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Northwest Africa 11886
Basic information Name: Northwest Africa 11886
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11886
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 36 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  Lunar
Recommended:  Lunar    [explanation]

This is 1 of 102 approved meteorites classified as Lunar.   [show all]
Search for other: Lunar meteorites
Comments: Approved 3 Aug 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11886 (NWA 11886)

(Northwest Africa)

Purchased: 2018 March

Classification: Lunar meteorite

History: Bought in Erfoud, Morocco, in March 2018

Physical characteristics: Cut surface reveals a gray interior with light grey and white clasts.

Petrography: (J. Gattacceca, CEREGE) Igneous fragmental breccia. Main minerals are pyroxene and plagioclase with typical grain size of 300 μm. Other minerals include olivine, chromite, troilite, silica polymorph (to 200 μm), ilmenite, rare metal.

Geochemistry: Pyroxene Fs44.4±6.0Wo22.9±9.0, FeO/MnO=67.3±12.4 (N=5). Plagioclase An92.7Ab7.2Or0.1 (N=2). Olivine Fa87.8, FeO/MnO=109 (N=1).

Classification: Lunar, fragmental breccia

Specimens: 7.5 g at CEREGE. Main mass with Labenne

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2018 March
Mass (g):36
Pieces:1
Class:Lunar
Weathering grade:minimal
Ferrosilite (mol%):44.4±6.0 (N=5)
Wollastonite (mol%):22.9±9.0
Magnetic suscept.:3.60
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):7.5
Type spec location:CEREGE
Main mass:Labenne Luc
Comments:work name LL76; submitted by Jérôme Gattacceca
Institutions
   and collections		 CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

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