[meteorite-list] Very Rare NWA2828

From: tett <tett_at_meteoritecentral.com>
Date: Sat, 6 Jan 2007 09:45:40 -0500
Message-ID: <002901c731a1$568486d0$6400a8c0_at_Tettenborn>

Which meteorite is considered the "smoking Gun" meteorite that may have
killed the dinosaurs? I know that some has been found which is mostly
shale. Can't remember the name though and google did not help. US find.

Cheers,

tett


----- Original Message -----
From: "Jeff Grossman" <jgrossman at usgs.gov>
To: <meteorite-list at meteoritecentral.com>
Sent: Saturday, January 06, 2007 9:40 AM
Subject: Re: [meteorite-list] Very Rare NWA2828


> They certainly should be considered relict meteorites if there is
> evidence that they were once meteorites, although a hunk of Canyon
> Diablo iron-shale would not be deserving of a separate name.
>
> jeff
>
> At 09:25 AM 1/6/2007, Jeff Kuyken wrote:
>>Hi David,
>>
>>What about irons & stony/irons etc? How do they fall into the new
>>category?
>>There are quite a few shales in collections and I'm curious if they would
>>be
>>considered 'relict'.
>>
>>Cheers,
>>
>>Jeff
>>
>>----- Original Message -----
>>From: David Weir
>>To: STARSANDSCOPES at aol.com
>>Cc: meteorite-list at meteoritecentral.com
>>Sent: Sunday, January 07, 2007 1:20 AM
>>Subject: Re: [meteorite-list] Very Rare NWA2828
>>
>>
>>Tom wrote:
>>
>> >Isn't this the first fossil meteorite open to the collector market?
>>
>>Since the new category of relict (or fossil) meteorites was adopted by
>>the Nomenclature Committee only this past October, I would imagine there
>>are likely other relict meteorites in our collections which have not
>>been so designated. The definition requires that more than 95% of a
>>meteorite has been replaced by secondary phases since its fall. The
>>meteorite Mills comes to mind as a possibility, but maybe its not quite
>>there yet.
>>
>>David
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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
>
>
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Received on Sat 06 Jan 2007 09:45:40 AM PST