[meteorite-list] Fwd: New Lunar Available

From: dean bessey <deanbessey_at_meteoritecentral.com>
Date: Sat, 15 Sep 2007 02:10:41 -0700 (PDT)
Message-ID: <193841.74890.qm_at_web56103.mail.re3.yahoo.com>

Some of those pieces have nice crust. Any photos of
the cut surface?
Cheers
DEAN



--- ensoramanda <ensoramanda at ntlworld.com> wrote:

>
> Hi,
>
> Great series of photos of a new Lunar....well worth
> a look. Would have
> loved to have seen a photo of it before someone hit
> it with a hammer!
>
> Graham Ensor
>
> Jason Utas wrote:
>
> >Hola,
> >I'm forwarding this on behalf of Mbark Ait Lkaid -
> I have no part in
> >this deal, though I must say that I would at least
> take a look at the
> >crust on some of the pieces even if not interested
> in
> >buying...freshest lunar material I've seen in a
> good while.
> >- Jason
> >
> >---
> >
> >Hello All,
> >I'd like to introduce myself. My name is Mbark Ait
> Lkaid, and I am a
> >well-known meteorite dealer from Rissani, Morocco.
> I was the source
> >of many of the important meteorites that you have
> come to see grace
> >the meteorite market over the past several months,
> namely the renowned
> >NWA 4483, and today I'd like to announce that I
> have another very
> >special meteorite available for collectors: the
> Lunar Monzogabbro NWA
> >4734. I own the main mass, and, am making it
> available to all of you
> >on a first-come, first-serve basis.
> >Here's a copy of the scientific abstract:
> >
> >
> >Proposed Name NWA 4734
> >Geographic Coordinates: Undisclosed.
> >Erfoud, Morocco
> >Find : October, 2006
> >
> >- Show quoted text -
> >Major classification group) Achondrite (Lunar
> monzogabbro)
> >History: bought from nomads in Erfoud ( Morocco )
> in October 2006 and
> >February 2007.
> >Physical characteristics: One complete crusted
> stone freshly broken
> >into several pieces for a TKW of 1439 g . Dull
> black/brown fusion
> >crust. It is a light gray, coarse grained, pristine
> magmatic rock
> >consisting of millimetric phenocrysts mainly of
> pyroxene and
> >plagioclase. The few patches where crust is missing
> are light tanned.
> >
> >Petrography: A. Jambon, O. Boudouma and D. Badia.
> UPVI .
> >The texture is best described as shergottitic like.
> Pyroxene are
> >highly fractured while plagioclase laths, partly
> transformed to
> >maskelynite, are only affected by a small number of
> fractures. Silica
> >and silica-feldspar glass are minor components. A
> few impact melt
> >patches underline the similarity with shergottites
> further. Ilmenite,
> >baddeleyite, zirconolite, tranquilityite,
> pyrrhotite and metal.
> >Fayalite associated with silica probably results
> from the dissociation
> >of iron rich pyroxene. Minor terrestrial
> alteration.
> >Mode (vol %): Cpx 50, Plagioclase + Kspar 32,
> silica + glass 7.5,
> >opaques (ilmenite, Ti-magnetite, pyrrhotite) +
> fayalite 7, voids +
> >fractures 3.
> >Geochemistry: Mineralogy by EMP and SEM.(Trace
> -ICP-MS- and major
> >-ICP-AES- element analyses, J-A Barrat UBO).
> >Pyroxene exhibit a complex zoning from En65Fs21Wo13
> to En2Fs83Wo15
> >with a FeO/MnO of 78 on the average. A few
> compositions correspond to
> >pyroxferroite. Plagioclase is normally zoned from
> An 91 to An 75 with
> >a sharp rim. Average composition An 89. Fayalite
> (Fa 80 to 95).
> >Chondrite normalized REE pattern with an enrichment
> of 53 (La) to 40
> >(Yb). Trace element pattern with negative anomalies
> of Sr and Eu.
> >Interstitial glass high in silica (75%) containing
> microcrysts of K
> >feldspar with a significant celsian component.
> >
> >
> >Classification: According to the grain size, the
> texture, the
> >plagioclase composition, the core composition of
> pyroxenes, the
> >FeO/MnO ratio in pyroxene and the chemical identity
> with lunar
> >basalts, it is classified as a highly shocked lunar
> gabbro (Mare
> >basalt).
> >
> >
> >Type specimens: A total of 20 g of sample and one
> polished section is
> >on deposit at UPVI.
> >
> >Stefan Ralew, Siriusstrasse 19, 12524 Berlin,
> Germany : 19.6g, 14.1g,10.8g
> >Aziz Habibi, Palm's hotel, Erfoud, Morocco : 409g,
> 68 g .
> >Mbarek Ait Elkaid, Rissani , Morocco 895g (one
> large piece and about
> >ten subsidiary pieces and a few smaller fragments).
> >
> >-----
> >
> >Here is a list of available specimens:
> >
> >1_____443.2gr
> >2_____202 gr
> >3_____49.1gr
> >4_____46.1gr
> >5_____32.7gr
> >6_____24.8gr
> >7_____22.9gr
> >8_____12.6gr
> >9_____11gr
> >10____8.3gr
> >11____12.6gr (small fragments)
> >
> >
> >
> >Here are pictures of all of the specimens:
> >
> >
> >http://www.flickr.com/photos/13122286 at N04/
> >
> >
> >
> >For prices, email:
> >
> >mbarkaitlkaid at yahoo.fr
> >
> >
> >Kind Regards.
> >______________________________________________
> >Meteorite-list mailing list
> >Meteorite-list at meteoritecentral.com
>
>http://six.pairlist.net/mailman/listinfo/meteorite-list
> >
> >
> >
> >
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>
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Received on Sat 15 Sep 2007 05:10:41 AM PDT