[meteorite-list] Exploring the Solar System in Antarctica (NWA vs Antarctica)

From: Carl Agee <agee_at_meteoritecentral.com>
Date: Wed, 9 Oct 2013 14:21:51 -0600
Message-ID: <CADYrzhrdicrq9=pYm2do_hW0UhMcTaghy1iqjz0cT8Hiaix+EQ_at_mail.gmail.com>

Hi Mike,

Add to that list NWA 7731 (L3.00). Semarkona (LL3.00) may still be
King, but 7731 is certainly a Prince!

The only thing that Antarctic finds have going for them is that
weathering is much slower there than in North Africa, so fresher
material in general. But if I look at the ANSMET annual yield of
exceptional meteorites it is paltry compared to NWA. For planetaries
over the past ten years or so, NWA is definitely King!

Carl


*************************************
Carl B. Agee
Director and Curator, Institute of Meteoritics
Professor, Earth and Planetary Sciences
MSC03 2050
University of New Mexico
Albuquerque NM 87131-1126

Tel: (505) 750-7172
Fax: (505) 277-3577
Email: agee at unm.edu
http://meteorite.unm.edu/people/carl_agee/



On Wed, Oct 9, 2013 at 1:45 PM, Galactic Stone & Ironworks
<meteoritemike at gmail.com> wrote:
> Hi Adam and List,
>
> Not taking into account old Saharan meteorites (like Nakhla and
> Tatahouine), here is a list of some recent meteorites from the Sahara
> that hold significant scientific and/or collector interest :
>
> "Black Beauty" (NWA 7034)
>
> Tissint
>
> Jbilet Winselwan
>
> NWA 5000
>
> NWA 998
>
> Almahata Sitta
>
> NWA 4301
>
> Zag
>
> Gebel Kamil
>
> Too many Vestans to list.
>
> I threw together this list on the fly and in an arbitrary fashion.
> The true number of Saharan meteorites valuable to science is subject
> to interpretation, but it surely numbers in the many hundreds.
> Granted, many NWA's are weathered and redundant, highly-equilibrated,
> ordinary chondrites. But, many Antarctics are sub-gram fragments of
> paired finds. So I think the signal-to-noise ratio of NWA's versus
> Antarctics is about even.
>
> Best regards and happy huntings,
>
> MikeG
>
> --
> -------------------------------------------------------------
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>
>
>
>
>
>
> On 10/9/13, Adam Hupe <raremeteorites at yahoo.com> wrote:
>>
>>
>> It should be changed to "A few of the best meteorites are found in
>> Antarctica but these days, most are found in the Sahara"
>>
>> Adam
>>
>>
>>
>>
>> ----- Original Message -----
>> From: Paul H. <inselberg at cox.net>
>> To: "meteorite-list at meteoritecentral.com"
>> <meteorite-list at meteoritecentral.com>
>> Cc:
>> Sent: Wednesday, October 9, 2013 11:40 AM
>> Subject: [meteorite-list] Exploring the Solar System in Antarctica
>>
>> Exploring the Solar System From the Ends of the Earth
>> The best meteorites are found in ? Antarctica.
>> By Meenakshi Wadhwa, Slate Magazine
>> http://www.slate.com/articles/technology/future_tense/2013/09/the_best_meteorites_are_found_in_antarctica.html
>>
>> Yours,
>>
>> Paul H.
>> ______________________________________________
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Received on Wed 09 Oct 2013 04:21:51 PM PDT