[meteorite-list] Shattercone?

[Larry Atkins]

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 <mstreman53 at yahoo.com>
To: Larry Atkins <thetoprok at aol.com>;
meteorite-list at 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 <thetoprok at aol.com>
> To: meteorite-list at 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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