[meteorite-list] Meteorite Times

From: Mark <mafer_at_meteoritecentral.com>
Date: Thu, 20 Sep 2007 21:10:31 -0400
Message-ID: <0a5101c7fbec$35292110$01fea8c0_at_maf>

I realize that water has a greater expansion rate, but in areas such as
these were found, humidity is an expensive commodity
----- Original Message -----
From: <debfred at att.net>
To: "Mark" <mafer at imagineopals.com>; "meteoritelist"
<Meteorite-list at meteoritecentral.com>
Sent: Thursday, September 20, 2007 11:36 AM
Subject: Re: [meteorite-list] Meteorite Times


> 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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>
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Received on Thu 20 Sep 2007 09:10:31 PM PDT