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Bou Kra 005
Basic information Name: Bou Kra 005
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2010
Country: Western Sahara
Mass:help 31.1 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  CM2
Recommended:  CM2    [explanation]

This is 1 of 532 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 27 Apr 2013
Writeuphelp
Writeup from MB 102:

Bou Kra 005        26.819°N, 12.724°W

Saguia el Hamra, Western Sahara

Found: 2010 Sep 28

Classification: Carbonaceous chondrite (CM2)

History: Found by Marc Jost and Roger Perrinjaquet on September 28, 2010, on the Grart Nwimissiat plateau in Western Sahara (substrate is fine-grained limestone and chert desert pavement).

Physical characteristics: Two fresh pieces found 10 m apart (19.89 g and 11.25 g) of a black, fine-grained stone with some remnant degraded black fusion crust.

Petrography: (A. Irving and S. Kuehner, UWS) Very small chondrules and mineral fragments (olivine, orthopyroxene, pigeonite, diopside and troilite), within an opaque to very dark-brown matrix containing phyllosilicates (cronstedtite) intergrown with tochilinite.

Geochemistry: Olivine Fa0.3-52.6, orthopyroxene Fs1.1-1.2Wo2.9-4.9, pigeonite Fs0.9-1.4Wo32.0-34.7, diopside Fs0.4Wo46.5.

Classification: CM2 chondrite.

Specimens: A total of 6.34 g of type material and one polished thin section are on deposit at UWB. The remaining material is held by SJS.

Data from:
  MB102
  Table 0
  Line 0:
State/Prov/County:Saguia el Hamra
Origin or pseudonym:Grart Nwimissiat
Date:2010 Sep 28
Latitude:26.819°N
Longitude:12.724°W
Mass (g):31.14
Pieces:2
Class:CM2
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):0.3-52.6
Ferrosilite (mol%):1.1-1.2
Wollastonite (mol%):2.9-4.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):6.34
Type spec location:UWB
Main mass:SJS
Comments:Field name SJS 11001; 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)
SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography:

Western Sahara
Coordinates:
     Recommended::   (26° 49' 8"N, 12° 43' 26"W)

Statistics:
     This is 1 of 84 approved meteorites from Saguia el Hamra, Western Sahara (plus 1 unapproved name)
     This is 1 of 206 approved meteorites from Western Sahara (plus 20 unapproved names)
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