Hello Frank,
Good question. I think almost all crust on small pieces would be "secodary"
unless part of a small rock is from the outside of the larger main meteoroid
body when it comes in.
If there is even a bit of a nose cone shape to a fragmented part, I would guess
it might be easy for a rock to settle into a non-tumbling remaining flight.
But without the flow lines, it might be hard to know for sure.
Steve
Sent from my BlackBerry Smartphone provided by Alltel
-----Original Message-----
From: Frank Cressy <fcre...@prodigy.net>
Date: Sun, 2 May 2010 10:14:09
To: <e...@meteoritesusa.com>; <meteorite-list@meteoritecentral.com>
Subject: [meteorite-list] Oriented stone question,
was AD: Flight Oriented WI Meteorite
Hello Eric and all,
Very nice stone, but it brings up a question I've had for several years about
"oriented" stones that have clearly broken in flight and have secondary crust
on the "rear" side surrounded by a nice "rollover lip." Unless there are good
flow lines showing that this was the stabilized position in flight, I wonder if
we're really seeing oriented stones. Perhaps the edge of the original and
thicker broken fusion crust has just remelted making it appear that the
stone was oriented in flight because of an apparent rollover lip around the
broken edge of a stone. It would have nothing to do with the stone's
orientation during flight. Maybe Michael Blood addresses this question in
his new book?
Cheers,
Frank
________________________________
From: "e...@meteoritesusa.com" <e...@meteoritesusa.com>
To: meteorite-list@meteoritecentral.com
Sent: Sun, May 2, 2010 9:09:50 AM
Subject: [meteorite-list] AD: Flight Oriented WI Meteorite
I'm taking offers on this gorgeous 18.3g Flight Oriented Wisconsin meteorite.
http://www.meteoritesusa.com/wi-meteorite.html I may have only ONE other stone
and some fragments available, so call 760-522-2152 or email me for details. The
rest I'm keeping for my collection...
Stones are NOT easy to come by, and forget about the rumors you guys are
hearing. There has NOT been 10 kilos recovered from this meteorite fall! We're
here and know exactly how and why those rumors were started.
Enjoy...
Regards,
Eric Wichman
Meteorites USA
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