this…
Multiple CV Chondrule Precursors Originating from the Inner and Outer Solar System: Evidence from Cr-Ti-O Isotope Systematics of Allende Chondrules
K. Fukuda, Hibiya Y., Kastelle C. R., Suzuki K., Iizuka T. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1319 PDF “The large ranges of Cr-Ti-O isotope ratios among CV chondrules indicate that…
Micro-FTIR Imaging and Spectroscopy of Experimentally Space Weathered CM2 Chondrite Murchison
T. D. Glotch, Thompson M. S., Dukes C. A., Loeffler M. J. 52nd Lunar and Planetary Science Conference (2021), Abstract #2004 PDF “Space weathered chondrite: / Micro-infrared data / Show lots of changes.”
Studying the Main Mineralogy and Shock of the Bolivian H5 Chondrite Aiquile
J. Ibáñez-Insa, Trigo-Rodriguez J. M., Peña-Asensio E., Rimola A. 52nd Lunar and Planetary Science Conference (2021), Abstract #1385 PDF “A XRD study of the main mineral phases of Aiquile H5 chondrite is presented. SEM-EDX results…
Cosmogenic Radionuclides in Four Paired Antarctic L/LL Chondrites Indicate Similar Cosmic-Ray Exposure Age as Chelyabinsk LL Chondrite
K. C. Welten, Nishiizumi K., Caffee M. W. 52nd Lunar and Planetary Science Conference (2021), Abstract #1821 PDF “Cosmogenic radionuclides in 4 L/LL chondrites from Wisconsin Range, Antarctica indicate they are paired fragments. Their CRE…
Handling and Description of C-Type Asteroid Ryugu Samples Returned by Hayabusa2
T. Yada, Abe M., Nakato A., Yogata K., Miyazaki A. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2008 PDF “Hayabusa2 returned samples from C-type asteroid Ryugu last December. >5 grams of black…
Initial 244Pu/238U Ratios and Search for Presolar SiC in CAIs Inferred from Noble Gas and Trace Element Abundances in CAIs from CV3 Chondrites
D. Nakashima, Friedrich J. M., Ott U. 52nd Lunar and Planetary Science Conference (2021), Abstract #1944 PDF “The Pu/U ratio estimated from noble gas and REE abundances in the five CV3 CAIs is consistent with…
Short Cosmic-Ray Exposure Ages of CI and CM Chondrites May Reflect Disintegration of Volatile-Rich Asteroids at Perihelion
E. R. D. Scott, Herzog G. F. 52nd Lunar and Planetary Science Conference (2021), Abstract #1833 PDF “Dark, volatile-rich asteroids seem to disintegrate near the Sun. This may explain why CM and CI chondrites have…
Evidence Against Chondrule-Matrix Complementarity as Seen in CO, CM, and CR Chondrites
A. Patzer, Bullock E. S., Alexander C. M. O’D. 52nd Lunar and Planetary Science Conference (2021), Abstract #1866 PDF “We have investigated 12 CO, CM, and CR chondrites to test models for the compositions and…
Tender Energy X-Ray Microspectroscopy Reveals Microscale Heterogeneity of P and S Chemistry in CM2 Chondrite
P. A. Northrup, Wirick S., Flynn G. J. 52nd Lunar and Planetary Science Conference (2021), Abstract #2480 PDF “Tender energy X-ray absorption microspectroscopy at the TES beamline was used to directly measure microscale chemical speciation…
Do Water-Rich Carbonaceous Chondrites and the NEA Ryugu Share a Common Parent Body?
W. Neumann, Grott M., Trieloff M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1852 PDF “Properties of CI and CM parent bodies are investigated by fitting the carbonate formation temperature and age data with…
Fine-Grained Equant Troilite in the CM Chondrite Shidian: Potential Evidence for Low Temperature Post-Hydration Heating
L. E. Jenkins, Lee M. R., Daly L., Li S. 52nd Lunar and Planetary Science Conference (2021), Abstract #1204 PDF “Shidian, CM fall / Low temperature heating / Seen in troilite grains.”
Evidence for Extraterrestrial L-Amino Acid Excesses in the CM2 Aguas Zarcas and Murchison Meteorites: Predictions for Ryugu and Bennu
Glavin D. P., Elsila J. E., McLain H. L., Aponte J. C., Parker E. T. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1086 PDF “We report the detection of extraterrestrial L-amino acids…
Abiotic Synthesis of Organic Matter in Aqueous Environments Simulating Parent Bodies of Meteorites and the Effects of Minerals on the Production of Amino Acids
W. Elmasry, Kebukawa Y., Shibuya T., Kobayashi K. 52nd Lunar and Planetary Science Conference (2021), Abstract #1775 PDF “Minerals affected the formation of amino acids in aqueous environments in small solar system bodies and that…
Insoluble Organic Matter in Ryugu Analog Meteorite Jbilet Winselwan
B. T. De Gregorio, Stroud R. M. 52nd Lunar and Planetary Science Conference (2021), Abstract #2059 PDF “Studies of Ryugu return samples require refined approaches in sample preparation and analysis. We demonstrate advanced methods to…
Parent Body Processing in CR Chondrites Recorded by Noble Gases
H. Busemann, Schrader D. L., Alexander C. M. O’D., Spring N. H., Kuga M. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2718 PDF “Noble gases measured in a large number of CR…
Understanding Space Weathering of Carbonaceous Asteroids Through H+ and He+ Ion Irradiation of the Murchison Meteorite
D. L. Laczniak, Thompson M. S., Christoffersen R., Dukes C. A., Clemett S. J.et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2361 PDF “Solar wind in the asteroid belt / Helium, hydrogen ions,…
Hydrogen Content in Chondrules of CM Chondrites: Influence of Aqueous Alteration or Preaccretional Heritage?
S. Azevedo-Vannson, Remusat L., Piani L., Pont S., Roskosz M. 52nd Lunar and Planetary Science Conference (2021), Abstract #1867 PDF “Ion probe reveals high H content in NAMs of chondrules in Paris and Aguas Zarcas…
A New Occurrence of Phosphoran Olivine in Ungrouped Achondrite Northwest Africa 12319
R. L. Pang, Du W. 52nd Lunar and Planetary Science Conference (2021), Abstract #2417 PDF “We report the first description of P-rich olivine (up to 12.4 wt% P2O5) in an ungrouped achondrite NWA 12319 and…
Petrology and Oxygen Isotopic Composition of Two Different Ungrouped Highly Magnesian, Reduced Ultramafic Achondrites (Northwest Africa 11562/12969 and Northwest Africa 13307): More Samples from Unknown Parent Bodies
A. J. Irving, Carpenter P. K., Ziegler K. 52nd Lunar and Planetary Science Conference (2021), Abstract #2244 PDF “We describe unusual highly magnesian, reduced harzburgitic, and websteritic achondrites which differ significantly from the more well-known…
Comparing the Reflectivity of Ungrouped Carbonaceous Chondrites with those of Short Period Comets Like 2P/Encke
S. Tanbakouei, Trigo-Rodríguez J. M., Blum J., Williams I., Llorca J. 52nd Lunar and Planetary Science Conference (2021), Abstract #1581 PDF “The main goal of our work is to identify samples in our meteorite collections…
Extra-Terrestrial Carbon and Water Molecule in Mukundpura Carbonaceous Chondrite (CM2)
A. Dutta, Raychaudhuri D., Nevin C. G., Bhattacharya A. 52nd Lunar and Planetary Science Conference (2021), Abstract #1869 PDF “In the present study, LRS and FTIR spectroscopy has been carried out to determine qualitative and…
Hibonite and Its Associated Ultrarefractory Phases from the Paris CM Chondrite
Han J., Keller L. P. 52nd Lunar and Planetary Science Conference (2021), Abstract #2587 PDF “TEM studies of hibonite and its inclusions of Zr-bearing perovskite, lakargiite, tazheranite, and Os-Ir-W-Mo alloy to determine their microstructure, chemistry,…
Hydrogen Isotopic Composition of Water in the Ungrouped Carbonaceous Chondrite Tagish Lake
L. G. Vacher, Ogliore R. C., Liu N. 52nd Lunar and Planetary Science Conference (2021), Abstract #2528 PDF “We evaluate the δD value of the water in Tagish Lake (TL) from in-situ Si/H and δD…
Round up the unusual suspects: Near-Earth Asteroid 17274 (2000 LC16) a plausible D-type parent body of the Tagish Lake meteorite
Gordon M. Gartrelle, Paul S. Hardersen, Matthew R.M. Izawa, Matthew C. Nowinski IcarusIn Press, Journal Pre-proof, Available online 6 February 2021 LINK “Highlights • Spectral, visual, mathematical and Shkuratov radiative transfer analyses have determined near-Earth…
Mid-infrared reflectance spectroscopy of synthetic glass analogs for mercury surface studies
Andreas Morlok, Christian Renggli, Bernard Charlier, Maximilian P. Reitze, Stephan Klemme, Olivier Namur, Martin Sohn, Dayl Martin, Iris Weber, Leksandra N.Stojic, Harald Hiesinger, Katherine H.Joy, Roy Wogelius, Peter Tollan, Cristian Carli, Karin E. Bauch, Joern…
Multi-collector 40Ar/39Ar dating of microtektites from Transantarctic Mountains (Antarctica): a definitive link with the Australasian tektite/microtektite strewn field
Gianfranco Di Vincenzo, Luigi Folco, Martin D.Suttle, Lauren Brase, Ralph P. Harvey Geochimica et Cosmochimica Acta Available online 5 February 2021 LINK “Microtektites represent high-velocity/distal meteorite impact ejecta. Demonstrating that microtektites found at several locations…
Mineralogy and Bulk Elemental Composition of Ungrouped Relatively Sodic Gabbroic Achondrite Erg Chech 002: An Ancient Planetary Crustal Sample?
P. K. Carpenter, Irving A. J., Righter M., Lapen T. J., Tepper J. H. 52nd Lunar and Planetary Science Conference (2021), Abstract #2205 PDF “A unique mafic gabbroic achondrite characterized by sodic plagioclase may represent…
Petrology and Geochemistry of Erg Chech 002, the Oldest Andesite in the Solar System
A. Yamaguchi, Barrat J. A., Chaussidon M., Beck P., Villeneuvee J. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1892 PDF “We present the petrology and geochemistry of Erg Chech 002, and discuss…
Mineralogy and Cooling History of Ungrouped Achondrite Erg Chech 002
T. Mikouchi, Zolensky M. E. 52nd Lunar and Planetary Science Conference (2021), Abstract #2457 PDF “Erg Chech 002 is characterized by large pyroxene xenocrysts whose diffusive zoning profiles suggest fast cooling from high temperature. Trapping…
Multi-Stage Differentiation History of Andesitic Achondrite Erg Chech 002
R. W. Nicklas, Day J. M. D., Gardner-Vandy K. G., Udry A. 52nd Lunar and Planetary Science Conference (2021), Abstract #1074 PDF “Erg Chech 002 is a new evolved achondrite dominated by pyroxene, plagioclase, and…
26Al Chronology of Erg Chech 002, the Oldest Andesite in the Solar System
M. Chaussidon, Barrat J. A., Yamaguchi A., Beck P., Villeneuve J. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2222 PDF “26Al chronology shows that the Erg Chech 002 meteorite of andesitic composition…
Petrology of the opaque assemblages in unequilibrated ordinary chondrites
Samuel P. Alpert, Denton S. Ebel, Michael K. Weisberg, Jeremy R. Neiman Meteoritics & Planetary ScienceVersion of Record online: 05 February 2021 LINK “Opaque assemblages (OAs) are small (submillimeter) objects composed primarily of metals, sulfides,…
The Flensburg (C1-Ungrouped) 2019 Meteorite Fall: Raman Spectroscopy and Compilation of Magnetic Susceptibility Data on C — Ungrouped Falls/Finds
The Flensburg (C1-Ungrouped) 2019 Meteorite Fall: Raman Spectroscopy and Compilation of Magnetic Susceptibility Data on C — Ungrouped Falls/Finds Hoffmann V. H., Wimmer K., Kaliwoda M., Schmahl W., Schmitt-Kopplin P. 52nd Lunar and Planetary Science…
Occurrence of the Sodium Carbonate Shortite in the Flensburg C1 Chondrite
Occurrence of the Sodium Carbonate Shortite in the Flensburg C1 Chondrite D. Harries 52nd Lunar and Planetary Science Conference (2021), Abstract #1953
The Bulk Mineralogy and Water Contents of the Carbonaceous Chondrite Falls Kolang and Tarda
The Bulk Mineralogy and Water Contents of the Carbonaceous Chondrite Falls Kolang and Tarda King A. J., Bates H. C., Schofield P. F., Russell S. S. 52nd Lunar and Planetary Science Conference (2021), Abstract #1909…
The Kolang (CM 1/2) and Tarda (C2 ungrouped) Meteorite Falls from 2020: First Systematic Mineralogical Investigations by LASER Raman Spectroscopy and SEM/EDX
The Kolang (CM 1/2) and Tarda (C2 ungrouped) Meteorite Falls from 2020: First Systematic Mineralogical Investigations by LASER Raman Spectroscopy and SEM/EDX Hoffmann V. H., Kaliwoda M., Schmahl W., Wimmer K., Schmitt-Kopplin P. 52nd Lunar…
Bulk Mineralogy of the Tarda (C2-ung) 2020 Fall: Results from Powder XRD and Thermal (TG-DSC-MSEGA) Analysis
Bulk Mineralogy of the Tarda (C2-ung) 2020 Fall: Results from Powder XRD and Thermal (TG-DSC-MSEGA) Analysis L. A. J. Garvie, Trif L. 52nd Lunar and Planetary Science Conference (2021), Abstract #2446 “Tarda (C2-ung) is dominated…
Distribution of Terrestrial and Extraterrestrial Organic Compounds in the C2 Ungrouped Tarda Carbonaceous Chondrite
Distribution of Terrestrial and Extraterrestrial Organic Compounds in the C2 Ungrouped Tarda Carbonaceous Chondrite L. D. Tunney, P. J. A. Hill, C. D. K. Herd, R. W. Hilts, and M. C. Holt 52nd Lunar and…
Exploring the Planetary Genealogy of Tarda — A Unique New Carbonaceous Chondrite
Exploring the Planetary Genealogy of Tarda — A Unique New Carbonaceous Chondrite Dey S., Yin Q.-Z., Zolensky M. 52nd Lunar and Planetary Science Conference (2021), Abstract #2517 “Enigmatic new meteorite from Morocco, / Sibling of…
Tarda (C2-Ung): A New and Unusual Carbonaceous Chondrite Meteorite Fall from Morocco
Tarda (C2-Ung): A New and Unusual Carbonaceous Chondrite Meteorite Fall from Morocco Chennaoui Aoudjehane H., Agee C. B., Ziegler K., Garvie L. A. J., Irving A. et al. 52nd Lunar and Planetary Science Conference (2021),…
Clast Populations Within the CM2.2 Brecciated Carbonaceaous Chondrite Aguas Zarcas: Implications for Understanding Aqueous Alteration on Ryugu
Clast Populations Within the CM2.2 Brecciated Carbonaceaous Chondrite Aguas Zarcas: Implications for Understanding Aqueous Alteration on Ryugu P. M. C. Martin, Lee M. R. 52nd Lunar and Planetary Science Conference (2021), Abstract #2068 “Petrological characterization…
Meteoritic amino acids as chemical tracers of parent body chemistries
Y Ellinger, M Lattelais, F Pauzat, J-C Guillemin, B Zanda Monthly Notices of the Royal Astronomical Society, stab217 LINK “The analysis of the organic matter of meteorites made it possible to identify over 70 amino…
Ceres, a wet planet: The view after Dawn
Thomas B. McCorda, Jean-Philippe Combe, Julie C. Castillo-Rogez, Harry Y. McSween, Thomas H. Prettyman GeochemistryAvailable online 3 February 2021, 125745 LINK “Ceres, a nearly 1000-km diameter body located in the Solar System’s main asteroid belt,…
Australasian microtektites across the Antarctic continent: Evidence from the Sør Rondane Mountain range (East Antarctica)OPEN ACCESS
Bastien Soens, Matthias van Ginneken, Steven Goderis Geoscience FrontiersAvailable online 2 February 2021 LINK (OPEN ACCESS) “Highlights • Discovery of microtektites (n = 33) on the eastern Antarctic continent.• Physicochemical properties consistent with the Australasian strewn field.•…
Extension of the plasma radiation database PARADE for the analysis of meteor spectraOPEN ACCESS
Stefan Loehle, Martin Eberhart, Fabian Zander, Arne Meindl, Regina Rudawska, Detlef Koschny, Joe Zender, Ron Dantowitz, Peter Jenniskens Meteoritics & Planetary ScienceFirst Published: 3 February 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The advancement in the…
Lunar meteorites from northern Africa
Randy L. Korotev, Anthony J. Irving Meteoritics & Planetary ScienceFirst Published: 2 February 2021 LINK “We report bulk composition data for 235 stones of ~77 lunar meteorites from northern Africa and 33 lunar meteorites from…
The aqueous alteration of CM chondrites, a review
M.D. Suttle, A.J. King, P.F. Schofield, H.Bates, S.S. Russell Geochimica et Cosmochimica ActaAvailable online 2 February 2021 LINK “The CM chondrites are samples of primitive water-rich asteroids formed during the early solar system. They record…
Simultaneous determination of mass-dependent Mg isotopic variations and radiogenic 26Mg by laser ablation-MC-ICP-MS and implications for the formation of chondrules
Zhengbin Deng, Marc Chaussidon, Denton S. Ebel, Johan Villeneuve, Julien Moureau, Frédéric Moynier Geochimica et Cosmochimica ActaAvailable online 2 February 2021 LINK “Improvements in our understanding of the formation of chondrules requires a better knowledge…
The polymict carbonaceous breccia Aguas Zarcas: A potential analog to samples being returned by the OSIRIS‐REx and Hayabusa2 missionsOPEN ACCESS
Imene Kerraouch, Addi Bischoff, Michael E. Zolensky, Andreas Pack, Markus Patzek, Romy D. Hanna, Marc D. Fries, Dennis Harries, Yoko Kebukawa, Loan LeMotoo, ItoZia Rahman Meteoritics & Planetary ScienceFirst Published: 2 February 2021 LINK (OPEN…
Bubbles to Chondrites-I. Evaporation and condensation experiments, and formation of chondrulesOPEN ACCESS
Yuki Nakano & Akihiko Hashimoto Progress in Earth and Planetary Science volume 7, Article number: 47 (2020) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We propose a simple model of chondrule formation that is supported by our…
Bubbles to Chondrites-II. Chemical fractionations in chondritesOPEN ACCESS
Akihiko Hashimoto & Yuki Nakano Progress in Earth and Planetary Science volume 8, Article number: 9 (2021) LINK (OPEN ACCESS)PDF (DOWNLOAD) “We attempt to develop a possible theory of chemical fractionations in chondrites, that is…
Application of a dielectric breakdown induced by high-power lasers for a laboratory simulation of meteor plasma
Anna Křivková, Lukáš Petera, Vojtěch Laitl, Petr Kubelík, Elias Chatzitheodoridis, Libor Lenža, Jakub Koukal, Antonín Knížek, Roman Dudžák, Dan Páclík, Svatopluk Civiš, Miroslav Krůs & Martin Ferus Experimental AstronomyPublished: 01 February 2021 LINK “Spectra of…
Aubrite Pesyanoe: Clues to composition and evolution of the enstatite achondrite parent body
C. A. Lorenz, M. A. Ivanova, F. Brandstaetter, N. N. Kononkova, N. G. Zinovieva Meteoritics & Planetary ScienceFirst Published: 1 February 2021 LINK “The Pesyanoe aubrite is an essentially polymict regolith breccia comprised by fragments…
