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Northwest Africa 11021
Basic information Name: Northwest Africa 11021
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11021
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 443 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  LL7
Recommended:  LL7    [explanation]

This is 1 of 60 approved meteorites classified as LL7.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 17 Dec 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 11021 (NWA 11021)

(Northwest Africa)

Purchased: 2016 Jun

Classification: Ordinary chondrite (LL7)

History: Purchased by Fabien Kuntz in June 2016 from a Morocan dealer at the Sainte Marie-aux-Mines Mineral Show.

Petrography: (A. Irving and S. Kuehner, UWS) Very fresh specimen with poikiloblastic texture and no remnant chondrules. Minerals are orthopyroxene, olivine, clinopyroxene, oligoclase, troilite, chromite, stained kamacite and taenite.

Geochemistry: Olivine (Fa30.1-30.4, N = 3), orthopyroxene (Fs23.8-24.0Wo4.1-4.0, N = 3), clinopyroxene (Fs12.5-13.3Wo39.5-37.8, N = 2), plagioclase (An29.0Or1.2).

Classification: Ordinary chondrite (LL7).

Specimens: 22.21 g including one polished thin section at PSF; remainder with Kuntz.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Ste. Marie-aux-Mines
Date:P 2016 Jun
Mass (g):443.4
Pieces:1
Class:LL7
Shock stage:S2
Weathering grade:W0/1
Fayalite (mol%):30.1-30.4
Ferrosilite (mol%):23.8-24.0
Wollastonite (mol%):4.1-4.0
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):22.21
Type spec location:PSF
Main mass:F. Kuntz
Comments:K306; 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)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Alessandro Takeda   
Denis gourgues   
Mike Markowitz   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6900 approved meteorites from (Northwest Africa) (plus 2027 unapproved names)

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