[meteorite-list] Mysterious Circular Structure Near Chemult, Oregon

[Jerry]

Cool news ie. impact causing HOT SPOT. Sooooo Cool. If we generalize [which 
I presume we must not without scientific data to support the supposition] 
Yellowstone, Sunset Crater, etc. are all impact sites caused when the crust 
was so deeply wounded the mantle material persists in melting whatever 
crustal material attempts to scab the wound!
SUPER COOL!!
Jerry Flaherty
----- Original Message ----- 
From: <pkmorgan at ctcweb.net>
To: "Stefan Brandes" <brandes at gmx.at>
Cc: <meteorite-list at meteoritecentral.com>
Sent: Friday, October 12, 2007 5:01 PM
Subject: Re: [meteorite-list] Mysterious Circular Structure Near Chemult, 
Oregon


> Looks like something fun to check out either way.  I've been meaning to
> get over and explore that general area.  Of course it would have to be
> pretty obvious for me to notice anything :-)
>
> By the way, I have heard a theory that there was a large strike at some
> point in central Oregon causing a "hot spot" in the mantle (?) which has
> since migrated through the Snake River plain in southern Idaho and now
> lies beneath Yellowstone National Park resulting in all of the geothermal
> activity in that area.
>
> Thanks for sharing!
>
> Phil
>
>
>> Interesting formation :
>>
>> http://epod.usra.edu/archive/epodviewer.php3?oid=382976
>>
>> any ideas?
>>
>> Stefan
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