[meteorite-list] NWA 773 lunar pairings
From: Jeff Grossman <jgrossman_at_meteoritecentral.com>
Date: Mon Jul 31 17:14:14 2006 Message-ID: <7.0.1.0.2.20060731171227.03550338_at_usgs.gov> 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 >______________________________________________ >Meteorite-list mailing list >Meteorite-list_at_meteoritecentral.com >http://six.pairlist.net/mailman/listinfo/meteorite-list Dr. Jeffrey N. Grossman phone: (703) 648-6184 US Geological Survey fax: (703) 648-6383 954 National Center Reston, VA 20192, USA Received on Mon 31 Jul 2006 05:14:07 PM PDT |
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