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Northwest Africa 6863
Basic information Name: Northwest Africa 6863
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6863
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 76.7 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  CV3
Recommended:  CV3    [explanation]

This is 1 of 536 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 29 Nov 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6863 (NWA 6863)

Northwest Africa

Purchased: Feb 2011

Classification: Carbonaceous chondrite (CV3)

Petrography: Granular chondrules (some with dust rims; composed mainly of olivine, orthopyroxene and augite) plus amoeboid, fine-grained CAI in a dark, fine-grained matrix.

Geochemistry: Olivine Fa0.4-57.8, orthopyroxene Fs0.6-32.7Wo0.9-0.2, augite Fs0.7-1.0Wo45.5-42.8.

Data from:
  MB100
  Table 1
  Line 1518:
Place of purchase:Tuscon
Date:P Feb 2011
Mass (g):76.7
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):0.4-57.8
Ferrosilite (mol%):0.6-32.7
Wollastonite (mol%):0.9-0.2
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):19.6
Type spec location:UWS
Main mass:M. Bandli
Comments:B267; 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)
Mirko Graul      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7328 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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