[meteorite-list] NWA 773 lunar pairings

[Jeff Grossman]

At 05:02 PM 7/31/2006, David Weir wrote:
>My point about NomCom concerned the issue of whether these new 
>Bulletin entries (e.g., NWA 2727) would be permitted to include a 
>statement about its likely pairing to NWA 773. I didn't think that 
>NomCom rules would permit this, even though it would be beneficial 
>information for which to have access. As Jeff acknowledged, it would 
>be the professional journals in which this info would be deseminated.

There is no problem including pairing statements in initial 
descriptions.  If they pass editorial muster, they will be published.


>David
>
>
>Dave Carothers wrote:
>
>
>>Good evening, all.
>>Can someone please help me out with an explanation?
>>In looking at the Met Bul classifications of the "pairings" we have:
>>NWA 773, Lunar cumulate olivine norite with regolith breccia
>>NWA 2700 Classification pending
>>NWA 2727 Lunar mare basalt/gabbro breccia
>>NWA 2977 Lunar gabbro
>>NWA 3160 Lunar mare basalt breccia
>>NWA 3333 Classification pending
>>To my military mind, it seems to me that the classifications of the above
>>Lunars are divergent enough to wonder how they could be paired.  If they are
>>truely paired, shouldn't the original classifications been the same or
>>closer?
>>Thanks,
>>Dave
>>----- Original Message ----- From: "David Weir" <dgweir at earthlink.net>
>>To: "Meteorite List" <meteorite-list at meteoritecentral.com>
>>Sent: Monday, July 31, 2006 3:23 PM
>>Subject: [meteorite-list] NWA 773 lunar pairings
>>
>>>List,
>>>
>>>Well, the results are in - in the MetSoc 69th Annual Meeting abstract
>>>#5235 that is... and just as I had suspected, NWA 773 has any brothers
>>>and sisters: NWA 2700 (previously with Boswell), 2727 (Oakes et al.),
>>>2977 (Farmer), 3160 (Hupe), and 3333 (Kuntz) are all considered to be
>>>paired by the eminent scientists Zeigler, Korotev, Jolliff, Bunch, and
>>>Irving. Of course, I'm not sure the NomCom rules allow such an official
>>>   pairing with NWA 773 after the fact, especially with no reliable
>>>geographic coordinates. But then a future peer-reviewed journal
>>>publication could make it officially "official" I believe. No matter,
>>>the abstract is more than convincing if your own eyes have ever cast
>>>doubt on their pairing. I have some revisions to make on my site.
>>>
>>>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