[meteorite-list] Albareto

From: Matteo Chinellato <mcomemeteorite2000_at_meteoritecentral.com>
Date: Thu Apr 22 09:55:39 2004
Message-ID: <20020102143622.59168.qmail_at_web10303.mail.yahoo.com>

Hello all

>From another information from The Meteorite Collection
at the Department of Earth Sciences, University of
Modena, Italy, from the W.R.Van Schmus $ J.A.Wood,
1967 - Geoch. Cosm. Acta 31, 747, the Albareto
meteorite is classificated a LL4 chondrite, but in the
all catologue of the others meteorite collections in
Italy - La Sapienza, Rome is L4 - Albareto is put on
L4 type. The unique is another modern classification
of the meteorite, I know the responsable of the Modena
University, and have many little pieces for analysis.
Regards


Matteo

--- Jeff Grossman <jgrossman_at_usgs.gov> wrote:
> Olivine in Albareto was measured by Mason (1963)
> [GCA 27, 1011-1023] to be
> Fa27 (The Catalogue of Meteorites and MetBase both
> contain an erroneous
> value for Mason). Rubin (1990) [GCA 54, 1217-1232]
> confirmed Mason's data,
> getting Fa26.6, as well as a Co content of kamacite
> of 14.4 mg/g. These
> data by Rubin place Albareto near the dividing point
> between L and LL
> chondrites, but Rubin placed it in the LL group.
> Trace element data of
> Kallemeyn et al. (1989) [GCA 53, 2747-2767] also
> show Albareto to be
> borderline between L and LL, but again, these
> authors placed it in
> LL. Clayton (1991) [GCA 55, 2317-2337] measured O
> isotopes in
> Albareto. His data place it safely in the LL field
> [d18O=+5.31,
> d17O=+3.96]. Cosmic ray exposure data are
> consistent with both L and LL
> groups.
>
> In view of these data, I think that the LL
> classification is the safest
> one. At worst, one could classify it along with
> Bjurboele as an L/LL
> chondrite. I can't see it being called an L
> chondrite on the basis of any
> recent published data.
>
> -Jeff
>
> At 04:25 PM 1/1/2002, Matteo Chinellato wrote:
> >Hello all
> >
> >The unique text on the Albareto meteorite I have in
> my
> >hands is of Paolo Gallitelli " Sulla Meteorite
> caduta
> >in Albareto di Modena nel Luglio 1766 " Roma 1940 -
> 18
> >pages, italian language. I am go in Modena
> University
> >and I have received confirm Albareto is a L4
> >chondrite. This is the unique informations I have.
> >Regards
> >
> >
> >Matteo
> >
> >--- Bernd Pauli HD
> ><bernd.pauli_at_lehrer1.rz.uni-karlsruhe.de> wrote:
> > > Matteo Chinellato wrote:
> > >
> > > > Albareto is a L4 chondrite, ...
> > >
> > > > from the original text on the analysis of the
> > > Albareto
> > > > meteorite in italian I have, is confirm the L4
> > > chondrite
> > >
> > > Thank you, Matteo, ... but I'd now like to see
> two
> > > references:
> > >
> > > a) The original Italian analysis
> > > [author(s), date, title, publication, etc.]
> > >
> > > b) Ursula's B. Marvin's reference.
> > >
> > > Which one is "more" recent and, thus, perhaps
> "more"
> > > ultimate?
> > >
> > >
> > > Best wishes,
> > >
> > > Bernd
> > >
> > > Show your support at the Red Cross Disaster
> Relief
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> > >
>
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> >=====
> >M come Meteorite - Matteo Chinellato
> >Via Triestina 126/A - 30030 - TESSERA, VENEZIA,
> ITALY
> >Email: mcomemeteorite2000_at_yahoo.it
> >Sale Site: http://www.mcomemeteorite.com
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> Dr. Jeffrey N. Grossman phone: (703) 648-6184
> US Geological Survey fax: (703) 648-6383
> 954 National Center
> Reston, VA 20192, USA
>
>
>
> Show your support at the Red Cross Disaster Relief
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=====
M come Meteorite - Matteo Chinellato
Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY
Email: mcomemeteorite2000_at_yahoo.it
Sale Site: http://www.mcomemeteorite.com
Collection Site: http://www.mcomemeteorite.info
ICQ 84588769 MSN Messanger: esquel54_at_hotmail.com
EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite_at_excite.it/

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Received on Wed 02 Jan 2002 09:36:22 AM PST