[meteorite-list] Fusion crusts on stony meteorites

From: Michael Farmer <meteoriteguy_at_meteoritecentral.com>
Date: Fri, 23 Mar 2007 10:37:34 -0700 (PDT)
Message-ID: <770615.86421.qm_at_web33110.mail.mud.yahoo.com>

That may well be, there is no substitute to holding a
piece in your hands to see it best.
There are many oriented meteorites which exhibit the
thick frothy crust on the backside, and many pieces
have broken fragments re-solidified into the crust, so
this must be one of them.
Michael Farmer
--- Pat Brown <radio_ranch at yahoo.com> wrote:

> Hi All,
>
> I bought a slice of this meteorite from Marcin at
> Tucson. While I am not a professional meteoriticist,
> I
> am an engineer heavily involved with failure
> analysis,
> use of microscopes and a trained observer. To my eye
> these are most definitely small bits of this
> meteorite
> fractured off of the parent body during transit of
> the
> atmosphere and incorporated in the fusion crust,
> likely on the back side of the meteorite. I had to
> have this slice the minute that ET pointed out to me
> this interesting feature! Thanks to ET for the heads
> up and thanks to Marcin for doing an excellent job
> of
> slicing and polishing this meteorite and offering it
> for sale.
>
> Pat
> --- Darren Garrison <cynapse at charter.net> wrote:
>
> > On Thu, 22 Mar 2007 22:05:51 -0700, you wrote:
> >
> > >Michael, Darren, Jim and list,
> > >
> > >I agree with Jim on this. My slice of the same
> > stone has fragments set in a
> > >clearly bubbly melt. I suggest that this
> > accumulated on the back side of
> > >the stone during oriented flight. Check out my
> > pictures:
> > >
> >
>
>http://www.johnkashuba.com/Pages/Meteorite%20Pages/Pictures/NWA2826LL5.htm
> >
> > This photo does look pretty convincing-- the
> > triangular fragment in the melt
> > looks like like a close match to the bigger mass:
> >
> >
>
http://www.johnkashuba.com/Images/Meteorite%20Pages/Pictures/NWA2826LL561g at 2400MFOV1cmP800.jpg
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Received on Fri 23 Mar 2007 01:37:34 PM PDT