[Rockhounds] Obsidian in Michigan

[Paul van den Bergen]

I recently watched a YouTube video about the impact near there... let me
see if I can find it.

Between glaciers, impacts and humans trading stuff, it's a fun challenge...

On Thu, 22 Sep. 2022, 11:50 Tim Fisher, <nospam at orerockon.com> wrote:

> I believe that the article in question is in a local newspaper.
>
> https://www.bendbulletin.com/localstate/researchers-trace-ancient-obsidian-i
>
> n-lake-huron-to-central-oregon/article_0481666a-d52d-11eb-b987-ebe7a8e28b33.
> html
> <https://www.bendbulletin.com/localstate/researchers-trace-ancient-obsidian-in-lake-huron-to-central-oregon/article_0481666a-d52d-11eb-b987-ebe7a8e28b33.html>
>
> Tim Fisher
> Http://OreRockOn.com
> Email nospam at orerockon.com
>
> -----Original Message-----
> From: Rockhounds [mailto:rockhounds-bounces at rockhounds.drizzle.com] On
> Behalf Of Doug Bank
> Sent: Monday, September 19, 2022 4:28 PM
> To: Rockhounds at drizzle.com: A mailing list for rock and gem collectors
> Subject: Re: [Rockhounds] Obsidian in Michigan
>
> I have no idea what this argument is about, but I have found various things
> on Illinois beaches over the years that look vaguely like obsidian. I am
> reasonably sure they were all slag. It is sad, but there is an awful lot of
> slag out there.
>
> > On Sep 19, 2022, at 5:54 PM, <gbrown at catspaw-minerals.com>
> <gbrown at catspaw-minerals.com> wrote:
> >
> > Hi Kids...
> >
> > I'm in a Facebook argument about obsidian in lower Michigan.
> >
> > They don't believe me when I say NOPE.
> >
> > *sigh*
> >
> > Gary
> >
> >
> >
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