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Northwest Africa 11194
Basic information Name: Northwest Africa 11194
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11194
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 152 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  CO3
Recommended:  CO3    [explanation]

This is 1 of 554 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 10 Apr 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11194 (NWA 11194)

(Northwest Africa)

Purchased: 2016 Nov

Classification: Carbonaceous chondrite (CO3)

History: Purchased by John Higgins in November 2016 from a dealer in Laayoune, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Relatively small chondrules (apparent diameter 200±100 μm), sparse CAI and angular mineral fragments are set in a fine grained matrix (~25 vol.%, deep brown in thin section).

Geochemistry: Olivine (Fa0.3-72.2, Cr2O3 in ferroan examples 0.26-0.46 wt.%, N = 7), orthopyroxene (Fs1.3-6.0Wo0.9-2.4, N = 3), augite (Fs7.2Wo36.7), Al-Ti-diopside (Fs0.3Wo47.8, TiO2 = 1.0 wt.%, Al2O3 = 4.1 wt.%).

Classification: Carbonaceous chondrite (CO3).

Specimens: 22.1 g including one polished thin section at UWB; remainder with Mr. J. Higgins.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Laayoune
Date:P 2016 Nov
Mass (g):152
Pieces:1
Class:CO3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):0.3-72.2
Ferrosilite (mol%):1.3-6.0
Wollastonite (mol%):0.9-2.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):22.1
Type spec location:UWB
Main mass:J. Higgins
Comments:JH17-2; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Photos:
CreditPhotos
Public domain photographs:
A. Irving   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7374 approved meteorites from (Northwest Africa) (plus 1957 unapproved names)

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