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Northwest Africa 11940
Basic information Name: Northwest Africa 11940
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11940
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 180 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 678 approved meteorites classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 3 Aug 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11940 (NWA 11940)

(Northwest Africa)

Purchased: 2018

Classification: Ordinary chondrite (L3)

History: The meteorite was bought from a Moroccan meteorite dealer at a mineral fair in Sainte Marie aux Mines, France.

Physical characteristics: Dark brownish individual lacking any fusion crust.

Petrography: The meteorite shows a chondritic texture with well separated and partly flattened chondrules (apparent mean diameter about 0.6 mm).

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Sainte Marie aux Mines, France
Date:P 2018
Mass (g):180
Pieces:1
Class:L3
Shock stage:S1
Weathering grade:W2
Fayalite (mol%):14.8±9.6 (0.8-24.7, n=20)
Ferrosilite (mol%):13.1±7.3 (3.8-22.1, n=16)
Wollastonite (mol%):0.7±0.4 (0.3-1.5, n=16)
Magnetic suscept.:4.59
Classifier:A. Greshake, MNB
Type spec mass (g):22.5
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6984 approved meteorites from (Northwest Africa) (plus 2008 unapproved names)

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