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Northwest Africa 8429
Basic information Name: Northwest Africa 8429
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8429
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 113 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  CK5
Recommended:  CK5    [explanation]

This is 1 of 162 approved meteorites classified as CK5.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 9 Mar 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 8429 (NWA 8429)

(Northwest Africa)

Purchased: 2014 Mar

Classification: Carbonaceous chondrite (CK5)

History: Purchased in Temara, Morocco by Adam Aaronson in March 2014.

Petrography: (A. Irving and S. Kuehner, UWS) Fresh specimen composed of sparse, separated, medium-sized, granular chondrules (containing abundant magnetite) in a pale brown matrix. Minerals are olivine, clinopyroxene, intermediate plagioclase, stained Cr-bearing magnetite and pentlandite.

Geochemistry: Olivine (Fa35.3-35.5; FeO/MnO = 112-145, N = 3), clinopyroxene (Fs9.3-9.6Wo45.9-46.3; FeO/MnO = 69, N = 3).

Classification: Carbonaceous chondrite (CK5).

Specimens: 23.5 g including one polished thin section at UWB. The remaining material is held by Aaronson.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2014 Mar
Mass (g):113
Pieces:1
Class:CK5
Shock stage:S2
Weathering grade:low
Fayalite (mol%):35.3-35.5
Ferrosilite (mol%):9.3-9.6
Wollastonite (mol%):45.9-46.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):23.5
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1704; 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)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

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

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