[meteorite-list] NWA 869

[vincent stelluti]

Concerning NWA 869

I have in my possession tree fragments:

- m1 = (630 ± 0,5) g that I bought from Dean Bessey

- m2 = (65,4 ± 0,1) g bought from Walter Branch

- m3 = (41,3 ± 0,1) g bought from Walter Branch



Vincent



----- Original Message ----- 
From: "Jeff Grossman" <jgrossman at usgs.gov>
To: <meteorite-list at meteoritecentral.com>
Sent: Monday, June 13, 2005 8:22 AM
Subject: [meteorite-list] NWA 869


> Okay list, time to make yourselves useful...
>
> Everybody wants the NomCom to publish and make official the name NWA 869. 
> So please, if you know anything, help contribute to the facts so I can 
> produce a writeup for submission to the committee.
>
> Here's what I've got:
>
> * At least 400 kg of material has been sold out of markets in Morocco 
> under this name.
>
> * Alan Rubin classified a piece.  It was a fragmental breccia, probably 
> L4-6.  A thin section of L5 material gave Fa24.2, S3, W1.
>
> So what's the rest of the story?  How much is out actually there?  When 
> did it appear on the market?  Is it all coming from one finder/dealer?  Is 
> the find location known?  Is it really L4-6 (is this the right range)?  Is 
> it all coming from the same fall, or is the name NWA 869 a garbage can for 
> all kinds of unclassified ordinary chondrites?  What large stones are in 
> collections?  Are other NWAs paired with 869?  Which?
>
> Please reply to the list only... I don't need a separate copy.
>
> jeff
>
> Dr. Jeffrey N. Grossman       phone: (703) 648-6184
> US Geological Survey          fax:   (703) 648-6383
> 954 National Center
> Reston, VA 20192, USA
>
>
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