Without researching to much on my own part, I would mention weathered out graphite and/or troilite nodules/veins. The holes are too deep to be crater pits, IMO
Elton --- On Thu, 2/19/09, Dark Matter <[email protected]> wrote: > From: Dark Matter <[email protected]> > Subject: [meteorite-list] Microcrater Swarms on Canyon Diablo > To: "Meteorite List" <[email protected]> > Date: Thursday, February 19, 2009, 4:42 PM > Hi All, > > Once again, I found myself wandering the Smithsonian > meteorite display > in Washington DC this past weekend. This time, however, I > spent less > time studying the sexy stones and irons, and instead > concentrated on > the more common ones that I usually overlook. > > One in particular caught my attention. > > On display is a 435kg individual of Canyon Diablo. At > first, I started > on a quest to answer the question about if CD contains > thumbprints or > not. As I was carefully studying the surface, I noticed > what I can > only describe as swarms of micro craters. > > I tried to come up with alternate hypotheses such as > mechanical > disassembly like pounding on it with a hammer and chisel, > but no go. > They have the splashforms of craters just like those > commonly found on > Sikhote-Alin individuals. Here's a link to a .pdf > article about the > S-A impact craters: > > http://www.lpi.usra.edu/meetings/LPSC98/pdf/1839.pdf > > > Linked are some pics of what I'm talking about. > > http://www.geocities.com/planetwhy/CD1.JPG > > http://www.geocities.com/planetwhy/CD2.JPG > > http://www.geocities.com/planetwhy/CD3.JPG > > Any thoughts? > > -Martin > ______________________________________________ > http://www.meteoritecentral.com > Meteorite-list mailing list > [email protected] > http://six.pairlist.net/mailman/listinfo/meteorite-list ______________________________________________ http://www.meteoritecentral.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list

