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Northwest Africa 11030
Basic information Name: Northwest Africa 11030
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11030
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 346 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  L4
Recommended:  L4    [explanation]

This is 1 of 2060 approved meteorites (plus 5 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 9 Jan 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11030 (NWA 11030)

(Northwest Africa)

Purchased: 2016 Sep

Classification: Ordinary chondrite (L4)

History: Purchased by John Higgins in September 2016 from a dealer in Nouakchott, Mauritania.

Petrography: (A. Irving and S. Kuehner, UWS) Closely packed, well-formed chondrules are set in a sparse matrix containing altered metal.

Geochemistry: Olivine (Fa24.5-26.0, N = 3), orthopyroxene (Fs5.7-44.4Wo0.2-3.2, N = 3), subcalcic augite (Fs11.8Wo34.2), augite (Fs8.9Wo42.0). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.51.

Classification: Ordinary chondrite (L4).

Specimens: 20.8 g including one polished thin section at UWB; remainder with Mr. J. Higgins.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Nouakchott, Mauritania
Date:P 2016 Sep
Mass (g):346
Pieces:1
Class:L4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):24.5-26.0
Ferrosilite (mol%):5.7-44.4
Wollastonite (mol%):0.2-3.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.8
Type spec location:UWB
Main mass:J. Higgins
Comments:JH16-11; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
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.
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Kenneth Alvarez Castillo   
Pierre Malet   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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