Hey Mike, Almost looks like staining (rust) to me especially in photos 2 and 3. Bob
On Mon, Aug 9, 2010 at 8:28 PM, Galactic Stone & Ironworks <meteoritem...@gmail.com> wrote: > Hi List, > > Has anyone ever seen an inclusion like this in a CV3 meteorite? It is > a brown. featureless, area that snakes through the surrounding matrix > and chondrules. I have seen light and dark inclusions in different > carbonaceous meteorites, including Allende, but I have not seen an > inclusion like this one. I cut several fragments of this meteorite > and most had a predominately dark-matrix lithology. One fragment had > a small portion of dark matrix lithology, and a predominate > lighter-grey matrix lithology. It was in this light-matrix stone that > this weird "glassy" brown inclusion appeared during cutting. It > resembles caramel and has a slick texture compared to the rest of the > meteorite. Under the loupe, it appears very fine grained, almost > glassy, like an olivine. It does not appear to be oxidation of any > kind. The inclusion ran through the entire fragment and I have 4 > different pieces that show it. Besides this inclusion, there is the > expected mixture of chondrules and CAI's. The pieces shown in the > photos are rough-sawn - no sanding or polishing yet. The pieces shown > are an endcut and a slice. The endcut weighs 5.18g and the slice > weighs 3.27g. > > The close-up photo of the "?" (question mark) shaped inclusion is the > clearest. I'll try to snap some better photos tomorrow under outside > natural lighting. > > http://i268.photobucket.com/albums/jj24/Meteoritethrower/2086-inclusion-3.jpg > > http://i268.photobucket.com/albums/jj24/Meteoritethrower/2086-inclusion-1.jpg > > http://i268.photobucket.com/albums/jj24/Meteoritethrower/2086-inclusion-2.jpg > > Does anyone know what this inclusion might be? > > Best regards, > > MikeG > > > -- > ------------------------------------------------------------ > Mike Gilmer - Galactic Stone & Ironworks Meteorites > http://www.galactic-stone.com > http://www.facebook.com/galacticstone > ------------------------------------------------------------ > ______________________________________________ > Visit the Archives at > http://www.meteoritecentral.com/mailing-list-archives.html > Meteorite-list mailing list > Meteorite-list@meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list > ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list