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Northwest Africa 12016
Basic information Name: Northwest Africa 12016
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12016
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 1035 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2816 approved meteorites (plus 1 unapproved name) 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 23 Sep 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 12016 (NWA 12016)

(Northwest Africa)

Purchased: 2005 Feb

Classification: Ordinary chondrite (LL6)

Petrography: Very few chondrules are visible. Minor opaque and mostly recrystalized fine grained matrix surrounds chondrule fragments. A series of large dark patches with fine grained crystals are seen. Minor mosaicism is seen in some pyroxenes and undulatory extinction is present in olivines. Opaque shock veins are also seen. <3% of oxidation has affected metal. (S. Yokoyama, ROM).

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Tucson Gem and Mineral Show
Date:P 2005 Feb
Mass (g):1035.47
Pieces:1
Class:LL6
Shock stage:S3
Weathering grade:W1
Fayalite (mol%):30.5±1
Classifier:S. Yokoyama, ROM
Type spec mass (g):23.5
Type spec location:ROM
Main mass:DGregory
Comments:Catalogued at the Royal Ontario Museum as LM58148; submitted by V. Di Cecco, ROM
Institutions
   and collections
ROM: Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario M5S 2C6, Canada (institutional address; updated 18 Oct 2011)
DGregory: David Gregory, 230 First Avenue, Suite 108, St. Thomas, Ontario N5R 4P5, Canada (private address)
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 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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