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

[Galactic Stone & Ironworks]

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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