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…
Improved method of hydrous mineral detection by latitudinal distribution of 0.7-μm surface reflectance absorption on the asteroid Ryugu
Shingo Kameda, Yasuhiro Yokota, Toru Kouyama, Eri Tatsumi, Marika Ishida, Tomokatsu Morota, Rie Honda, Naoya Sakatani, Manabu Yamada, Moe Matsuoka, Hidehiko Suzuki, Yuichiro Choe, Masahiko Hayakawa, Chikatoshi Honda, Hirotaka Sawada, Kazuo Yoshioka, Kazunori Ogawa, Seiji…
Cohesion of regolith: Measurements of meteorite powdersOPEN ACCESS
Yuuya Nagaashi, Takanobu Aoki, Akiko M. Nakamura Accepted for publication in Icarus PDF (OPEN ACCESS) Update (6 February 2021): LINK “The cohesion of particles has a significant effect on the properties of small bodies. In…
The discovery of meteorites near the Yamato Mountains: How the 1969 discoveries changed planetary science
Akira Yamaguchi, Kazuyuki Shiraishi, Ralph Harvey Meteoritics & Planetary ScienceInvited ReviewVersion of Record online: 27 January 2021 LINK “No abstract is available for this article.”
A detailed record of the BELARE 2019－2020 meteorite recovery expedition on the Nansen Ice Field, East AntarcticaOPEN ACCESS
Steven Goderis, Mehmet Yesiltas, Hamed Pourkhorsandi, Naoki Shirai, Manu Poudelet, Martin Leitl, Akira Yamaguchi, Vinciane Debaille, Philippe Claeys Antarctic Record 65:1-20 – Conference Paper LINK (OPEN ACCESS)PDF (OPEN ACCESS) “This report summarizes the Belgian Antarctic…
Ådalen / Refvelsta / Altuna / Fjärdhundra (prov.) iron meteorite of 7 November 2020 (21:27:04 UT) bolide found near Revelsta, Altuna, Fjärdhundra, Enköping Municipality, Uppsala County, Sweden
Last update: 15 September 2025 (19:15 CEST) The regmaglypted ‘Ådalen’ (prov.) iron meteorite with its velvety fusion crust. Photo: Andreas Forsberg and Anders Zetterqvist On 23 February it was announced that on 5 December 2020…
In-situ visualization of dynamic fracture and fragmentation of an L-type ordinary chondrite by combined synchrotron X-ray radiography and microtomography
Lukasz Farbaniec, David J. Chapman, Jack R.W. Patten, Liam C. Smith, James D. Hogan, Alexander Rack, Daniel E. Eakins IcarusIn Press, Journal Pre-proof, Available online 26 January 2021 LINK “Highlights • Dynamic mechanical properties of…
Primordial porous structure of chondrite parent bodies due to self-gravityOPEN ACCESS
Tomomi Omura, Akiko M. Nakamura Accepted for publication in The Planetary Science Journal PDF (OPEN ACCESS) “The porosity of an asteroid is important when studying the evolution of our solar system through small bodies and…
Implications of High Polarization Degree for the Surface State of RyuguOPEN ACCESS
Daisuke Kuroda, Jooyeon Geem, Hiroshi Akitaya, Sunho Jin, Jun Takahashi, Koki Takahashi, Hiroyuki Naito, Kana Makino, Tomohiko Sekiguchi, Yoonsoo P. Bach, Jinguk Seo, Shuji Sato, Hiroshi Sasago, Koji S. Kawabata, Aoi Kawakami, Miyako Tozuka, Makoto…
Space Weathering within C-Complex Main Belt Asteroid FamiliesOPEN ACCESS
Cristina A. Thomas, David E. Trilling, Andrew S. Rivkin, Tyler Linder to be published in the Astronomical Journal PDF (OPEN ACCESS) “Using data from the Sloan Digital Sky Survey Moving Object Catalog, we study color…
ID-TIMS zircon U-Pb geochronology of the Camel Donga eucrite
Makiko K. Haba, Jörn-Frederik Wotzlaw Chemical GeologyAvailable online 22 January 2021 LINK “Highlights • A method for efficient extraction of small zircons from bulk meteorite samples.• High-precision ID-TIMS U-Pb dating for zircons from the Camel…
Olivines in main-group pallasites: magma-ocean cumulates or partial melting residues?OPEN ACCESS
J.-A. Barrat, L. Ferrière Geochemical Perspectives Letters v16Published 21 January 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Main-group pallasites (MGPs) are meteorites mainly composed of Fe-Ni metal and olivines, the latter being considered as one of…
Bifurcation of planetary building blocks during Solar System formationOPEN ACCESS
Tim Lichtenberg, Joanna Dra̧żkowska, Maria Schönbächler, Gregor J. Golabek, Thomas O. Hands Science, 22 Jan 2021Vol. 371, Issue 6527, pp. 365-370 PDF (OPEN ACCESS) Published 21 January 2021; authors’ version LINK Supplementary Materials (PDF) “Geochemical…
A very early origin of isotopically distinct nitrogen in inner Solar System protoplanetsOPEN ACCESS
Damanveer S. Grewal, Rajdeep Dasgupta & Bernard Marty Nature Astronomy (2021) LINK Preprint (differs from the journal version) PDF (OPEN ACCESS)Journal PDF (OPEN ACCESS) “Understanding the origin of life-essential volatiles such as nitrogen (N) in…
Salt – A critical material to consider when exploring the solar system
M.R.M. Izawa, P.L. King, P. Vernazza, J.A. Berger, W.A. McCutcheon IcarusAvailable online 20 January 2021 LINK “Highlights • Mid-IR spectra of mixtures of salt and E, C, and O chondrites are reported.• Intimate mixtures of…
Study of Bursa L6 ordinary chondrite by X‐ray diffraction, magnetization measurements, and Mössbauer spectroscopy
Alevtina A. Maksimova, Evgeniya V. Petrova, Andrey V. Chukin, Ozan Unsalan, Ábel Szabó, Zoltán Dankházi, Israel Felner, Dmitry A. Zamyatin, Ernő Kuzmann, Zoltán Homonnay, Michael I. Oshtrakh Meteoritics & Planetary ScienceVersion of Record online: 20…
The Allende meteorite: Landmark and cautionary tale
Timothy J. McCoy, Catherine M. Corrigan Meteoritics & Planetary ScienceInvited Review, Version of Record online: 20 January 2021 LINK
CM carbonaceous chondrite falls and their terrestrial alterationOPEN ACCESS
Martin R. Lee, Luke Daly, Cameron Floyd, Pierre‐Etienne Martin Meteoritics & Planetary ScienceVersion of Record online: 18 January 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The CM carbonaceous chondrites provide unique insights into the composition of…
Presolar stardust in highly pristine CM chondrites Asuka 12169 and Asuka 12236OPEN ACCESS
Larry R. Nittler, Conel M. O’D. Alexander, Andrea Patzer, Maximilien J. Verdier‐Paoletti Meteoritics & Planetary ScienceVersion of Record online: 18 January 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report a NanoSIMS search for presolar grains…
Fe‐redox changes in Itokawa space‐weathered rimsOPEN ACCESS
L. J. Hicks, J. C. Bridges, T. Noguchi, A. Miyake, J. D. Piercy, S. H. Baker Meteoritics & Planetary ScienceVersion of Record online: 18 January 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Synchrotron Fe‐K X‐ray absorption…
The response of zircon to the extreme pressures and temperatures of a lightning strikeOPEN ACCESS
Gavin G. Kenny & Matthew A. Pasek Scientific Reports volume 11, Article number: 1560 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Hypervelocity impacts can produce features in zircon that are not normally produced by endogenic processes….
Elemental composition and physical characteristics of the massive meteorite of the Saudi Empty QuarterOPEN ACCESS
M. S. AlSalhi, V. Masilamani, Nasser Alarifi, W. Aslam Farooq, M. Atif, Shahid Ramay, Hayat Saeed Althobaiti, Saqib Anwar, Ibrahim Elkhedr, Bassam A.Abuamarah Journal of King Saud University – ScienceIn Press, Journal Pre-proof, Available online…
Iron‐rich olivine in the unequilibrated ordinary chondrite, MET 00526: Earliest stages of formation
Elena Dobrică, Adrian J. Brearley Meteoritics & Planetary ScienceVersion of Record online: 12 January 2021 LINK “In order to understand the effects of the earliest stages of hydrothermal alteration and fluid‐assisted metamorphism on the matrices…
Calathus: A sample-return mission to Ceres
Oriane Gassot, Paolo Panicucci, Giacomo Acciarini, Helena Bates, Manel Caballero, Pamela Cambianica, Maciej Dziewiecki, Zelia Dionnet, Florine Enengl, Selina-Barbara Gerig, Felix Hessinger, Lucy Kissick, Moritz Novak, Carmine Pellegrino, Angèle Pontoni, Tânia M.Ribeiro, Clemens Riegler, Nini…
Microstructures of enstatite in fine-grained CAIs from CV3 chondrites: Implications for mechanisms and conditions of formation
Shaofan Che, Adrian J. Brearley Geochimica et Cosmochimica ActaAvailable online 12 January 2021 LINK “Enstatite is a ubiquitous phase in chondritic meteorites, interplanetary dust particles, and cometary samples. In equilibrium condensation models, enstatite is predicted…
Nickel isotopic evidence for late-stage accretion of Mercury-like differentiated planetary embryosOPEN ACCESS
Shui-Jiong Wang, Wenzhong Wang, Jian-Ming Zhu, Zhongqing Wu, Jingao Liu, Guilin Han, Fang-Zhen Teng, Shichun Huang, Hongjie Wu, Yujian Wang, Guangliang Wu & Weihan Li Nature Communications, Volume 12, Article number: 294 (2021) LINK (OPEN…
Dwarf planet (1) Ceres surface bluing due to high porosity resulting from sublimationOPEN ACCESS
Stefan E. Schröder, Olivier Poch, Marco Ferrari, Simone De Angelis, Robin Sultana, Sandra M. Potin, Pierre Beck, Maria Cristina De Sanctis & Bernard Schmitt Nature Communications 12 , 1–9 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The…
Stirred not shaken; critical evaluation of a proposed Archean meteorite impact in West GreenlandOPEN ACCESS
Chris Yakymchuk, Christopher L. Kirkland, Aaron J.Cavosie, Kristoffer Szilas, Julie Hollis, Nicholas J.Gardiner, Pedro Waterton, Agnete Steenfelt, Laure Martin Earth and Planetary Science LettersVolume 557, 1 March 2021, 116730 LINK (OPEN ACCESS) “Highlights • We…
Organic Matter in Cometary EnvironmentsOPEN ACCESS
Adam J. McKay and Nathan X. Roth Life 2021, 11(1), 37Review LINK (OPEN ACCESS)PDF (download) “Comets contain primitive material leftover from the formation of the Solar System, making studies of their composition important for understanding…
The Great Chinese Fireball of December 22, 2020OPEN ACCESS
Albino Carbognani manuscript submitted to EPJPlus Update (9 March): manuscript v2 submitted to EPJPlus PDF (OPEN ACCESS) Update (2 June 2021): The European Physical Journal Plus volume 136, Article number: 616 (2021)LINK (OPEN ACCESS)PDF (OPEN…
Collisions and compositional variability in chondrule-forming eventsOPEN ACCESS
Emmanuel Jacquet Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 8 January 2021 LINK PDF (OPEN ACCESS) “Compound chondrules, i.e. chondrules fused together, make a powerful probe of the density and compositional diversity in…
Carbonaceous chondrite meteorites experienced fluid flow within the past million yearsOPEN ACCESS
Simon Turner, Lucy McGee, Munir Humayun, John Creech, Brigitte Zanda Science 08 Jan 2021:Vol. 371, Issue 6525, pp. 164-167DOI: 10.1126/science.abc8116 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials “Carbonaceous chondritic meteorites are primordial Solar System materials…
Trajectory and orbit of the unique carbonaceous meteorite FlensburgOPEN ACCESS
Jiří Borovička, Felix Bettonvil, Gerd Baumgarten, Jörg Strunk, Mike Hankey, Pavel Spurný, Dieter Heinlein Manuscript submitted to Meteoritics & Planetary Science PDF (OPEN ACCESS) Update (9 February 2021): LINK “The C1-ungrouped carbonaceous chondrite Flensburg fell…
Heating events in the nascent solar system recorded by rare earth element isotopic fractionation in refractory inclusionsOPEN ACCESS
J. Y. Hu, N. Dauphas, F. L. H. Tissot, R. Yokochi, T. J. Ireland, Z. Zhang, A. M. Davis, F. J. Ciesla, L. Grossman, B. L. A. Charlier, M. Roskosz, E. E. Alp, M. Y….
Synthesis of Organic Matter in Aqueous Environments Simulating Small Bodies in the Solar System and the Effects of Minerals on Amino Acid FormationOPEN ACCESS
Walaa Elmasry, Yoko Kebukawa, and Kensei Kobayashi Life 2021, 11(1), 32 LINK (OPEN ACCESS)PDF (DOWNLOAD) “The extraterrestrial delivery of organics to primitive Earth has been supported by many laboratory and space experiments. Minerals played an…
Modeling the evaporation of CAI-like melts, and constraining the origin of CH-CB CAIs
Marina A. Ivanova, Ruslan A. Mendybaev, Sergei I. Shornikov, Cyril A. Lorenz, Glenn J. MacPherson Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 5 January 2021 LINK “To address the bulk compositions of CAIs…
The effects of terrestrial weathering on samarium‑neodymium isotopic composition of ordinary chondritesOPEN ACCESS
Hamed Pourkhori, Vinciane Debaille, Rosalind M.G. Armytage, Matthias van Ginneken, Pierre Rochette, Jérôme Gattacceca Chemical GeologyAvailable online 4 January 2021 LINK PDF (OPEN ACCESS) Submitted: 13 January 2021 “Following their fall to Earth, meteorites experience…
Thermally altered subsurface material of asteroid (162173) Ryugu
K. Kitazato, R. E. Milliken, T. Iwata, M. Abe, M. Ohtake, S. Matsuura, Y. Takagi, T. Nakamura, T. Hiroi, M. Matsuoka, L. Riu, Y. Nakauchi, K. Tsumura, T. Arai, H. Senshu, N. Hirata, M. A….
The origin of the Moon’s Earth-like tungsten isotopic composition from dynamical and geochemical modelingOPEN ACCESS
Rebecca A. Fischer, Nicholas G. Zube & Francis Nimmo Nature Communications, Volume 12, Article number: 35 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Earth and Moon have identical or very similar isotopic compositions for many…
History of the solar nebula from meteorite paleomagnetismOPEN ACCESS
Benjamin P. Weiss, Xue-Ning Bai and Roger R. Fu Science Advances 01 Jan 2021:Vol. 7, no. 1, eaba5967DOI: 10.1126/sciadv.aba5967 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Materials “We review recent advances in our understanding of magnetism…
Nebular thermal processing of accretionary fine-grained rims in the Paris CM chondrite
P-M. Zanetta, H. Leroux, C. Le Guillou, B. Zanda, R.H. Hewins Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 December 2020 LINK “Highlights • Fine-grained rims are less altered than the matrix in…
Chondrules from high-velocity collisions: thermal histories and the agglomeration problemOPEN ACCESS
Nick Choksi, Eugene Chiang, Harold C. Connolly Jr., Zack Gainsforth, Andrew J. Westphal Major revisions to agglomeration, connections made to Hayabusa2 and OSIRIS-REx. Minor updates to Sections 2.3 and 3.2 discussing the treatment of the…
Petrographic and isotopic investigations of two unusual Ca-Al-rich Inclusions from primitive CO3 chondrites
A. T. Hertwig, M.-C. Liu, A.J. Brearley, S.B. Simon Geochimica et Cosmochimica ActaAvailable online 28 December 2020 LINK “We performed high-precision SIMS (secondary ion mass spectrometry) 26Al-26Mg and oxygen isotope analyses of two unique CAIs,…
An unusual porous, cryptocrystalline forsterite chondrule in Murchison
Michael Zolensky, Tomoki Nakamura, James Martinez, Yuma Enokido Meteoritics & Planetary ScienceVersion of Record online: 28 December 2020 LINK “We describe a fragmented cryptocrystalline chondrule consisting solely of forsterite (Fo98) in the Murchison CM2 chondrite,…
Organic Material on Ceres: Insights from Visible and Infrared Space ObservationsOPEN ACCESS
Andrea Raponi, Maria Cristina De Sanctis, Filippo Giacomo Carrozzo, Mauro Ciarniello, Batiste Rousseau, Marco Ferrari , Eleonora Ammannito, Simone De Angelis, Vassilissa Vinogradoff, Julie C. Castillo-Rogez, Federico Tosi, Alessandro Frigeri, Michelangelo Formisano, Francesca Zambon, Carol…
Al‐Mg isotopic study of spinel‐rich fine‐grained CAIs
Glenn J. MacPherson, Alexander N. Krot, Kazuhide Nagashima Meteoritics & Planetary ScienceFirst published: 23 December 2020 LINK “High‐precision SIMS analyses of seven spinel‐rich fine‐grained CAIs from the CV3 chondrites Efremovka, Kaba, and Vigarano and the…
Formation of Venus, Earth and Mars: Constrained by Isotopes
Helmut Lammer, Ramon Brasser, Anders Johansen, Manuel Scherf & Martin Leitzinger Space Science ReviewsPublished: 22 December 2020 LINKUpdate (12 February 2021); PDF (OPEN ACCESS) “Here we discuss the current state of knowledge of terrestrial planet…
Volatile abundances and hydrogen isotope ratios of apatite in Martian basaltic breccia NWA 11522—A paired stone of NWA 7034
Aimee Smith, Lydia J. Hallis, Kazuhide Nagashima, Gary R. Huss Meteoritics & Planetary ScienceVersion of Record online: 22 December 2020 LINK “This study aimed to determine the volatile content (Cl, F, OH) and hydrogen isotope…
Crystallization histories of the group IIF iron meteorites and Eagle Station pallasites
Connor D. Hilton, Richard D. Ash, Richard J. Walker Meteoritics & Planetary ScienceVersion of Record online: 22 December 2020 LINK “The group IIF iron meteorites and Eagle Station pallasites (PES) have highly siderophile element abundances…
Meteoritic evidence for a Ceres-sized water-rich carbonaceous chondrite parent asteroid
V. E. Hamilton, C. A. Goodrich, A. H. Treiman, H. C. Connolly Jr, M. E. Zolensky & M. H. Shaddad Nature Astronomy (2020)Published: 21 December 2020 LINK “Carbonaceous chondrite meteorites record the earliest stages of…
Nature of the Clinoenstatite Rim in Refractory Forsterite-Rich Objects from Carbonaceous Chondrites: First Results of Study by the Method of Electron Backscatter Diffraction (EBSD)
S. V. Berzin, V. A. Koroteev, K. A. Dugushkina, V. V. Shilovskikh, D. A. Zamyatin & S. Yu. Stepanov Doklady Earth Sciences, Volume 495, pages 812–815 LINK “A clinoenstatite rim occurs in many refractory forsterite-rich…
New constraints on the formation of main group pallasites derived from in situ trace element analysis and 2D mapping of olivine and phosphate
M. Chernonozhkin, Seann J. McKibbin, Steven Goderis, Stijn J.M.Van Malderen, Philippe Claeys, Frank Vanhaecke Chemical GeologyAvailable online 20 December 2020 LINK “Pallasites are stony‑iron meteorites consisting mainly of olivine and Fe-Ni metal with a formation…
Effects of early intense bombardment on megaregolith evolution and on lunar (and planetary) surface samples
William K. Hartmann, Alessandro Morbidelli Meteoritics & Planetary ScienceVersion of Record online: 18 December 2020 LINK “Impact rates in the first 500 Myr of the solar system are critical to an understanding of lunar geological…
New discovery of two seismite horizons challenges the Ries–Steinheim double-impact theoryOPEN ACCESS
Elmar Buchner, Volker J. Sach & Martin Schmieder Scientific Reports 10 , 1–14 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Nördlinger Ries and the Steinheim Basin are widely perceived as a Middle Miocene impact crater doublet….
Analysis of amino acids, hydroxy acids, and amines in CR chondritesOPEN ACCESS
José C. Aponte, Jamie E. Elsila, Jason E. Hein, Jason P. Dworkin, Daniel P. Glavin, Hannah L. McLain, Eric T. Parker, Timothy Cao, Eve L. Berger, Aaron S. Burton Meteoritics & Planetary ScienceVersion of Record…
Meteoritical Bulletin updates
- Oued El Hamim 003 (Eucrite)
- Northwest Africa 18237 (Ureilite)
- Northwest Africa 18222 (Ureilite)
- Northwest Africa 18223 (Eucrite)
- Northwest Africa 18205 (H3)
- Northwest Africa 18206 (Eucrite-melt breccia)
- Northwest Africa 18122 (Eucrite)
- Ganq 027 (L3)
- Dalangtan 004 (H3)
- Northwest Africa 18188 (LL3)
- Hammadah al Hamra 348 (Ureilite)
- Gadamis 010 (Angrite)
- Northwest Africa 18184 (CV3)
- Northwest Africa 18180 (H3)
- Northwest Africa 18181 (L3)
- Sabkhat Arryd 002 (Eucrite-pmict)
- Northwest Africa 18183 (Eucrite-melt breccia)
- Yagan 003 (LL3)
- Northwest Africa 18164 (CK3)
- Northwest Africa 18163 (Winonaite)
