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Northwest Africa 11130
Basic information Name: Northwest Africa 11130
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11130
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 1245 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  H4
Recommended:  H4    [explanation]

This is 1 of 6033 approved meteorites (plus 11 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 17 Feb 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11130 (NWA 11130)

(Northwest Africa)

Purchased: 2013 Jul

Classification: Ordinary chondrite (H4)

History: Purportedly found in May 2013 near Assa, Morocco by a camel herder, and subsequently purchased by Mbark Arjdal in July 2013 from a dealer in Assa.

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, relatively small chondrules are set in a recrystallized matrix containing altered metal and minor calcite veinlets.

Geochemistry: Olivine (Fa18.9-19.0, N = 3), orthopyroxene (Fs16.3-17.0Wo1.0-0.8, N = 3), clinopyroxene (Fs6.2-6.8Wo47.1-42.8, N = 2).

Classification: Ordinary chondrite (H4).

Specimens: 48 g including one polished thin section at UWB; remainder with Mr. M. Arjdal.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Assa
Date:P 2013 Jul
Mass (g):1245
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):18.9-19.0
Ferrosilite (mol%):16.3-17.0
Wollastonite (mol%):1.0-0.8
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):48
Type spec location:UWB
Main mass:M. Arjdal
Comments:Arj16-11; 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
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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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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