Siderophile element and Hf-W isotope characteristics of the metal-rich chondrite NWA 12273 – Implication for its origin and chondrite metal formation
Huanxin Liu, Richard D. Ash, Yan Luo, D. Graham Pearson, Jingao Liu Earth and Planetary Science LettersVolume 612, 15 June 2023, 118162 LINK “Metal phases in primitive chondrites contain important information for understanding early Solar…
Abundance of Presolar Grains in the C3.00-Ungrouped Chondrite Chwichiya 002
Smith L. R.* Haenecour P. Barnes J. Domanik K. Neuman M. Wang K. 54th Lunar and Planetary Science Conference 2023 abstract [#2425] Chwichiya 002 is a C3.00-ungrouped chondrite with presolar grain abundances similar to the ones in the most primitive carbonaceous chondrites.
From whom Bells tolls: Reclassifying Bells among CR chondrites and implications for the formation conditions of CR parent bodies
Yves Marrocchi, Emmanuel Jacquet, Julia Neukampf, Johan Villeneuve, Michael E. Zolensky MAPSVersion of Record online: 29 December 2022 LINK “The ungrouped carbonaceous chondrite (CC) Bells has long been considered petrographically similar to CM chondrites based on its matrix abundance…
Chondrite diversity revealed by chromium, calcium and magnesium isotopesOPEN ACCESS
Ke Zhu, Martin Schiller, Frédéric Moynier, Mirek Groen, Conel M. O’D. Alexander, Jemma Davidson, Devin L. Schrader, Addi Bischoff, Martin Bizzarro Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 13 December 2022 LINK (OPEN…
Detection Of Incipient Aqueous Alteration In Carbonaceous ChondritesOPEN ACCESS
L. Krämer Ruggiu, B. Devouard, J. Gattacceca, L. Bonal, H. Leroux, J. Eschrig, D. Borschneck, A.J. King, P. Beck, Y. Marrocchi, V. Debaille, R.D. Hanna, O. Grauby Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available…
Compositional and spectroscopic investigation of three ungrouped carbonaceous chondrites
Mehmet Yesiltas, Yoko Kebukawa, Timothy D. Glotch, Michael Zolensky, Marc Fries, Namik Aysal, Fatma S. Tukel MAPSVersion of Record online: 17 July 2022 LINK “Ungrouped carbonaceous chondrites are not easily classified into one of the…
The C3-Ungrouped Chondrite NWA 13053: Further Evidence for a Heterogeneous and Thermally Altered Carbonaceous Asteroid?
Findlay R. Franchi I. A. Greenwood R. C. Anand M. King A. J. Suttle M. Ensor G. MetSoc22 abstract [#6464] LINK “NWA 13053 is a C3-ungrouped chondrite that is one of many recently found in…
Organic compounds in the Tarda C2 ungrouped carbonaceous chondrite: Evaluating the sources of contamination in a desert fall
Libby D. Tunney, Patrick J. A. Hill, Christopher D. K. Herd, Robert W. Hilts MAPSVersion of Record online: 03 March 2022 LINK “Studying organic compounds in meteorites provides important insight into the chemical processes that…
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…
Ungrouped Chondrite Chug-Chug 086
Ivanova M. A., Zinovieva N. G., Franchi I. A., Lorenz C. A., Teplyakova S. N. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6108) PDF A new ungrouped chondrite Chug-Chug 086 has affinities…
Spectroscopic Investigation of Ungrouped Carbonaceous Chondrites
Yesiltas M., Kebukawa Y., Zolensky M. E., Fries M., Glotch T. D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6098) PDF We present detailed spectroscopic and imaging data on multiple C2-ung chondrites…
The Tarda Meteorite: A Window into the Formation of D-type AsteroidsOPEN ACCESS
Yves Marrocchi, Guillaume Avice, and Jean-Alix Barrat The Astrophysical Journal Letters, Volume 913, Number 1Published: 19 May 2021 PDF (OPEN ACCESS) LINK “Dynamic models of solar system evolution suggest that D-type asteroids formed beyond Saturn’s…
The relationship between CM and CO chondrites: Insights from combined analyses of titanium, chromium, and oxygen isotopes in CM, CO, and ungrouped chondritesOPEN ACCESS
Zachary A. Torrano, Devin L. Schrader, Jemma Davidson, Richard C. Greenwood, Daniel R.Dunlap, Meenakshi Wadhwa Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 10 March 2021 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “A close…
Visible-infrared spectroscopy of ungrouped and rare meteorites brings further constraints on meteorite-asteroid connectionsOPEN ACCESS
L. Krämer Ruggiu, P. Beck, J. Gattacceca, J. Eschrig IcarusIn Press, Journal Pre-proof, Available online 1 March 2021 LINK Update (6 May 2021): PDF (OPEN ACCESS) “The composition of asteroids gives crucial insights into the…
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…
Comparing the reflectivity of ungrouped carbonaceous chondrites with those of short-period comets like 2P/EnckeOPEN ACCESS
Safoura Tanbakouei, Josep M. Trigo-Rodríguez, Jürgen Blum, Iwan Williams, Jordi Llorca Astronomy & Astrophysics, manuscript, 22 July 2020 PDF (OPEN ACCESS) “The existence of asteroid complexes produced by the disruption of these comets suggests that…
The effects of secondary processing in the unique carbonaceous chondrite Miller Range 07687
Pierre Haenecour, Christine Floss, Adrian J. Brearley, Thomas J. Zega Meteoritics & Planetary ScienceFirst Published: 3 May 2020 LINK “Our detailed mineralogical, elemental, and isotopic study of the Miller Range (MIL) 07687 meteorite showed that,…
Discovery of fossil asteroidal ice in primitive meteorite Acfer 094OPEN ACCESS
Megumi Matsumoto, Akira Tsuchiyama, Aiko Nakato, Junya Matsuno, Akira Miyake, Akimasa Kataoka, Motoo Ito, Naotaka Tomioka, Yu Kodama, Kentaro Uesugi, Akihisa Takeuchi, Tsukasa Nakano and Epifanio Vaccaro Science Advances 20 Nov 2019: Vol. 5, no….
A detailed mineralogical, petrographic, and geochemical study of the highly reduced chondrite, Acfer 370
Giovanni Pratesi, Stefano Caporali, Richard C. Greenwood, Vanni Moggi Cecchi, Ian A. Franchi Meteoritics & Planetary Science LINK “Among the many ungrouped meteorites, Acfer 370, NWA 7135, and El Médano 301—probably along with the chondritic…
Northwest Africa 12273: Unique Ungrouped Metal-Rich Chondrite
C. B. Agee, Z. Vaci, K. Ziegler, M. N. Spilde 50th Lunar and Planetary Science Conference (2019), Abstract #1176 PDF abstract
Spectral Classification of Ungrouped Carbonaceous Chondrites II: Parameters and Comparison to Independent Measures
V. E. Hamilton, N. M. Abreu, P. A. Bland, H. C. Connolly Jr., R. D. Hanna, D. S. Lauretta, D. L. Schrader 49th Lunar and Planetary Science Conference (2018), Abstract #1753 abstract
Spectral Classification of Ungrouped Carbonaceous Chondrites I: Data Collection and Processing
V. E. Hamilton 49th Lunar and Planetary Science Conference (2018), Abstract #1759 abstract
A Hypothesis to Explain the Presence of Amino Acids in the Tagish Lake Meteorite
Bassez M. P. * 80th Annual Meeting of the Meteoritical Society 2017 [#6035] abstract (PDF) “The Tagish Lake meteorite contains organic matter abiotically synthesized. An explanation is proposed on the basis of thermodynamic calculations and…
Northwest Africa 5958: A Weakly Altered C2 Ungrouped Chondrite
E. Jacquet, F. Caste, J.-A. Barrat, P. Beck, J. Gattacceca, C. Sonzogni, M. Gounelle 48th Lunar and Planetary Science Conference (2017), Abstract #1016 PDF
Northwest Africa 10769: An Ungrouped Chondrite Related to the “Supra-TFL” Chondrites
V. Moggi Cecchi, G. Pratesi, C. Maccelli, S. Caporali, M. Zoppi, R. C. Greenwood, I. A. Franchi 48th Lunar and Planetary Science Conference (2017), Abstract #2696 PDF
Oxygen isotope characteristics of chondrules from the Yamato-82094 ungrouped carbonaceous chondrite: Further evidence for common O-isotope environments sampled among carbonaceous chondrites.
Tenner, T. J., Kimura, M. and Kita, N. T. Meteoritics & Planetary Science. doi: 10.1111/maps.12791 LINK “High-precision secondary ion mass spectrometry (SIMS) was employed to investigate oxygen three isotopes of phenocrysts in 35 chondrules from…
El Médano 301 classified as ‘ungrouped chondrite’
El Médano 301 classified as ungrouped chondrite with affinities to NWA 7135 LINK “El Médano 301 ~24°51’S, ~70°32’W Antofagasta, Chile Find: 2013 Nov 09 Classification: Ungrouped chondrite History: A single stone was found in the…
First Report of Aldehydes and Ketones in the Tagish Lake Meteorite: Optimized Methodology and Preliminary Results
D. N. S. Simkus, R. W. Hilts, C. D. K. Herd, J. C. Aponte, J. E. Elsila 47th Lunar and Planetary Science Conference (2016), Abstract #2370 PDF
Petrology and geochemistry of chondrules and metal in nwa 5492 and gro 95551: a new type of metal-rich chondrite
Michael K. Weisberg, Denton S. Ebel, Daisuke Nakashima, Noriko T. Kita, Munir Humayun Geochimica et Cosmochimica Acta available online 22 July 2015 LINK
