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Northwest Africa 7194
Basic information Name: Northwest Africa 7194
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7194
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 141.6 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  R4
Recommended:  R4    [explanation]

This is 1 of 58 approved meteorites classified as R4.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 4-7)
Comments: Approved 22 Aug 2012
Writeuphelp
Writeup from MB 101:

Northwest Africa 7194 (NWA 7194)

(Northwest Africa)

Purchased: 2012 Jan

Classification: Rumuruti chondrite (R4)

History: Purchased in 2012 January by Greg Hupé from a Moroccan dealer at the Tucson Gem and Mineral Show.

Petrography: Separated, well-formed chondrules (mostly PO, with some RP and BO types) in an orange-brown matrix containing minor altered iron metal and barite. The main minerals are olivine, clinopyroxene, sparse orthopyroxene, sodic plagioclase, chromite and pentlandite.

Geochemistry: Olivine (Fa38.2-38.4), orthopyroxene (Fs29.8Wo1.4; Fs5.8-8.6Wo3.7-4.6), clinopyroxene (Fs9.1-10.7Wo46.0-45.3, Cr2O3 = 0.44-0.70 wt.%).

Classification: R4 chondrite.

Data from:
  MB101
  Table 0
  Line 0:
Place of purchase:Tucson
Date:P 2012 Jan
Mass (g):141.6
Pieces:1
Class:R4
Shock stage:S2
Weathering grade:W2/3
Fayalite (mol%):38.2-38.4
Ferrosilite (mol%):29.8; 9.1-10.7
Wollastonite (mol%):1.4; 46.0-45.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Type spec location:UWB
Main mass:GHupé
Comments:GH-429; 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)
GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Greg Hupe      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7009 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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