Well, oxygen isotopes are one thing, but orbital data would seem to be a strange way to classify a meteorite to me; given the past four and a half billion years of collisions, things have been far too 'messed up' in the inner solar system for that to mean much; we have comets present in stable orbits here in the innrer solar system, and it doesn't mean that they formed there. And most would also make a clear definition between chemical and isotopic data, which he confuses (or the reference was a misquote) in the article. After all, Ibitira's a "Eucrite," but NWA 011's an ungrouped achondrite. It's the chemical difference that seems to make the difference in nomenclature. Jason
On Fri, Sep 18, 2009 at 5:47 PM, Michael Fowler <mqfow...@mac.com> wrote: > Additional information from a Scientific American link that says that the > meteorite is not from Vesta, because the orbit is wrong, and the oxygen > isotopes are different. > > > http://www.scientificamerican.com/blog/60-second-science/post.cfm?id=recovered-meteorite-points-to-an-un-2009-09-17 > > > Mike Fowler > Chicago > > >> > And I think it might be interesting to note this article, where Dr. >> > Philip Bland can be quoted as stating that Eucrites are not, in fact, >> > from Vesta. >> >> > Go figure. >> >> > >> > http://au.news.yahoo.com/a/-/technology/6075299/rare-meteorite-found-in-outback/ >> > >> > Regards, >> > Jason >> >> >> Jason, >> >> You were a little bit hasty or misleading in your summarizing of Dr >> Bland. >> >> see quote below from the article you cited. (and to think that we are >> always criticizing reporters for getting it wrong!) >> >> Mike Fowler >> Chicago >> >> >> >> ""Dr Bland says most basalt meteorites, like the one found in the >> Nullarbor, originate from a large asteroid called Vesta but the >> Bunburra Rockhole meteorite is different. >> >> "Our little guy can't be from Vesta, the composition is all wrong," he >> said."" > > ______________________________________________ > http://www.meteoritecentral.com > Meteorite-list mailing list > Meteorite-list@meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list > ______________________________________________ http://www.meteoritecentral.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list