Meteoritical Bulletin: Entry for Northwest Africa 6863

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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: 76.7 g

Classification
history:

Meteoritical Bulletin:	MB 100	(2012)	CV3
Recommended:			CV3 [explanation]

This is 1 of 619 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

Writeup

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 Fa_0.4-57.8, orthopyroxene Fs_0.6-32.7Wo_0.9-0.2, augite Fs_0.7-1.0Wo_45.5-42.8.

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:
Find references in Google Scholar:

Photos:

Credit	Photos
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 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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