[meteorite-list] nwa869

From: John Divelbiss <j.divelbiss_at_meteoritecentral.com>
Date: Thu Apr 22 10:00:05 2004
Message-ID: <000b01c224e3$a1c343e0$1f015a0c_at_0m824>

Hello List,

I'm probably wrong here, so please help me out here.

Lets get it out open for everyone...which ones are we talking about here
that maybe paired with 869. I've been wondering about this group for awhile
now.

NWA 869 paired with
NWA 900 ?
NWA 904 ?
NWA 905 ?

Are there others that might match up?

At times, I think NWA 787 (L6) looks like a close (differentiated) cousin to
869.

Could a large enough meteor have all these petrological possibilities within
different zones of the original large mass (prior to breaking up)... in
theory I suppose. One piece looking like an L5 or L6, and another L3/4.4
(Matteo is this correct for yours...and which NWA # of yours is it?)

Zag comes to mind being a H3-6. Obviously this mean that some chondrules are
3's and others are differentiated all the way to 6. Can you see these
differences in one slice or is it different from piece to piece? Could that
the same for 869 and its brothers?

By the way...I have pieces (NWA's) of all the above, and I think each one is
very nice material and at first glance they look about the same. Crusts are
slightly different in some cases...but could that be from the desert effects
in different locales?


Thanx for reading,

John Divelbiss

----- Original Message -----
From: "Matteo Chinellato" <mcomemeteorite2000_at_yahoo.it>
To: "dean bessey" <deanbessey_at_hotmail.com>;
<meteorite-list_at_meteoritecentral.com>
Sent: Saturday, July 06, 2002 2:03 AM
Subject: Re: [meteorite-list] nwa869


> Hello all
>
> Sorry but I have a new classification for this type of
> chondrite from the pieces I have sent for analysis, is
> L3/4.4
> Regards
>
> Matteo
>
> --- dean bessey <deanbessey_at_hotmail.com> wrote:
> > >Does anyone know the tkw for nwa869?
> > >Thanks,
> > >Rex
> > I had just over 500 kilos and I have another 70
> > kilos in morocco so I went
> > through around 600 kilos of NWA869 myself. I have 50
> > or 60 kilos here now
> > and so I still have well over 100 kilos from the
> > original 600 that I
> > originally had. Other dealers have more including
> > some that are obviously
> > from the same fall but sold as something different
> > because of a belief that
> > some samples are much better than the L5
> > classification that will appear in
> > the meteoritical bulletin. The inclusion like things
> > are fairly rare so I
> > can see it being missed during classification if the
> > sample that was used to
> > make the thin section never had one of the
> > inclusions. Look at this photo:
> > http://www.meteoriteshop.com/aa-nwa869b.jpg
> > The bottom half is typical NWA869 but the top part
> > looks like a totally
> > different meteorite. This one dont show it but many
> > samples have what appear
> > to be black or whitish inclusions.
> > I am going travelling next week but I can send a
> > kilo of uncut specimens to
> > anybody who paypals me $200 over the weekend. For
> > $230 I will cut the kilo
> > of specimens in two or for $300 a kilo I will cut
> > you 40 to 60 gram (On
> > Average) slices (And of course the two endpieces per
> > stone). No guarantees
> > of anything unusual but I will send you a photo of
> > the uncut specimens as
> > they looked before I cut them so that I cant cherry
> > pick them and decide
> > after I cut them which ones to send you - so you
> > would have as much a chance
> > to get the inclusion looking things as if you cut
> > them yourself.
> > Just paypal me if you want them as I have plenty to
> > fill any orders. I will
> > cover postage to the US (which cost $11) but other
> > countries add $15 for
> > postage (Which cost about $26 to $28 so I am getting
> > the same price no
> > matter where they are being sent)
> > Cheers
> > DEAN
> >
> _____________________________________________________________________
> > You dont have to go to NASA to get a Rock from outer
> > space. Or even from the
> > Planet Mars or the Moon. You just have to visit the
> > Meteorite Shop.
> > www.meteoriteshop.com
> >
> >
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>
> =====
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Received on Sat 06 Jul 2002 07:52:39 AM PDT