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Northwest Africa 11270
Basic information Name: Northwest Africa 11270
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11270
Observed fall: No
Year found: 2006
Country: (Northwest Africa)
Mass:help 16 kg
Classification
  history:
Recommended:  H3    [explanation]

This is 1 of 550 approved meteorites (plus 1 unapproved name) classified as H3.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 16 May 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11270 (NWA 11270)

(Northwest Africa)

Purchased: 2006

Classification: Ordinary chondrite (H3)

History: Purchased by Ben Hoefnagels in 2006 from Greg Hupé, who had acquired the stone from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Relatively small, well-formed chondrules (apparent diameter 300 ± 200 μm) are set in a fine grained matrix containing altered metal and merrillite.

Geochemistry: Olivine (Fa0.4-32.1, Cr2O3 in ferroan examples <0.02 wt.%, N = 7), orthopyroxene (Fs2.6-16.6Wo0.4-2.8, N = 3), augite (Fs6.4-8.3Wo45.6-37.1, N = 2).

Classification: Ordinary chondrite (H3).

Specimens: 32.9 g including one polished thin section at UWB; remainder with Mr. B. Hoefnagels.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Florida
Date:P 2006
Mass (g):16000
Pieces:1
Class:H3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):0.4-32.1
Ferrosilite (mol%):2.6-16.6
Wollastonite (mol%):0.4-2.8
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):32.9
Type spec location:UWB
Main mass:B. Hoefnagels
Comments:Work name BH101; 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 Meteoritical Bulletin, no. 106, in preparation (2017)
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Photos:
CreditPhotos
Public domain photographs:
A. Irving   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 5792 approved meteorites from (Northwest Africa) (plus 2067 unapproved names)

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