[meteorite-list] [Shock Melt] Last 4 Slices - Slice of Heaven - NWA 6566 - AD
From: Greg Hupé <gmhupe_at_meteoritecentral.com>
Date: Mon, 17 Oct 2011 17:53:01 -0400 Message-ID: <5C31B8C90E6D4EEBB6C52A3F50722610_at_Gregor> Hello List, I've received two question over the last week regarding the dark blotchy area in the middle of these NWA 6566 slices. As confirmed by the classifier, Ted Bunch, this is shock melt, not weathering stains! Best Regards, Greg Dear List, Last week I announced a new Polymict Eucrite, NWA 6566 and the specimens flew out the door leaving just four very choice pieces. Here are the last specimens of NWA 6566: 7.32g complete slice ? 40mm x 33mm x 2mm http://www.lunarrock.com/nwa6566/img_0002.jpg 7.23g complete slice ? 41mm x 32mm x 1.5mm http://www.lunarrock.com/nwa6566/img_0003.jpg 7.06g complete slice ? 38mm x 33mm x 1.5mm http://www.lunarrock.com/nwa6566/img_0004.jpg 6.01g complete slice ? 35mm x 35mm x 1.5mm http://www.lunarrock.com/nwa6566/img_0009.jpg If you are interested in any of these, please send private email and I will be happy to send the price list. Thank you for considering NWA 6566 for your collection! Best Regards, Greg ==================== Greg Hup? The Hup? Collection gmhupe at centurylink.net www.LunarRock.com NaturesVault (eBay) IMCA 3163 ==================== Click here for my current eBay auctions: http://search.ebay.com/_W0QQsassZnaturesvault -----Original Message----- From: Greg Hup? Sent: Monday, October 10, 2011 5:07 PM To: meteorite-list at meteoritecentral.com Subject: [meteorite-list] Slice of Heaven - NWA 6566 - AD Dear List Members, A couple days ago I posted a preview link to a new meteorite I would like to announce - Northwest Africa 6566, a new Polymict Eucrite with a low Total Known Weight of just 145 grams in a single stone. This exciting meteorite has a very busy matrix with rare diogenite clasts, basaltic xenoliths and a shock rating of 2-4. I purchased this from a dealer at the 2011 Tucson Show. A very small end piece was initially sent to Ted Bunch in 2010 to determine if this stone was a meteorite or not. He determined that it was a meteorite, but a full type sample would be required to provide a proper classification. Upon first examination, I thought it looked very similar to some of the Omani lunar meteorites, but this stone was discovered in Northwest Africa! Without wanting to let this interesting meteorite get away, I agreed to the high asking price and submitted the full type sample after returning home in February. Here is part of Dr. Bunch' submitted classification to the Meteoritical Society, the Official entry in the Meteoritical Bulletin is edited and shortened: Northwest Africa 6566 Petrography (T. Bunch and J. Wittke, NAU): Shock-melt generated, fine-grained granular to subophitic basalt matrix with basaltic xenoliths and rare diogenite and glassy shock melt clasts arranged in flow orientation. Post crystallization shock, S2-4; weathering grade is low. Component modes (vol %): matrix, 69: xenoliths, 18; shock melt, 8; diogenite, 5. Mineral compositions: Matrix: orthopyroxene Fs64.5Wo4.1, Al2O3 = 3.2 wt % (FeO/MnO = 28); augite, Fs29.8Wo42.6, Al2O3 = 4.5 wt %; plagioclase, An89. Diogenite clasts: orthopyroxene, Fs31.1Wo1.5 (FeO/MnO = 27); olivine Fa43.1 (FeO/MnO = 64); chromite cr# = 79. Classification: Achondrite (polymict eucrite). Unusual eucrite in that a shock melt liquid was generated either within the parent body regolith or at shallow depth, enveloped clastic debris during a flow stage, cooled rapidly, followed by post crystallization partial recrystallization. I would like to now provide the list of all available specimens which is only 24 pieces. If you are interested in the price list, please email me privately. Enjoy the images! NWA 6566 Polymict Eucrite Specimens: 32.7-gram end cut Main Mass ? 35mm x 34mm x 21mm 1) http://www.lunarrock.com/nwa6566/nwa6566mainmass1.jpg 2) http://www.lunarrock.com/nwa6566/nwa6566mainmass2.jpg 7.37g complete slice ? 52mm x 30mm x 1.5mm http://www.lunarrock.com/nwa6566/img_0001.jpg 7.32g complete slice ? 40mm x 33mm x 2mm http://www.lunarrock.com/nwa6566/img_0002.jpg 7.23g complete slice ? 41mm x 32mm x 1.5mm http://www.lunarrock.com/nwa6566/img_0003.jpg 7.06g complete slice ? 38mm x 33mm x 1.5mm http://www.lunarrock.com/nwa6566/img_0004.jpg 6.92g complete slice ? 43mm x 31mm x 2mm http://www.lunarrock.com/nwa6566/img_0005.jpg 6.47g complete slice ? 42mm x 32mm x 1.5mm http://www.lunarrock.com/nwa6566/img_0006.jpg 6.4g complete slice ? 36mm x 36mm x 1.5mm http://www.lunarrock.com/nwa6566/img_0007.jpg 6.03g complete slice ? 38mm x 34mm x 1.5mm http://www.lunarrock.com/nwa6566/img_0008.jpg 6.01g complete slice ? 35mm x 35mm x 1.5mm http://www.lunarrock.com/nwa6566/img_0009.jpg 2.42g complete slice ? 50mm x 29mm x 1mm http://www.lunarrock.com/nwa6566/img_0010.jpg 5.876g part slice ? 37mm x 26mm x 2mm http://www.lunarrock.com/nwa6566/img_0011.jpg 2.226g part slice ? 30mm x 11mm x 2mm http://www.lunarrock.com/nwa6566/img_0012.jpg 656mg part slice ? 23mm x 6mm x ~2mm http://www.lunarrock.com/nwa6566/img_0013.jpg 456mg part slice (wedge cut) ? 14mm x 7mm x ~3mm http://www.lunarrock.com/nwa6566/img_0014.jpg 228mg fragment ? 7mm x 4mm x 2mm http://www.lunarrock.com/nwa6566/img_0015.jpg 138mg part slice ? 13mm x 4mm x 2mm http://www.lunarrock.com/nwa6566/img_0016.jpg 102mg fragment ? 5mm x 5mm x ~1mm http://www.lunarrock.com/nwa6566/img_0017.jpg 64mg fragment ? 9mm x 2mm x ~2mm http://www.lunarrock.com/nwa6566/img_0018.jpg 56mg fragment ? 11mm x 2mm x ~1mm http://www.lunarrock.com/nwa6566/img_0019.jpg 48mg fragment ? 6mm x 4mm x ~1mm http://www.lunarrock.com/nwa6566/img_0020.jpg 36mg fragment ? 5mm x 3mm x ~1mm http://www.lunarrock.com/nwa6566/img_0021.jpg 30mg fragment ? 6mmm x 3mm x ~1mm http://www.lunarrock.com/nwa6566/img_0022.jpg 130mg fragments - Misc. sizes http://www.lunarrock.com/nwa6566/img_0023.jpg Thank you for having a look at this exciting new meteorite! Best Regards, Greg ==================== Greg Hup? The Hup? Collection gmhupe at centurylink.net www.LunarRock.com NaturesVault (eBay) IMCA 3163 ==================== Click here for my current eBay auctions: http://search.ebay.com/_W0QQsassZnaturesvault ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list at meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list at meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list Received on Mon 17 Oct 2011 05:53:01 PM PDT |
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