A Potential Origin for 16O-Poor Cosmic Spherules: A Near-Earth Source and Parentage with CY Chondrites
Van Ginneken M. Goderis S. Maeda R. Wozniakiewicz P. Genge M. et al. PDF LPSC 2022 abstract [#2491] “We studied 16O-poor CumPo cosmic spherules with unique petrological and geochemical characteristics suggesting a near-Earth source and…
Oxygen-Isotope Compositions of Chondrules in Metal-Rich Carbonaceous Chondrites Fountain Hills and Sierra Gorda 013
Krot A. N. Nagashima K. Ivanova M. A. Lauretta D. S. Libourel G. et al. PDF LPSC 2022 abstract [#1301] “O-isotope compositions of chondrules in Fountain Hills and Sierra Gorda 013 are similar to those…
Mineralogy, Petrography, and Presolar Components of the Chwichiya 002 Ungrouped Chondrite
Smith R. L. Haenecour P. Barnes J. J. Dominik K. Neuman M. et al. PDF LPSC 2022 abstract [#2873] “We constrained the mineralogy, petrography, and elemental composition of Chwichiya 002 in preparation for a NanoSIMS…
Bulk Mineralogy of the “CT” Chondrites: Results from Powder X-Ray Diffraction
Garvie L. A. J. Irving A. J. PDF LPSC 2022 abstract [#2217] “The CT chondrites are mineralogically diverse, some contain phyllosilicates, though some are largely anhydrous.”
CT Chondrites: A Newly Recognized Carbonaceous Chondrite Group with Multiple Members, Including Telakoast 001, Chwichiya 002, and Cimarron
Irving A. J. Gattacceca J. Ziegler K. Sonzogni C. Carpenter P. K. et al. PDF LPSC 2022 abstract [#2046] “Multi-faceted analyses of a suite of fine grained CM-like carbonaceous chondrites have revealed the existence of…
Spectral Reflectance Properties of the C2-Ungrouped Tarda Meteorite
Applin D. M. Schrader D. L. Cloutis E. A. Nakamura T. Matsuoka M. PDF LPSC 2022 abstract [#2218] “We study the spectral reflectance properties of the Tarda meteorite in order to assess similarities to the…
Detailed Coordinated Analysis of the Mineralogy, Petrography, and Elemental Composition of the Carbonaceous Chondrite Falls Tarda and Kolang
Smith L. R. Haenecour P. Barnes J. J. Dominik K. Neuman M. et al. PDF LPSC 2022 abstract [#2832] “We conducted coordinated in-situ (EPMA) and bulk (q-ICP-MS) analyses to constrain the petrography, mineralogy, and elemental…
Assessing the Oxygen Isotope Heterogeneity in Aguas Zarcas, Mukundpura and Kolang
Findlay R. * Greenwood R. C. Franchi I. A. Anand M. King A. J. et al. PDF LPSC 2022 abstract [#2647] “Warm cosmic hot tub / Wet and dry are now as one / Juxtaposed…
Tarda and Tagish Lake: Samples from the Same Outer Solar System Asteroid?
Schrader D. L. * Davidson J. Foustoukos D. Alexander C. M. O’D. Torrano Z. A. et al. PDF LPSC 2022 abstract [#1157] “Space rocks so altered / Similar to each other / From same asteroid.”
Extraterrestrial Amino Acids in the C2 Ungrouped Carbonaceous Chondrite Tarda: A Unique Distribution
Glavin D. P. * McLain H. L. Parker E. T. Elsila J. E. Aponte J. C. et al. PDF LPSC 2022 abstract [#1097] “Extraterrestrial amino acids were identified in the C2 ungrouped Tarda meteorite with…
Shock experiments with an l-alanine solution and implications for the cometary delivery of amino acids and dimers with enantiomeric excesses to the early Earth
Koichi Mimura, Riku Okada Geochimica et Cosmochimica ActaAvailable online 4 February 2022 LINK “Shock experiments on an aqueous l-alanine solution were undertaken to examine the significance of cometary impacts in supplying prebiotic compounds to the…
