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Northwest Africa 11291
Basic information Name: Northwest Africa 11291
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11291
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 2.4 kg
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  LL3
Recommended:  LL3    [explanation]

This is 1 of 507 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 31 May 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11291 (NWA 11291)

(Northwest Africa)

Purchased: 2015 Aug

Classification: Ordinary chondrite (LL3)

Physical characteristics: Stone has no fusion crust, brown color.

Petrography: Numerous chondrules, up to 4 mm in diameter. Metal is partially oxidized. Metal abundance ~2 vol%.

Geochemistry: Olivine 21.6±8.4 (N=10), FeO/MnO (molar) 54.1±19.1 (N=10), Pyroxene Fs21.5±9.4Wo3.3±3.7 (N=10).

Classification: LL3

Specimens: 46.7 g including a thin section and probe mount at UWO. Main mass with S. Tutorow.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2015 Aug
Mass (g):2398.2
Pieces:218
Class:LL3
Weathering grade:W2
Fayalite (mol%):21.6±8.4 (N=10)
Ferrosilite (mol%):21.5±9.4 (N=10)
Wollastonite (mol%):3.3±3.7 (N=10)
Classifier:A. Bouvier (UWO)
Type spec mass (g):46.7
Type spec location:UWO
Main mass:S. Tutorow
Comments:Field name G637.; submitted by A. Bouvier (UWO)
Institutions
   and collections		 UWO: University of Western Ontario, Department of Earth Sciences, BGS 1030, 1151 Richmond St. N, London, Ontario, Canada N6A 5B7, Canada; Website (institutional address; updated 26 Jun 2024)
Catalogs:
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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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
An R•J      
chen wang      
Chunliang Zhang               
FRANK THOMPSON   
Ryan Upchurch   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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