[meteorite-list] Chelyabinsk - slickensides or shock planes?

From: Graham Ensor <graham.ensor_at_meteoritecentral.com>
Date: Wed, 22 May 2013 19:19:50 +0100
Message-ID: <CAJkn+kZXyuKf6sBTc+SkD0QCiRWW-zV=jVP_vygkiPazn8PDag_at_mail.gmail.com>

I'm not so sure this picture shows slickensides...if you look closely
at the picture there are veins of melt running from the black
area....I think it is just a break through one of the large melt
pockets that are evident in Chelyabinsk.....it does have the look of a
slickenside but they are just paper thin black melt sheets scored in
one direction and would not have thicker melt veins coming from them.

Graham

On Wed, May 22, 2013 at 2:17 PM, Malvin Bishop Jr
<magbish3 at lowcountry.com> wrote:
>
> Since the reference to slickensides has been a topic recently, I thought
> some would be interested in this nice example I just found being offered on
> eBay. It shows the feature very well.
>
>
> http://www.ebay.com/itm/HUGE-FIREBALL-NEWEST-FALL-SLICKENSIDE-FRAGMENT-CHELYABINSK-METEORITE-22-5-GM-/190831604603?pt=LH_DefaultDomain_0&hash=item2c6e73337b
>
>
> Mal
> IMCA#6819
>
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Received on Wed 22 May 2013 02:19:50 PM PDT