The Chelyabinsk meteorite: New insights from a comprehensive electron microscopy and Raman spectroscopy study with evidence for graphite in olivine of ordinary chondrites

We present results of petrographic, mineralogical, and chemical investigations of three Chelyabinsk meteorite fragments. Three distinct lithologies were identified: light S3 LL5, dark S4–S5 LL5 material, and opaque fine‐grained former impact melt. Olivine–spinel thermometry revealed an equilibration...

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Veröffentlicht in:	Meteoritics & planetary science 2018-03, Vol.53 (3), p.416-432
Hauptverfasser:	Kaeter, David, Ziemann, Martin A., Böttger, Ute, Weber, Iris, Hecht, Lutz, Voropaev, Sergey A., Korochantsev, Alexander V., Kocherov, Andrey V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chondrites Crystallization Crystals Deformation Electron microscopy Elongation Grain boundaries Graphite Immiscibility Lithology Melting Melts Metals Meteorites Meteors & meteorites Miscibility Olivine Pegmatite Plagioclase Spectroscopy Sulfides Thermometry
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