[meteorite-list] Example of Lipping and direction stumper. TAKE 2

From: James Baxter <jbaxter112_at_meteoritecentral.com>
Date: Sun, 26 Jul 2009 19:58:09 -0400 (EDT)
Message-ID: <442429490.174521248652689751.JavaMail.root_at_zmcs01l-pol-08.portal.webmd.com>

Hi McCartney,

I'm betting on lee side. I've seen quite a few oriented stones with radial flow lines on both sides with the lee side showing, in all the cases I've seen, the fainter lines.

Here's a quick few photos of the first one I could put my hands on, a little Chergach I got from Geoff Notkin:

lee side:

http://smg.photobucket.com/albums/v614/CaneySprings/?action=view&current=Chergach10-6gramleeside2.jpg

http://smg.photobucket.com/albums/v614/CaneySprings/?action=view&current=Chergach10-6gramleeside1.jpg

windward side:

http://smg.photobucket.com/albums/v614/CaneySprings/?action=view&current=Chergach10-6gramfrontside.jpg

http://smg.photobucket.com/albums/v614/CaneySprings/?action=view&current=Chergach10-36gmNotkin08100853-26MAL.jpg

With my quick and dirty photos the lines look a lot fainter than they really are(compare Geoff's photo of the front to my more humble effort).

Cheers,
Jim Baxter

----- Original Message -----
From: "McCartney Taylor" <mccartney at blackbearddata.com>
To: meteorite-list at meteoritecentral.com
Sent: Sunday, July 26, 2009 4:00:40 PM GMT -08:00 US/Canada Pacific
Subject: [meteorite-list] Example of Lipping and direction stumper. TAKE 2

http://outofabluesky.com/images/stories/stoneymeteorites/allende12-7.jpg

This is an Allende. I'm not sure I understand the orientation signs I see.

I see a star flow line pattern which indicates this side is windward. But the lipping on the NW side hints the side is leeward. So I'm a bit confused.

Any ideas on alternate interpretations?

-mt



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Received on Sun 26 Jul 2009 07:58:09 PM PDT