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Northwest Africa 11676
Basic information Name: Northwest Africa 11676
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11676
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 1664 g
Classification
  history:
Recommended:  L6    [explanation]

This is 1 of 10981 approved meteorites (plus 6 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 20 Feb 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11676 (NWA 11676)

(Northwest Africa)

Purchased: 2005

Classification: Ordinary chondrite (L6)

History: Purchased by an anonymous collector from a dealer at the Munich Show in 2005, subsequently acquired by the Hollis Collection and donated to PSF. In 2018 the specimen was acquired by the Kenosha Public Museum, Wisconsin.

Physical characteristics: A single broken stone (1664 g) partly coated with dark brown fusion crust. The fresher interior exhibits some partly weathered shiny metal and indistinct chondrules.

Petrography: (A. Irving and S. Kuehner, UWS) Mostly recrystallized with rare chondrule remnants and altered metal.

Geochemistry: Olivine (Fa26.1-26.2, N = 3), orthopyroxene (Fs20.9-21.2Wo1.3-1.5, N = 3), clinopyroxene (Fs7.8-8.3Wo44.2-44.7, N = 2).

Classification: Ordinary chondrite (L6).

Specimens: 39.1 g including one polished thin section at PSF; main mass housed at the Kenosha Public Museum, Wisconsin, USA.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2005
Mass (g):1664
Pieces:1
Class:L6
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):26.1-26.2
Ferrosilite (mol%):20.9-21.2
Wollastonite (mol%):1.3-1.5
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):39.1
Type spec location:PSF
Main mass:Kenosha Public Museum
Comments:Work name CHC18008; submitted by A. Irving
Institutions
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6900 approved meteorites from (Northwest Africa) (plus 2035 unapproved names)

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