[meteorite-list] Fusion crusts on stony meteorites

From: Darren Garrison <cynapse_at_meteoritecentral.com>
Date: Thu, 22 Mar 2007 22:39:20 -0500
Message-ID: <msi603di0arghc5qb29ghlo1hemu42vb4g_at_4ax.com>

On Thu, 22 Mar 2007 21:58:51 -0400 (EDT), you wrote:

>Hello Berndt et al.,
>
>I thought you and the list members might find interesting a phenomenon
>that was shown to me by Marcin Cimala. In cutting an LL5 he found areas
>where thick crust had built up and actually incorporated within the crust
>small angular fragments of relatively unaltered meteorite. Here are scans
>of a slice I obtained from Marcin:
>
>http://img.photobucket.com/albums/v614/CaneySprings/NWA2826LL528gmMarcinCimala.jpg
>
>http://img.photobucket.com/albums/v614/CaneySprings/NWA2826LL528gmMarcinCimalacloseup.jpg
>
>I assume that these fragments were dislodged late in flight while the
>crust was still liquid but too late to be melted or thermally altered.

I would think that is just a darker clast in the rock that happened to be only
on the outer edge of that slice.
Received on Thu 22 Mar 2007 11:39:20 PM PDT