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Northwest Africa 7192
Basic information Name: Northwest Africa 7192
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7192
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 1780 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  LL4
Recommended:  LL4    [explanation]

This is 1 of 357 approved meteorites classified as LL4.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 11 Jun 2012
Writeuphelp
Writeup from MB 100:

Northwest Africa 7192 (NWA 7192)

(Northwest Africa)

Purchased: 2012 Jan

Classification: Ordinary chondrite (LL4)

History: Purchased by John Higgins in 2012 January from a dealer in Rissani, Morocco.

Petrography: Breccia with clasts consisting of fairly large, relatively closely-packed, well-formed chondrules in a matrix containing a moderate amount of metal. Olivine, orthopyroxene, pigeonite, sodic plagioclase, chromite, troilite and altered kamacite.

Geochemistry: Olivine (Fa26.9-27.2), orthopyroxene (Fs21.3Wo0.2; remnant cores Fs12.2Wo2.0), pigeonite (Fs19.6-21.0Wo12.0-13.3).

Classification: Ordinary chondrite (L4).

Data from:
  MB100
  Table 1
  Line 1664:
Place of purchase:Rissani
Date:P 2012 Jan
Mass (g):1780
Pieces:1
Class:LL4
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):26.9-27.2
Ferrosilite (mol%):21.3
Wollastonite (mol%):0.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):60.8
Type spec location:UWS
Main mass:J. Higgins
Comments:JH11-12; 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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Aeroliths Collection Theodossiou   
Piotr gural100   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6781 approved meteorites from (Northwest Africa) (plus 2061 unapproved names)

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