List, Elton, Thanks for the comments, input and congrat's people.
I still have a lot of questions regarding origin though and why it hasn't been smoothed from glacial transport. I doubt it's from mining since there isn't any of that going on in my area other than gravel. We have many gravel and sand pits due to the glacial activity that pushed and piled up rock and sand only to retreat and leave huge mounds that are now the hills of my area.
The exact coordinates of the find are here. 43 00'06.58"N 83 22'17.85"W Can a particular shattercone be linked to a specific event? Sincerely, Larry Atkins IMCA # 1941 Ebay username  alienrockfarm -----Original Message----- From: MEM <mstrema...@yahoo.com> To: Larry Atkins <thetop...@aol.com>; meteorite-list@meteoritecentral.com Sent: Sat, Jan 8, 2011 12:27 pm Subject: Re: [meteorite-list] Shattercone? 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
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