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Northwest Africa 8129
Basic information Name: Northwest Africa 8129
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8129
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 610 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  H4
Recommended:  H4    [explanation]

This is 1 of 6038 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 29 Jul 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8129 (NWA 8129)

(Northwest Africa)

Purchased: 2013 Sep

Classification: Ordinary chondrite (H4)

History: Purchased by S. Vasiliev from a dealer in Midelt, Morocco, in September 2013.

Petrography: (A. Irving and S. Kuehner, UWS) Well-developed, small chondrules (0.2-1.0 mm, mean 0.6 mm) in a relatively coarse grained matrix containing ~15 vol.% stained metal.

Geochemistry: Olivine (Fa15.0-15.3), orthopyroxene (Fs13.3-14.8Wo0.4-0.6), subcalcic augite (Fs10.8Wo35.5; Fs14.1Wo27.1).

Classification: Ordinary chondrite (H4).

Specimens: 20.1 g including one polished thin section at UWB. The remainder is held by S. Vasiliev.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Midelt
Date:P 2013 Sep
Mass (g):610
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):15.0-15.3
Ferrosilite (mol%):13.3-14.8
Wollastonite (mol%):0.4-0.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):37.4
Type spec location:UWB
Main mass:S. Vasiliev
Comments:SV13; 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 Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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