[meteorite-list] AD; pre-classification sale, NWA 2906

From: Tom Knudson <peregrineflier_at_meteoritecentral.com>
Date: Thu Jun 16 19:51:23 2005
Message-ID: <002601c572ce$4b19f930$2d107918_at_Michelle>

Bob, that's the problem with NWA 869, any meteorite out of NWA that is
anywhere between L3.8 and L6 is automatically 869 that is why 869 is so
huge, there can be no other L's from Africa now. I think Ted Bunch would
have recognized it as 869 if it were, but we will see.
Thanks, Tom
peregrineflier <><

----- Original Message -----
From: "Bob Evans" <bobe5531_at_comcast.net>
To: "Tom Knudson" <peregrineflier_at_npgcable.com>
Cc: <meteorite-list_at_meteoritecentral.com>
Sent: Thursday, June 16, 2005 4:43 PM
Subject: Re: [meteorite-list] AD; pre-classification sale, NWA 2906


> Tom,
>
> With all due respect.............. that's NWA 869.
> I don't care if it was purchased in Siberia its still 869
>
> Bob
> ----- Original Message -----
> From: "Tom Knudson" <peregrineflier_at_npgcable.com>
> To: "met list" <meteorite-list_at_meteoritecentral.com>
> Sent: Thursday, June 16, 2005 6:19 PM
> Subject: [meteorite-list] AD; pre-classification sale, NWA 2906
>
>
> > Hello List, I am bored so I thought I would try something new, a
> > pre-classification (bid) sale! This meteorite is at NAU getting
> > classified
> > as you read this.
> > It has been given the name NWA 2906 and this is the ONLY FULL SLICE in
> > existence so if you like full slices, this is your only chance to have
one
> > from this new meteorite. The TKW of NWA 2906 was 194 grams. The rest of
> > this meteorite is in part slices and the main mass. This was purchased
in
> > Rissani, Morocco, so unless nwa 869 is from Rissani, they should not be
> > paired, or that is one big strewn field! : ) I sent a part slice to
Bernd
> > Pauli, the "human book" and he was nice enough to write this up.
> >
> >
> > ************************************************************
> > "NWA 2906, L4, regolith breccia with an assortment of clasts
> > (7.6-gram slice from Tom)
> >
> > According to a preliminary analysis by Ted Bunch from NAU, NWA 2906
might
> > be an L4 asteroidal regolith breccia. The cut and polished slice shows
an
> > assortment of different clasts, chondrules, and chondrule fragments. It
is
> > fairly rich in troilite (FeS) and nickel-iron (FeNi) metal, several FeNi
> > blebs harbor troilite islands. The following gamut of chondrule types
have
> > been observed in NWA 2906:
> >
> > barred olivine chondrules (BO), porphyritic olivine pyroxene chondrules
> > (POP), armored chondrules, radiating pyroxene chondrules (RP), and a few
> > polysomatic BO chondrules. While several chondrules still have
> > well-defined
> > rims, others show poorly delineated rims which would be indicative of an
> > L4-5
> > or L5 chondrite.
> >
> > The degree of recrystallization of the matrix would also point to an L5
> > classi-
> > fication. Some small matrix areas are shock-darkened and criss-crossed
by
> > black,
> > glossy melt veinlets. *One totally amorphous, kidney-shaped, grayish
> > inclusion
> > is probably an achondritic xenolith."*
> >
> > *my note, this slice does not have this inclusion.* if you want a part
> > slice
> > with this inclusion, we can talk. : )
> >
> > ************************************************************
> >
> > For all the non ebayers, we will try the old; send me your maximum bid
up
> > to Monday night (6/20) and the highest bid gets it. : ) We will talk
> > about
> > how you want it shipped and determine the actual shipping costs. : )
> >
> > This full slice is 11.5g's but is only about 2mm thick. It measures
about
> > 2.5 inches X 1 1/4 inches and is polished on both sides.
> >
> > Cut real thin for maximum surface;
> > http://img.photobucket.com/albums/v609/peregrineflier/DSCN1362.jpg
> >
> > front;
> > http://img.photobucket.com/albums/v609/peregrineflier/DSCN1363.jpg
> >
> > Barred Chondrule;
> > http://img.photobucket.com/albums/v609/peregrineflier/DSCN1360.jpg
> >
> > Back;
> > http://img.photobucket.com/albums/v609/peregrineflier/DSCN1365.jpg
> >
> > matrix;
> > http://img.photobucket.com/albums/v609/peregrineflier/DSCN1356.jpg
> >
> > Something : )
> > http://img.photobucket.com/albums/v609/peregrineflier/DSCN1000.jpg
> >
> > Thanks for looking, Tom
> > peregrineflier <><
> >
> >
> > ______________________________________________
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> >
>
>
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Received on Thu 16 Jun 2005 07:51:19 PM PDT