[meteorite-list] looking for classification advice for fresh find

From: Galactic Stone & Ironworks <meteoritemike_at_meteoritecentral.com>
Date: Tue, 18 Aug 2009 19:04:38 -0400
Message-ID: <e51421550908181604j18cd6b3fj8e65eba137eb4f43_at_mail.gmail.com>

Whatever it is, it looks very very fresh. I'd be elated if I came
across a stone like that, in-situ or in my mailbox. :)


On 8/18/09, James Baxter <jbaxter112 at pol.net> wrote:
> Hi Rob, Greg,
>
> That really does look like a fall; beautiful stone.
>
> It reminds me of Bensour a bit, although I didn't see evidenve of
> brecciation which is pretty prominent in the Bensour I have seen. Any chance
> it could be from that fall?
>
> Regards,
> Jim Baxter
> ----- Original Message -----
> From: "Greg Hupe" <gmhupe at htn.net>
> To: "Rob Lenssen" <rlenssen at planet.nl>, Meteorite-list at meteoritecentral.com
> Sent: Tuesday, August 18, 2009 11:54:50 AM GMT -08:00 US/Canada Pacific
> Subject: Re: [meteorite-list] looking for classification advice for fresh
> find
>
> Hello Rob,
>
> That is a very nice and fresh stone. I would say it does not represent any
> of the recent NWA falls. I would send it in to have it classified, and
> request the classifying scientist to have the terrestrial age dating
> performed by an approved lab. Obviously it will not get a distinct name
> without witnesses and GPS coords, but I think that it would be worth
> classifying.
>
> Good luck with it!
>
> Best regards,
> Greg
>
> ====================
> Greg Hupe
> The Hupe Collection
> NaturesVault (eBay)
> gmhupe at htn.net
> www.LunarRock.com
> IMCA 3163
> ====================
> Click here for my current eBay auctions:
> http://search.ebay.com/_W0QQsassZnaturesvault
>
>
>
> ----- Original Message -----
> From: "Rob Lenssen" <rlenssen at planet.nl>
> To: <Meteorite-list at meteoritecentral.com>
> Sent: Tuesday, August 18, 2009 2:43 PM
> Subject: [meteorite-list] looking for classification advice for fresh find
>
>
>> Dear List,
>>
>> I received a new meteorite directly from a Moroccan dealer last week, that
>>
>> looks remarkably fresh.
>>
>> The dealer told me the 314g stone was broken in (three) fragments by the
>> nomad who found it. Also the name of the town of find was provided.
>>
>> My first thought was that it would be one of recent years falls.
>> The dealer insists it's not.
>> As I thought the price to be OK, I decided to buy.
>>
>> I "studied" the pieces, and compared them to my Bassikounou:
>> The material looks whiter than Bassikounou (that again looks whiter (less
>> grey) than Chergach to me).
>> It has a lot of free iron (more than visible in the photographs) and few
>> visible larger chondrules.
>> Based on the free iron, I would not expect it to be LL like Bensour.
>> Tested with a magnet, it is attracted strongly, but slightly less than
>> Bassikounou an H-type chondrite.
>> And last, the crust has almost no dust (fine sand) contamination, like
>> Bassikounou typically has.
>>
>> My question is how to deal with this stone, with respect to
>> classification.
>> Does this stone deserve more than the standard NWA classification?
>> Should for instance terrestrial age be determined?
>> I would appreciate some guidance from List members who are
>> (professionally) involved in meteorite research.
>>
>> http://home.planet.nl/~rlenssen/314g/314g-NWA.html
>>
>> Kind regards,
>> Rob Lenssen
>> ______________________________________________
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>
>
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-- 
.........................................................
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Received on Tue 18 Aug 2009 07:04:38 PM PDT