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

From: Bob Evans <bobe5531_at_meteoritecentral.com>
Date: Thu Jun 16 19:44:48 2005
Message-ID: <006101c572cd$21aa2cb0$5092a543_at_yourae066c3a9b>

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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Received on Thu 16 Jun 2005 07:43:00 PM PDT