Thanks for the responses. Makes Sense.
Guess I just haven't personally observed this part of the process before
Regards to all!
----- Original Message -----
From: "drtanuki" <[EMAIL PROTECTED]>
To: "Phil Morgan" <[EMAIL PROTECTED]>
Sent: Wednesday, November 01, 2006 10:04 PM
Subject: Re: [meteorite-list] things embedded in fusion crust
Dear Phil,
It is sand. When meteorites weather, iron oxide is
released and mixed with carbonates in the surrounding
sand/soil and the sand becomes embedded a crust around
the meteorite, when the meteorite is again exposed to
the blowing sand the surface becomes ablated; this is
what you are observing.
Best, Dirk...Tokyo
--- Phil Morgan <[EMAIL PROTECTED]> wrote:
Hello All,
I've got an oriented NWA that appears to have sand
embedded in the fusion
crust on the leading edge. Could this be possible?
I'm 98% sure that it's
not desert varnish I'm seeing.
Any other situations where things are stuck in the
crust? Seems like I
recall grass in a Portales Valley, but not certain
on that one.
I tried to take a couple pictures but it's hard to
get the depth perception.
Here they are anyway.
http://i25.photobucket.com/albums/c57/pkmorgan/meteorite/crust1.jpg
http://i25.photobucket.com/albums/c57/pkmorgan/meteorite/crust2.jpg
Any info on this topic would be appreciated.
Thanks and Regards,
Phil
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