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Northwest Africa 11260
Basic information Name: Northwest Africa 11260
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11260
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 25 kg
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  H4/5
Recommended:  H4/5    [explanation]

This is 1 of 501 approved meteorites classified as H4/5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 1 May 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11260 (NWA 11260)

Northwest Africa

Purchased: 2005

Classification: Ordinary chondrite (H4/5)

History: Purchased by Ben Hoefnagels in 2005 from Luc Labenne, who had acquired the stone from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Some well-formed, relatively small chondrules are set in a recrystallized matrix containing relatively abundant stained metal and merrillite.

Geochemistry: Olivine (Fa19.2-20.0, N = 3), orthopyroxene (Fs16.5-16.7Wo1.5-1.6, N = 3), clinopyroxene (Fs5.1-5.6Wo46.5-45.9, N = 2).

Classification: Ordinary chondrite (H4/5).

Specimens: 33 g including one polished thin section at UWB; remainder with Mr. B. Hoefnagels.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Paris
Date:P 2005
Mass (g):25000
Pieces:1
Class:H4/5
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):19.2-20.0
Ferrosilite (mol%):16.5-16.7
Wollastonite (mol%):1.5-1.6
Classifier:A. Irving & S. Kuehner
Type spec mass (g):33
Type spec location:UWB
Main mass:B. Hoefnagels
Comments:Work names SAH 99290 and BH100; 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)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 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 7320 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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