Hello all-
Forwarding the below message as requested
Rob Wesel http://www.nakhladogmeteorites.com ------------------ We are the music makers... and we are the dreamers of the dreams. Willy Wonka, 1971
----- Original Message ----- From: "steve eshbaugh" <[EMAIL PROTECTED]>
To: "Rob Wesel" <[EMAIL PROTECTED]>
Sent: Tuesday, May 17, 2005 5:55 AM
Subject: Re: [meteorite-list] Portales Valley Classification Info
Hi Rob: I can't get anything put on the list so I thought I'd go through another list member. Please forward to all list members.
Just a reminder "Deep Impact" is on schedule for a July 4th rendezvous with the comet
"Tempel 1" More information may be obtained at www.nasa.gov
For the "Great Comet Crater Contest" go to www.planetary.org
Thanks
Steve
[EMAIL PROTECTED]> wrote:
I had a nice evening chat with Dr. Ruzicka a while back, this paper is the
completion of a very long endeavor. He is very erudite and enthusiastic on
the subject and I am glad to see the finished work. Portales Valley deserves
it.
Rob Wesel http://www.nakhladogmeteorites.com ------------------ We are the music makers... and we are the dreamers of the dreams. Willy Wonka, 1971
----- Original Message ----- From: "Robert Woolard"
To:
Sent: Monday, May 16, 2005 7:21 PM
Subject: [meteorite-list] Portales Valley Classification Info
Hello List,
Well for years now, I know a lot of us were puzzled by the classification of Portales Valley as an " H6 ordinary chondrite". (See my article in the May 2001 issue of Meteorite, titled " Portales Valley - A Not So Ordinary (Ordinary Chondrite??)! " In the recent past, the classification was modified a bit, being changed to read as an " H6 Impact Melt Breccia ".
I am excited to be able to say that there is a distinct chance the true uniqueness of PV may soon be reflected in a possible new moniker for this intriguing meteorite. David Weir was kind enough to make me aware of a new and comprehensive paper by Alex Ruzicka, Marvin Killgore, David Mittlefehldt, and Marc Fries in the current MAPS. In this detailed work, we now have the proposed reclassification of PV as an " H7, metallic-melt breccia (primitive achondrite)", with the case made for a new meteorite type designation of "Portalesite" due to this metallic-melt breccia characteristic.
You can read David's updated description of PV on his excellent website here:
http://www.meteoritestudies.com
Many thanks to David for news of this exciting paper, and to the authors of the paper as well.
Sincerely, Robert Woolard
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