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Northwest Africa 11963
Basic information Name: Northwest Africa 11963
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11963
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 73 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2963 approved meteorites (plus 2 unapproved names) classified as LL6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 15 Sep 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11963 (NWA 11963)

(Northwest Africa)

Purchased: 02/12/2015

Classification: Ordinary chondrite (LL6)

Petrography: The rock is brecciated and highly recrystallized.  Chondrules are poorly defined.  Plagioclase grains average 60 µm in size; many of them contain patches of maskelynite. There are black glassy shock veins in the rock.  It contains chromite-plagioclase assemblages and polycrystalline troilite. 

Data from:
  MB107
  Table 0
  Line 0:
Origin or pseudonym:Sahara
Place of purchase:Tucson, AZ
Date:P 02/12/2015
Mass (g):73
Pieces:1
Class:LL6
Shock stage:S5
Weathering grade:W1
Fayalite (mol%):28.4±0.3 (n=17)
Ferrosilite (mol%):23.3±0.2 (n=4) 9.6 (n=5)
Wollastonite (mol%):1.9±0.1 (n=4) 44.3 (n=5)
Classifier:A. Rubin, UCLA
Type spec mass (g):17
Type spec location:UCLA
Main mass:Verish
Comments:Submitted by Simone de Leuw
Institutions
   and collections		 UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Verish: Robert Verish, Meteorite-Recovery Lab, P.O. Box 463084, Escondido, CA 92046, United States; Website (private address; updated 27 May 2009)
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 9933 approved meteorites from (Northwest Africa) (plus 1837 unapproved names)

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