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Northwest Africa 6719
Basic information Name: Northwest Africa 6719
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6719
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 134 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  LL4
Recommended:  LL4    [explanation]

This is 1 of 361 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 29 Sep 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6719 (NWA 6719)

Northwest Africa

Purchased: 2011 Feb

Classification: Ordinary chondrite (LL4)

Petrography: Fragmental genomict breccia consisting of angular chondrite clasts (up to 1 cm) in a fine-grained matrix of related material. Large, well-formed chondrules occur both within clasts and in the matrix. One clast with a completely recrystallized texture was found. Olivine, orthopyroxene, clinopyroxene, sodic plagioclase, altered kamacite, chromite, chlorapatite, troilite and taenite.

Geochemistry: Olivine Fa29.4-30.0, orthopyroxene Fs24.1-24.2Wo1.8-1.7, clinopyroxene Fs8.3-10.3Wo45.3-43.6.

Data from:
  MB100
  Table 1
  Line 1494:
Place of purchase:Agadir
Date:P 2011 Feb
Mass (g):134
Pieces:1
Class:LL4
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):29.4-30.0
Ferrosilite (mol%):24.1-24.2
Wollastonite (mol%):1.8-1.7
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Type spec location:UWS
Main mass:G. Fujihara
Comments:GF11-1; 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)
Gregor H.   
Michael S. Scherman   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7005 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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