[meteorite-list] Portales Valley Classification Info

From: Tom Knudson <peregrineflier_at_meteoritecentral.com>
Date: Tue May 17 12:11:21 2005
Message-ID: <007e01c55afb$10d28390$2d107918_at_Michelle>

Hi List, back in March of 2004, I made a lot of enemies on the list for
asking;

" I have to ask, was Portales Valley classified as a H6 ordinary
chondrite because "they" were to lazy to make up a new classification? It
would seem to me that this unique meteorite deserves it's own group instead
of being shoved into an already existing group.
 I do not feel like we have found every type of meteorite yet, are "they
going do this with all of them, just sticking them in existing categories,
or will they make a new one if need be?"

I was called everything from an idiot to a stupid mother $#*&^# by a lot of
people on the list for questioning the classification. I was put in my
place, never question the scientists, if they said it was a H6 ordinary
chondrite, then it was!

Just thought it was interesting . : )


Thanks, Tom
peregrineflier <><

----- Original Message -----
From: "Robert Woolard" <meteoritefinder_at_yahoo.com>
To: <meteorite-list_at_meteoritecentral.com>
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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Received on Tue 17 May 2005 12:11:20 PM PDT