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Northwest Africa 11343
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:help 559 g
Meteoritical Bulletin:  MB 106  (2018)  CV3
Recommended:  CV3    [explanation]

This is 1 of 602 approved meteorites (plus 1 unapproved name) 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 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:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2015
Mass (g):559.1
Shock stage:moderate
Weathering grade:moderate
Fayalite (mol%):3.9±4.3
Ferrosilite (mol%):8.0±6.2
Wollastonite (mol%):1.4±1.5
Classifier:C. Agee, UNM
Type spec mass (g):20.2
Type spec location:UNM
Main mass:Aerolite Meteorites Inc.
Comments:AE-10; submitted by C. Agee
   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)
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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     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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