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Bou Kra 008
Basic information Name: Bou Kra 008
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2012
Country: Western Sahara
Mass:help 306 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  H4
Recommended:  H4    [explanation]

This is 1 of 5767 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 9 Nov 2015
Writeuphelp
Writeup from MB 104:

Bou Kra 008        26°55.950’N, 12°56.440’W

Saguia el Hamra, Western Sahara

Find: 2012 Feb 25, 26

Classification: Ordinary chondrite (H4)

History: Discovered by S. Buhl and A. Koppelt during a natural history expedition at Grart Nwimissiat, Saquia al Hamra on 2012 Feb 25.

Physical characteristics: One brown stone of 304.5 g plus a chunk of 1.7 g; saw-cut shows chondrules set in fine-grained brown groundmass. Magnetic susceptibility log χ (× 10-9 m3/kg) = 5.17.

Petrography: Microprobe examination of a polished thin section shows well-defined chondrules (porphyritic, barred, radial) up to 1 mm (av. 0.6 mm), chondrule and mineral fragments in recrystallized, brecciated groundmass.

Geochemistry: (R. Bartoschewitz, P. Appel and B. Mader, Kiel) Olivine: Fa18.2-19.9; av. Fa18.6±0.37 (n=18); pyroxene Fs16.0-16.6Wo0.4-1.5; av. Fs16.3±0.23Wo1.2±0.41 (n=6); kamacite Ni = 3.0-7.1, Co=0.5-0.7 wt.%.

Classification: Ordinary Chondrite (H4) of shock stage S3 and weathering grade W1/2.

Specimens: 23.3 g on deposit at FSAC

Data from:
  MB104
  Table 0
  Line 0:
State/Prov/County:Saguia el Hamra
Origin or pseudonym:Grart Nwimissiat, Sakia al Hamra
Date:2012 Feb 25, 26
Latitude:26°55.950'N
Longitude:12°56.440'W
Mass (g):306.2
Pieces:2
Class:H4
Shock stage:S3
Weathering grade:W1/2
Fayalite (mol%):18.6±0.37 (n=18)
Ferrosilite (mol%):16.3±0.23 (n=6)
Wollastonite (mol%):1.2±0.41
Magnetic suscept.:5.17
Classifier:R. Bartoschewitz; H. Chennaoui Aoudjehane, FSAC
Type spec mass (g):23.3
Type spec location:FSAC
Main mass:A. Koppelt, K. Heinritzi
Finder:A. Koppelt, S. Buhl
Comments:Working namse AK2, AK3; submitted by H. Chennaoui Aoudjehane
Institutions
   and collections
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
FSAC: Universite Hassan II Casablanca, Faculte des Sciences Ain Chock, Departement de Géologie, BP 5366 Maârif, Casablanca, Morocco (institutional address; updated 9 Jan 2013)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:

Western Sahara
Coordinates:
     Recommended::   (26° 55' 57"N, 12° 56' 26"W)

Statistics:
     This is 1 of 80 approved meteorites from Saguia el Hamra, Western Sahara (plus 1 unapproved name)
     This is 1 of 202 approved meteorites from Western Sahara (plus 20 unapproved names)
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