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Northwest Africa 11614
Basic information Name: Northwest Africa 11614
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11614
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 314 g
Classification
  history:
Recommended:  R3-5    [explanation]

This is 1 of 14 approved meteorites classified as R3-5.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 20 Feb 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11614 (NWA 11614)

(Northwest Africa)

Purchased: 2017 Sep

Classification: Rumuruti chondrite (R3-5)

History: Purchased by Gary Fujihara in September 2017 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of separated unequilibrated chondrules (apparent diameter 440±180 µm, N = 15) together with equilibrated type 5 chondrite clasts in a finer grained matrix. Accessory minerals include sodic plagioclase, pentlandite, troilite and Ti-bearing chromite.

Geochemistry: Olivine in equilibrated clasts (Fa40.2-42.4, N = 3), forsterite in type 3 chondrules (Fa2.9-3.3, N = 2), orthopyroxene (Fs1.1-31.0Wo0.3-2.2, N = 3), clinopyroxene (Fs0.8-10.0Wo45.8-46.3, N = 2), plagioclase (An9.4-12.0Or6.4-3.5, N = 2).

Classification: R3-5 chondrite breccia.

Specimens: 25.7 g including one polished thin section at UWB; main mass with Mr. G. Fujihara.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2017 Sep
Mass (g):314
Pieces:many
Class:R3-5
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):2.9-42.4
Ferrosilite (mol%):1.1-31.0
Wollastonite (mol%):0.3-2.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):25.7
Type spec location:UWB
Main mass:G. Fujihara
Comments:Work name GF17-4; 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. 107, in preparation (2018)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6752 approved meteorites from (Northwest Africa) (plus 2052 unapproved names)

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