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Northwest Africa 11283
Basic information Name: Northwest Africa 11283
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11283
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 69 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  CK6
Recommended:  CK6    [explanation]

This is 1 of 56 approved meteorites classified as CK6.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 31 May 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11283 (NWA 11283)

(Northwest Africa)

Purchased: 2017 Jan

Classification: Carbonaceous chondrite (CK6)

History: The meteorite was purchased from a local meteorite dealer in Guelmin, Morocco.

Physical characteristics: Small black to dark grayish individual partly covered fusion crust.

Petrography: The meteorite is largely composed of fine-grained recrystallized matrix mainly consisting of ferrous olivine. Chondrules are only rarely encountered. Minor phases include intermediate plagioclase, low-Ca pyroxene, Ca-pyroxene and troilite. Cr-rich magnetite is abundant, metal is virtually absent.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Guelmin, Morocco
Date:P 2017 Jan
Mass (g):69
Pieces:1
Class:CK6
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):31.1±0.8 (n=20)
Ferrosilite (mol%):9.5±1.2 (n=20)
Wollastonite (mol%):47.6±1.5 (n=20)
Classifier:A. Greshake, MNB
Type spec mass (g):14.6
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
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.
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6759 approved meteorites from (Northwest Africa) (plus 2047 unapproved names)

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