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Northwest Africa 12015
Basic information Name: Northwest Africa 12015
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12015
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 1025 g
Classification
  history:
Meteoritical Bulletin:  MB 107  (2018)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2930 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 23 Sep 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 12015 (NWA 12015)

(Northwest Africa)

Purchased: 2007 Feb

Classification: Ordinary chondrite (LL6)

Petrography: Chondrules are relatively difficult to recognize. The matrix is mostly recrystilized with fine secondary grains. Weak mosaicism is seen in parts with undulatory extinction. Pervasive shock veins are seen with melt pockets. Minor oxidation is taking place in the metals. (S. Yokoyama, ROM).

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Tucson Gem and Mineral Show
Date:P 2007 Feb
Mass (g):1025.11
Pieces:1
Class:LL6
Shock stage:S4
Weathering grade:W1
Fayalite (mol%):28.8±1
Classifier:S. Yokoyama, ROM
Type spec mass (g):21.2
Type spec location:ROM
Main mass:DGregory
Comments:Catalogued at the Royal Ontario Museum as LM58147; 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:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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