 | | Journal (article/letter/editorial) | | Tempe, Arizona 85287-6004, U.S.A. 3 Center for Meteorite Studies, Arizona State University, Tempe, Arizona...through extraterrestrial impacts in the Gujba (CBa) meteorite. The nano-onions are fullerene-type materials...discovery of interstratified graphite-diamond in Gujba, our new findings extend the range of nano-structured...fullerene-type structures, extraterrestrial impacts, Gujba meteorite, shock metamorphism, 217.5 nm astronomical...nano-onions and bucky-diamonds from the Gujba (CBa) meteorite. Carbon nanoonions are fullerene-like structures |  | | Journal (article/letter/editorial) | | Raman spectroscopy of high pressure phases in the Gujba CB chondrite and the shock history of the CB parent...wadsleyite, and coesite are present in the matrix and in barred olivine fragments in the Gujba CB chondrite...areas interstitial to chondrules and metal in the Gujba CBa chondrite. From Raman spectra, the barred olivine...transformation to low pressure polymorphs throughout the meteorite. The high pressure phases record a high temperature–pressure... The CB chondrites have been divided into CBa (Gujba, Bencubbin, Weatherford, Fountain Hills) and CBb |  | | Journal (article/letter/editorial) | | Németh2,3 and Peter R. Buseck3,4 1 Center for Meteorite Studies, Arizona State University, Tempe, Arizona...interstratified graphite and diamond from Gujba, an extraterrestrially shocked meteorite. We use high-resolution transmission...structure, crystal growth, electron microscopy, meteorite Introduction Shock waves can convert carbonaceous...acid-insoluble material from Gujba, in which we discovered grains of graphite-diamond. Gujba is a coarse-grained...coarse-grained carbonaceous chondrite meteorite that consists predominantly of silicate clasts, large metal globules |  | | Journal (volume) | | high-P polymorphs of chromite were found in a meteorite [2] indicating a stabilizing effect of Cr for...FeCr2O4-rich chromite were found in a shocked meteorite by [1,2]. The two phases have calcium-ferrite...natural Na-rich CAS-phase in the shocked Martian meteorite [3], our results suggest that the natural CAS-phase...using other high-pressure minerals in the shocked meteorite. [1] Chen, M. et al. (2003a) GCA, 67, 3937-3942...(*abmakeev@mail.ru) Majorite discovered in Coorara meteorite is very rare in the terrestrial rocks. The pyrope |
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