[Rockhounds] glacial erratics (was Stonehenge geology resolved)

[Kreigh Tomaszewski]

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"Weathering and erosion have split the rock in two."


On Tuesday, Feb 3, 2009, at 15:08 America/Detroit, Gary Brown wrote:

> Sounds like field trip time to me.  Well, at least summer field trip  
> time.
>
> Award to the first person to come up with a decent set of photos  
> documenting
> what's-what with a bonus for a validating petrographic analysis of the  
> two
> (or more) chunks.
>
> GcB
>
> -----Original Message-----
> From: rockhounds-bounces at lists.drizzle.com
> [mailto:rockhounds-bounces at lists.drizzle.com] On Behalf Of Lanny R
> Sent: Tuesday, February 03, 2009 1:27 PM
> To: Rockhounds at drizzle.com: A mailing list for rock and gem collectors
> Subject: Re: [Rockhounds] glacial erratics (was Stonehenge geology  
> resolved)
>
> I don't doubt your proposed possiblity Pete, just thinking numbers -- I
> haven't seen a whole lot of rocks broken and sagging in the middle.   
> ....
>
> -- 
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