As I recall Tim Swindle (U of AZ) did noble gas studies of Lafayette carbonate clays. I doubt you are going to find a big chunk of clay, it will be a minor portion of the overall stone and may not be decernable by the naked eye.
-- Eric Olson 610 W. Moore Rd Tucson AZ 85755 http://www.star-bits.com <Robert: Do you own a CI or a CM? Then you have a meteorite with clay minerals in it! Larry> > After reading this article, I have a question: > Do we have to keep an open mind to the possibility of finding a "clay > meteorite"? > -- Bob V. > > <http://blogs.nationalgeographic.com/blogs/news/breakingorbit/2010/10/geminids -meteor-shower-driven-by-exploding-clays.html> -- Eric Olson 610 W. Moore Rd Tucson AZ 85755 http://www.star-bits.com ______________________________________________ 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