[meteorite-list] Meteorite Times

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Defiantly water, coefficient of expansion liquid to solid >10%. Regards, Fred Olsen

-------------- Original message ----------------------
From: "Mark" <mafer at imagineopals.com>
>
> Hi List
> 
> Been busy fixing up new and old houses for a move and sale so my getting 
> around to reading the times got put on a back burner til now.
> 
> Jim Tobin wrote a great article about unclassified meteorites and what some 
> have gone through. His comments on freeze-thaw are close to the mark I'd 
> venture, but it's not water is my guess that is causing them to crack. 
> Rather, I suspect is those veins of impact or heat created substances which 
> expand at a different rate than the host matrix from which they evolved. It 
> does get down to freezing temps at night in the barren wastes which have 
> little to hold daytime heat in.
> 
> What's others think about this and has anyone studied this?
> 
> Mark Ferguson 
> 
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