[meteorite-list] Meteorite Shale

[Tim Heitz]

Ron

These shale pieces are pieces that broke off and were recovered from the 
original hole
some are still solid pieces that are highly oxidized.

Like the 11.6 gram piece here
http://www.meteorman.org/Willamette.htm

Tim Heitz








----- Original Message ----- 
From: "Paul" <bristolia at yahoo.com>
To: <meteorite-list at meteoritecentral.com>
Sent: Wednesday, November 28, 2007 12:11 PM
Subject: Re: [meteorite-list] Meteorite Shale


> Ron asked:
>
>>I see some Meteorites for sale, especially the
>>Willamette Meteorite, listed as Meteorite Shale.
>>What exactly is Meteorite Shale?
>
> It is a term used for a highly weathered (terrestrialized) meteorite.
> The use of “shale”, I suspect, came from the tendency of some
> highly weathered meteorites, specifically highly oxidized iron
> meteorites to develope a layered structure as they weather and
> break into subparallel / parallel layers like shale when broken.
>
> The terms “shale balls” and “iron shale” is also used for
> some highly weathered meteorites.
>
> When Meteorites Get Old
> http://www.meteorite-times.com/Back_Links/2005/January/Meteorite_of_Month.htm
>
> Yours,
>
> Paul H.
>
>
>
>
>
> 
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