WINCHCOMBE meteorite fall (CM2, ~601.9 grams, 9 masses) in Winchcombe, Woodmancote and Bishop’s Cleeve, Tewkesbury Borough, Gloucesteshire, UK on 28 February 2021 at 21.54:15.88 – 21.54.24.12 UT
Last update: 28 February 2023 A CM2 chondrite fell on the Wilcock family’s driveway in Winchcombe at location 51°57’04.4″N 1°58’32.5″W, Tewkesbury Borough, Gloucestershire, UK on 28 February 2021 at 21.54:15.88 – 21.54.24.12 UT. The Wilcock…
The Nature of the Enstatite Rim in Refractory Forsterite-Rich Inclusions: An EBSD Study
Kseniya A. Dugushkina, Stepan V. Berzin, Dmitry A. Zamyatin Minerals: Structure, Properties, Methods of Investigation. pp 59-63, Conference paper LINK “Refractory forsterite-rich inclusions are a common component for different classes of chondrites. They belong to…
Cadmium isotopes in chondrites and acid leachates: Nucleosynthetic homogeneity and a monitor for thermal neutron capture effects
Eniko R. Toth, Manuela A. Fehr, Matthias Friebel, Maria Schönbächler Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 6 February 2020 LINK “Nucleosynthetic isotope variations are well documented for refractory elements in meteorites…
Meteorite fall (~ 27 kg, CM2) in La Caporal, AGUAS ZARCAS and around Santa Rosa and La Palmera, San Carlos, Alajuela, Costa Rica on 23 April 2019 at ~ 9.07.22-26 p.m. CST (~3.07.22-26 UTC, 24 April)
Last update: 15 February 2020 Patio roof with impact hole (top) and impact damage on tables (bottom right) CLICK IMAGE FOR ANIMATION On 23 April 2019 at about 9.07.22-26 p.m. CST (3.07.22-26 UTC, 24 April)…
CM2 to CM1 Iron Sulfides, from Primary Nebular to Altered Asteroidal
Singerling S. A. * Corrigan C. M. Brearley A. J. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6167] “This study synthesizes our observations of CM chondrite iron sulfides, from primary characteristics in…
The Fate of Primary Iron Sulfides in the Highly-Altered CM1(/2) Carbonaceous Chondrites
S. A. Singerling, C. M. Corrigan, A. J. Brearley 48th Lunar and Planetary Science Conference (2017), Abstract #2027 LINK
Aliphatic Amines in Antarctic CR2, CM2, and CM1/2 Carbonaceous Chondrites
José C. Aponte, Hannah L. McLain, Jason P. Dworkin, Jamie E. Elsila Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 June 2016 doi:10.1016/j.gca.2016.06.018 LINK “Meteoritic water-soluble organic compounds provide a unique record…
Oxygen and Carbon Isotopic Ratios of Carbonates in the Nogoya CM Chondrite
W. Fujiya, K. Fukuda, M. Koike, A. Ishida, Y. Sano 47th Lunar and Planetary Science Conference (2016), Abstract #1712 PDF
The Chemical Composition of Matrix, Chondrules and Bulk Meteorite of the CM Chondrite Jbilet Winselwan
P. Friend, D. C. Hezel, J.-A. Barrat, J. Zipfel, H. Palme 47th Lunar and Planetary Science Conference (2016), Abstract #1893 PDF
Nitrogen and Carbonaceous Isotopic Variations in Several Carbonaceous Chondrites — A Hunt for the Carrier Phases
M. Bose, T. J. Zega, K. Domanik 47th Lunar and Planetary Science Conference (2016), Abstract #1671 PDF
Redistribution of Alkaline Elements in Chondrules of the Sayama (CM2) Meteorite: Possible Alteration Effect in Association with Aqueous Activity in the Early Solar System
H. Hidaka, T. Higuchi, S. Yoneda 47th Lunar and Planetary Science Conference (2016), Abstract #1782 PDF
Redistribution of alkaline elements in association with aqueous activity in the early solar system
Hiroshi Hidaka, Takuya Higuchi, and Shigekazu Yoneda The Astrophysical Journal, Volume 815, Number 1 Published 2015 December 10 LINK “It is known that the Sayama meteorite (CM2) shows an extensive signature for aqueous alteration on…
An American on Paris: Extent of aqueous alteration of a CM chondrite and the petrography of its refractory and amoeboid olivine inclusions
Rubin, A. E. (2015) Meteoritics & Planetary Science. doi: 10.1111/maps.12482 LINK
More Evidence of the Importance of Amorphous Silicates in CM Carbonaceous Chondrites: New Observations from a Fine-Grained Rim in the CM2 Chondrite, TIL 91722
Brearley A. J., Le Guillou C. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5192 abstract (PDF)
Coordinated Chemical and Isotopic Imaging of the Bells (CM2) Meteorite
Clemett S. J., Messenger S., Nakamura-Messenger K., Thomas-Keprta K. L. 78th Annual Meeting of the Meteoritical Society (2015) Berkeley, USA July 27-31 2015 PDF (abstract)
The Insoluble Organic Matter of the Paris CM Chondrite
Vinogradoff V., Remusat L., Bernard S., Le Guillou C. 78th Annual Meeting of the Meteoritical Society (2015) Berkeley, USA July 27-31 2015 PDF (abstract)
The amino acid and hydrocarbon contents of the Paris meteorite: Insights into the most primitive CM chondrite
Zita Martins, Paola Modica, Brigitte Zanda and Louis Le Sergeant d’Hendecourt Meteoritics & Planetary Science Article first published online: 20 APR 2015 | DOI: 10.1111/maps.12442 LINK
A New Unequilibrated Chondrite Lithology Discovered in the Murchison CM2 Meteorite
G. K. Benedix, S. S. Russell, L. V. Forman, A. W. R. Bevan, P. A. Bland 46th Lunar and Planetary Science Conference (2015), Abstract #1143 PDF LINK
Replacement of olivine by serpentine in the Queen Alexandra Range 93005 carbonaceous chondrite (CM2): Reactant-product compositional relations, and isovolumetric constraints on reaction stoichiometry and elemental mobility during aqueous alteration
Michael A. Velbel, Eric K. Tonui, Michael E. Zolensky Geochimica et Cosmochimica Acta In Press, available online 30 October 2014 LINK
Sutter’s Mill dicarboxylic acids as possible tracers of parent-body alteration processes
Pizzarello S. and Garvie L.A.J. Meteoritics & Planetary Science. doi: 10.1111/maps.12264 LINK Dicarboxylic acids were searched for in three Sutter’s Mill (SM) fragments (SM2 collected prerain, SM12, and SM41) and found to occur almost exclusively…
The Murchison Meteorite Story
John Lovering describes his excitement at seeing the Murchison meteorite and its scientific significance. VIDEO (MP4) Transcript: This particular fragment is one of the pieces of the Murchison meteorite that fell in Victoria in 1969….
