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Northwest Africa 11343 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11343 This is an OFFICIAL meteorite name. Abbreviation: NWA 11343 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 559 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 467 approved meteorites (plus 2 unapproved names) classified as CV3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 1 Jul 2017 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 11343 (NWA 11343) (Northwest Africa) Purchased: 2015 Classification: Carbonaceous chondrite (CV3) History: 53 pieces comprising a few small, whole stones and multiple fragments were purchased from a Moroccan dealer in September, 2015 by a third party and later acquired by Geoffrey Notkin (Aerolite Meteorites). Physical characteristics: 53 identically appearing stones, weathered, sandblasted, dark exterior. A saw cut reveals a numerous chondrules, some up to 3 mm, scattered small CAIs observed throughout. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows porphyritic chondrules, many of which are Type I. Fine grained matrix makes up ~40% of this meteorite. Opaques include troilite, Fe-Ni metal and oxidized iron. Geochemistry: (C. Agee and B. Ha, UNM) All olivine Fa3.9±4.3, Fe/Mn=46±23, n=15; ferroan olivine Fa10.2±2.6, Fe/Mn=68±33, Cr2O3=0.05±0.02, n=4 Low-Ca pyroxene Fs8.0±6.2Wo1.4±1.5, Fe/Mn=53±43, n=8. Classification: Carbonaceous chondrite (CV3) Specimens: 20.2 g including a probe mount on deposit at UNM, Geoffrey Notkin (Aerolite Meteorites) holds the main mass. | ||||||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
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Institutions and collections |
UNM: Institute of Meteoritics
MSC03 2050
University of New Mexico
Albuquerque NM 87131-1126
USA, United States; Website (institutional address; updated 12 Feb 2015) |
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Catalogs: |
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References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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