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Northwest Africa 11327
Basic information Name: Northwest Africa 11327
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11327
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 4.54 kg
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  R3
Recommended:  R3    [explanation]

This is 1 of 34 approved meteorites classified as R3.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 14 Jul 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11327 (NWA 11327)

(Northwest Africa)

Purchased: 2017 Apr

Classification: Rumuruti chondrite (R3)

History: Acquired by a Moroccan dealer in April 2017 and subsequently purchased by Ke Zuokai.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia consisting of unequilibrated type-3 chondrite clasts plus separate well-formed chondrules (apparent diameter 450±400 μm, N = 12) in an orange-brown, stained matrix (~20 vol.%). Some angular enstatite clasts are present. Accessory minerals include pentlandite, iron sulfide, sodic plagioclase, Ti-bearing chromite and merrillite; metal is absent.

Geochemistry: Olivine (Fa3.7-47.7, mean Fa33.4±20.1, N = 5), orthopyroxene (Fs2.4-11.6Wo0.8-0.5, N = 3), subcalcic augite (Fs14.0Wo30.0), augite (Fs10.8Wo45.8).

Classification: R3 chondrite.

Specimens: 20.6 g including one polished thin section at UWB; remainder with Mr. Ke Zuokai.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2017 Apr
Mass (g):4535
Pieces:4
Class:R3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):3.7-47.7
Ferrosilite (mol%):2.4-11.6
Wollastonite (mol%):0.8-0.5
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.6
Type spec location:UWB
Main mass:K. Zuokai
Comments:Work name AH17-31; 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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Photos:
CreditPhotos
Public domain photographs:
A. Irving   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7048 approved meteorites from (Northwest Africa) (plus 1998 unapproved names)

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