Re: Mesozoic snow?

[frank bliss <frank@blissnet.com>]

Are there no varves preserved in the record for the Mesozoic?
Frank Bliss
MS Biostratigraphy
Weston, Wyoming
On Jun 11, 2005, at 10:57 PM, Swift Claw wrote:

> on 6/11/05 9:57 AM, Phil Bigelow at bigelowp@juno.com wrote:
>
>
> > But freeze-thaw cycles CAN be
> > preserved in modern environments, and the discovery of polygonal soil 
> > in
> > a Mesozoic formation would/will be an important find.  AFAIK, such a
> > discovery hasn't yet been made.
> >
> > The best place to look for polygonal paleosols in Mesozoic rocks 
> > would be
> > in Australia, northern Canada, northern Siberia, and Alaska (duh).
>
>
> But the time I see something like that happen is mainly in the summer 
> when
> the rains hit the dry soil and then dry again quickly...
>
> ~Tiffany Miller
>
>
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