Raman spectroscopic analysis of carbonates on a CY-type carbonaceous chondrite Yamato 980115: unexpectedly abundant terrestrial weathering productsOPEN ACCESS 

· by · in , ,

Shu-hei Urashima, Hayato Tsuchiya, Naoya Imae, Akira Yamaguchi & Hiroharu Yui Raman Spectroscopy for Analytical Applications, Published: 24 February 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “This study presents Raman spectra of carbonates on a carbonaceous…

Iron and copper sulfides in asteroid (162173) Ryugu: Formation conditions and a comparison to the CI and CY chondritesOPEN ACCESS 

· by · in , , , , ,

C. S. Harrison, A. J. King, R. H. Jones, S. S. Russell, T. Nakamura, H. Yurimoto, T. Noguchi, R. Okazaki, H. Yabuta, H. Naraoka, K. Sakamoto, S. Tachibana, T. Yada, M. Nishimura, A. Nakato, A….

Cafeosite, Ca4Fe2+3Fe3+2□O6S4, a new meteoritic oxysulfide, a redox indicator of metamorphic alteration of carbonaceous asteroids

· by · in , ,

Marina A. Ivanova, Sergey N. Britvin, Roza I. Gulyaeva, Sofia A. Petrova, Nina G. Zinovieva, Vladimir V. Kozlov, Stanislav N. Tyushnyakov, Anatoly V. Kasatkin MAPS, First published: 24 December 2024 LINK “A natural iron-bearing oxysulfide,…

Reassessing the proposed “CY chondrites”: Evidence for multiple meteorite types and parent bodies from Cr-Ti-H-C-N isotopes and bulk elemental compositions

· by · in , , , , , , , , ,

Devin L. Schrader, Zachary A. Torrano, Dionysis I. Foustoukos, Conel M.O’D. Alexander, Jan Render, Gregory A. Brennecka Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 20 December 2024 LINK “We report a coordinated bulk…

The mineralogy and alteration history of the Yamato-type (CY) carbonaceous chondritesOPEN ACCESS 

· by · in , , ,

M.D. Suttle, A.J. King, C.S. Harrison, Q.H.S. Chan, A. Greshake, R. Bartoschewitz, A.G. Tomkins, T. Salge, P.F. Schofield, S.S. Russell Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 30 September 2023 LINK (OPEN ACCESS)…

Isotopically Heavy Micrometeorites — Fragments of CY Chondrite or a New Hydrous Parent Body?OPEN ACCESS 

· by · in , , , ,

M. D. Suttle, L. Folco, Z. Dionnet, M. Van Ginneken, T. Di Rocco, A. Pack, M. Scheel, A. Rotundi JGR PlanetsFirst published: 22 August 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Key Points Combined bulk O-isotopes…

The Oxygen Isotopic Composition of Hayabusa2 Particles: Testing the Relationship with CI and CY Chondrites

· by · in , , , ,

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…

A Potential Origin for 16O-Poor Cosmic Spherules: A Near-Earth Source and Parentage with CY Chondrites

· by · in ,

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…

Spectral and mineralogical alteration process of naturally-heated CM and CY chondrites

· by · in , ,

M. Matsuoka, T.Nakamura, N. Miyajima, T.Hiroi, N. Imae, A.Yamaguchi Geochimica et Cosmochimica ActaAvailable online 6 September 2021 LINK “Spectral and mineralogical analyses were performed using nine naturally hydrated and dehydrated carbonaceous chondrite samples which were…

A spectral investigation of aqueously and thermally altered CM, CM-an and CY chondrites under simulated asteroid conditions for comparison with OSIRIS-REx and Hayabusa2 observationsOPEN ACCESS 

· by · in , , , , , , , , , , , , , ,

H. C Bates, K. L. Donaldson Hanna, A. J. King, N. E. Bowles, S. S. Russell JGR PlanetsFirst Published: 17 June 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Key Points Parameters associated with different degrees of…

The alteration history of the CY chondrites, investigated through analysis of a new member: Dhofar 1988OPEN ACCESS 

· by · in , , , ,

M.D. Suttle, A. Greshake, A.J. King, P.F. Schofield, A. Tomkins, S.S. Russell Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 17 November 2020 LINK LINK (temporarily OPEN ACCESS) “We provide the first detailed analysis…

Isotopic and textural analysis of giant unmelted micrometeorites – identification of new material from intensely altered 16O-poor water-rich asteroids

· by · in , , , , , , , ,

M.D. Suttle, Z. Dionnet, I. Franchi, L. Folco, J. Gibson, R.C. Greenwood, A. Rotundi, A. King, S.S. Russell Earth and Planetary Science LettersVolume 546, 15 September 2020, 116444 LINK “Highlights • Micro-CT and O-isotopes identify…

The Yamato-type (CY) carbonaceous chondrite group: Analogues for the surface of asteroid Ryugu?OPEN ACCESS 

· by · in , , , , , , ,

A.J. King, H.C. Bates, D. Krietsch, H. Busemann, P.L. Clay, P.F. Schofield, S.S. Russell Geochemistry Available online 20 August 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report new mineralogical, petrographic and noble gas analyses…

The Petrology and Geochemistry of CY Chondrites: A Study of Yamato 82162 and Yamato 980115

· by · in ,

Russell S. S., Spratt J., King A. J. 82nd Annual Meeting of The Meteoritical Society 2019 PDF abstract “Three unusual carbonaceous chondrites – Yamato 82162, Yamato 86720, and Belgica 7904 – were studied by a…

Revisiting the CY (Yamato) Carbonaceous Chondrite Group

· by · in , , , ,

A. J. King, S. S. Russell 50th Lunar and Planetary Science Conference (2019), Abstract #1386 PDF abstract

error: