Ultrasodic, Albite-Rich Syenitic Achondrite Erg Atouila 001: A Highly Evolved Felsic Igneous Differentiate from the Acapulcoite-Lodranite Parent Body
Irving A. J., Boesenberg J. S., Ziegler K. LPSC2022 abstract #2059 LINK “Studies of a unique albite-rich achondrite suggest that it is a highly fractionated partial melt related to acapulcoites-lodranites.”
ERG ATOUILA 001: UNIQUE ALBITITE ACHONDRITE METEORITE
C. B. Agee, A. J. Ross, M. N. Spilde, K. Ziegler 53rd Lunar and Planetary Science Conference (2022) abstract [#2442] LINK “Erg Atouila 001 is the first example of an albitite or syenite meteorite, and…
Tagish Lake is Still the Only Possible Meteorite Sample from D-Type Asteroids
Hiroi T. Ohtsuka K. Zolensky M. E. Rutherford M. J. Milliken R. E. PDF LPSC 2022 abstract [#1149] “Although some meteorite candidates such as Tarda have been suggested, Tagish Lake is still the only possible…
Tracing Organic Contamination from Collection to Curation: Best Practices for the Recovery and Contamination Mitigation of Meteorites
Tunney L. D. Hill P. J. A. Herd C. D. K. Hilts R. W. PDF LPSC 2022 abstract [#2103] “In this study, we derive six key recommendations for recovering, handling, and curating freshly fallen meteorites.”
Brecciation on the Aguas Zarcas Parent Body Revealed Using Clast Petrofabrics
Floyd C. J. * Macente A. Daly L. Hanna R. D. Lee M. R. PDF LPSC 2022 abstract [#1470] “Chondrules in chondrites / What secrets are they hiding / Fabrics reveal all.”
Noble Gases in the Very Primitive CM Chondrites Asuka 12085 and 12236 — Filling the Gap
Pacnik H. Eckart L. M. Krietsch D. Maden C. Busemann H. * PDF LPSC 2022 abstract [#1987] “Noble gases confirm that A-12085 and 12236 are very primitive CMs; the accreted matrix contains Ar-rich grains that…
LASER Raman Spectroscopy on Aguas Zarcas (CM2) — the 2019 Meteorite Fall from Costa Rica
Hoffmann V. H. Kaliwoda M. Junge M. Schmahl W. W. PDF LPSC 2022 abstract [#2231] “A large slice of Aguas Zarcas (CM2) was analyzed systematically by LASER Raman spectroscopy. The results are compared with Raman…
Dynamic Evolution of the Solar System Inferred from Ti, Cr, and Mo Isotope Anomalies in Meteorites
Wölfer E. * Burkhardt C. Schneider J. M. Budde G. Kleine T. PDF LPSC 2022 abstract [#2468] “We report new Ti and Cr isotopic data to constrain the efficiency of the NC-CC separation and its…
A Jump of an Iron Meteorite
Moilanen J. Gritsevich M. PDF LPSC 2022 abstract [#2933] “We study is it possible that a 14 kg iron meteorite can jump 75 meters after hitting on a granite boulder.”
Possible Origin of the First Iron Meteorite with an Instrumentally Documented Fall
Kyrylenko I. Golubov O. Slyusarev I. Visuri J. Gritsevich M. et al. PDF LPSC 2022 abstract [#2655] “We determine the orbit of the first iron meteoroid with instrumentally recorded fall, simulate its past orbital evolution…
In-Situ Oxygen Isotope Study of Anhydrous Minerals in a Ryugu Particle: Implications for the Precursors to CI-Chondrite Parent Bodies
Liu M.-C. McCain K. A. Matsuda N. Yamaguchi A. Kimura M. et al. PDF LPSC 2022 abstract [#2276] “Ryugu’s olivine / Not only chondrule pieces / But also AOA remains.”
Carbonaceous Presolar Grains in Asteroid Ryugu
Nittler L R. Barosch J. De Gregorio B. T. Stroud R. M. Yabuta H. et al. PDF LPSC 2022 abstract [#1423] “Dust made of carbon / Older than Sun, found in / Ryugu samples..”
Organics and Their Relationship to Phyllosilicates in Ryugu, Orgueil and Ivuna: In Situ TEM and XANES Study
Le Guillou C. Bernard S. Leroux H. Noguchi T. Yurimoto H. et al. PDF LPSC 2022 abstract [#2099] “Organics in Ryugu are less oxygenated than CI chondrites. Either terrestrial weathering or parent body alteration conditions…
Olivine Compositional Variation of Asteroid Ryugu Samples: Possible Precursors of Ryugu’s Parent Asteroid
Mikouchi T. Nakamura T. Zolensky M. E. Yoshida H. Nakashima D. et al. PDF LPSC 2022 abstract [#1935] “Ryugu samples have rare olivine-bearing fragments, possible precursors of Ryugu’s parent asteroid. Ryugu olivines are compositionally similar…
Mineralogical Comparison Between Asteroid Ryugu Samples Returned by the Hayabusa2 Spatial Mission and Antarctic Micrometeorites (AMMs)
Bejach L. Engrand C. Duprat J. Dartois E. Mathurin J. et al. PDF LPSC 2022 abstract [#1924] “Ryugu samples are made of phyllosilicates, magnetite, Fe sulfides, carbonates, rare apatite. AMMs show similar magnetite structures (~5%),…
Comparison of Ryugu Particles with IDPs and Comet Samples
Brownlee D. E. Joswiak D. J. Nakamura T. Morita T. Amano K. et al. PDF LPSC 2022 abstract [#1774] “TEM studies compare 50µm Ryugu particles with comet samples and stratospheric IDPs. Ryugu is similar to…
Amino Acid Analyses of a Sample of Ryugu by a Combination of Liquid Chromatography and High-Resolution Mass Spectrometry Techniques
Parker E. T. * Furusho A. Glavin D. P. Hamase K. Naraoka H. et al. PDF LPSC 2022 abstract [#2651] “This abstract summarizes the amino acid analyses of the acid-hydrolyzed, hot water extract of the…
The Oxygen Isotopic Composition of Hayabusa2 Particles: Testing the Relationship with CI and CY Chondrites
Greenwood R. C. Findlay R. Franchi I. A. Malley J. A. Ito M. et al. PDF LPSC 2022 abstract [#2105] “High-precision oxygen isotope analysis of returned samples from asteroid Ryugu demonstrates a close affinity with…
Reflectance Spectral Comparison Between a Large Ryugu Returned Sample and Carbonaceous Chondrites
Amano K. * Matsuoka M. Nakamura T. Kagawa E. Hiroi T. et al. PDF LPSC 2022 abstract [#1789] “We measured reflectance spectra of the samples collected from asteroid Ryugu by Hayabusa2 and compared the results…
The Oxygen Isotopic Composition of Samples Returned from Asteroid Ryugu: Evidence for Similarity to CI Chondrites
Young E. D. * Tang H. Tafla L. Pack A. Di Rocco T. et al. PDF LPSC 2022 abstract [#1290] “Oxygen isotope analyses of samples returned from asteroid Ryugu resemble CI chondrites but differ in…
Multi-Isotopic Analyses of Bulk Ryugu Samples Returned by the Hayabusa2 Mission
Yokoyama T. * Hayabusa2-Initial-Analysis Chemistry Hayabusa2-Initial-Analysis Core PDF LPSC 2022 abstract [#1273] “We report preliminary results on the isotopic compositions of Ti, Cr, and Pb obtained from the Ryugu samples and some carbonaceous chondrites.”
Soluble Organic Compounds in Asteroid 162173 Ryugu
Naraoka H. * Takano Y. Dworkin J. P. Hayabusa2-Initial-Analysis SOM Team Hayabusa2-Initial-Analysis Core PDF LPSC 2022 abstract [#1781] “We report soluble organic compounds in the slovent-extract samples in the Ryugu grains collected by the Hayabusa2…
Macromolecular Organic Matter in C-Type Asteroid Ryugu
Yabuta H. * Cody G. D. Engrand C. Kebukawa Y. De Gregorio B. et al. PDF LPSC 2022 abstract [#2241] “The initial analysis results on macromolecular organic matter from the asteroid Ryugu samples are presented…
Isotopic Compositions of Noble Gases and Nitrogen in the Ryugu Samples Returned by Hayabusa2
Okazaki R. * Marty B. Busemann H. Hashizume K. Gilmour J. et al. PDF LPSC 2022 abstract [#1348] “We report the first results of measurements for isotopic ratios and concentrations of noble gases and nitrogen…
Mineralogy and Space Weathering of Fine Fraction Recovered from Asteroid (162173) Ryugu
Noguchi T. * Matsumoto T. Miyake A. Igami Y. Haruta M. et al. PDF LPSC 2022 abstract [#1747] “The grains recovered from Ryugu by the Hayabusa2 have mineralogy similar to that of CIs and show…
Early History of Ryugu’s Parent Asteroid: Evidence from Return Sample
Nakamura T. * Matsumoto M. Amano K. Enokido Y. Zolensky M. E. et al. PDF LPSC 2022 abstract [#1753] “Formation and evolution of Ryugu’s parent asteroid were estimated based on mineralogical and physical properties of…
Chemical and Isotopic Characterization of Asteroid Ryugu
Yurimoto H. * Hayabusa2-Initial-Analysis Chemistry Team Hayabusa2-Initial-Analysis Core PDF LPSC 2022 abstract [#1377] Returned samples from C-type asteroid Ryugu show strong similarities to CI (Ivuna-like) carbonaceous chondrites.”
