It would help to have the exact coordinates and circumstances as a substantial area of the UP of Michigan is a giant mining network. Given this fact I cannot rule out a blasting artifact but can't rule out a shatercone either.
A formation/deposit was recently identified in Michigan which was impactite from Sudbury. I have samples in study from another "misidentified" formation which I believe it from Sudbury. Elton ----- Original Message ---- > From: Larry Atkins <thetop...@aol.com> > To: meteorite-list@meteoritecentral.com > Sent: Sat, January 8, 2011 12:18:29 PM > Subject: [meteorite-list] Shattercone? > > > > > Hello List, > > I found this interesting rock close to my home in Lapeer County Michigan > while >walking in the woods this past September. It looks like a shatter cone to me >but I've really no experience with them. One peculiar characteristic of the >rock is that it's not smooth. All the rocks here have been smoothed and >rounded >during their glacial transport. I wonder if it's from Sudbury and was >relatively close to home so it didn't have to travel very far and didn't >erode >too bad? > I did a few internet searches and didn't find any reference to impact debris >being found in this area. > > Any shattercone/impact experts out there? > Comments and thoughts appreciated. > > http://s934.photobucket.com/albums/ad190/alienrockfarm/ > > Sincerely, > Larry Atkins > IMCA # 1941 > Ebay username alienrockfarm ______________________________________________ > 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
