[Rockhounds] glacial erratics (was Stonehenge geology resolved)

[Kreigh Tomaszewski]

All the information I have found says according to geologists the rock 
split from natural weathering. Unfortunately, it has been mostly 
touristy sites and not anything with authority.



On Tuesday, Feb 3, 2009, at 15:43 America/Detroit, Gary Brown wrote:

> On further thought...  How about some PaintShop Pro fun?
>
> My selections, sort of:
>
> http://www.catspaw-minerals.com/images/rock_select.jpg
>
> I cut the rock from the left and rotated it left to make the bedding
> horizontal.
>
> I cut the rock from the right and rotated it right to make the bedding
> horizontal.
>
> I resized the right chunk to more-or-less match the bedding thickness 
> on the
> left.
>
> I swapped the left and right cuts to line up the beds.
>
> Then did an unsharp-mask to kick up the contrast.
>
> Without annotation:
>
> http://www.catspaw-minerals.com/images/join_rocks.jpg
>
> With some circles to highlight matches.
>
> http://www.catspaw-minerals.com/images/join_2.jpg
>
> Considering the camera angles and lighting, I think we have a match...
>
>
> GcB
>
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