Meteoritical Bulletin: Entry for Northwest Africa 8262

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Northwest Africa 8262

Basic information

Name: Northwest Africa 8262
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8262
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 1993 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	L-melt breccia
Recommended:			L-melt breccia [explanation]

This is 1 of 31 approved meteorites classified as L-melt breccia. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 22 Feb 2015

Writeup

Writeup from MB 104:

Northwest Africa 8262 (NWA 8262)

(Northwest Africa)

Purchased: 2014 Jan

Classification: Ordinary chondrite (L, melt breccia)

History: Purchased by Fabien Kuntz in January 2014 from a dealer in Tagounite, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Sparse chondrule-bearing L5 clasts in a predominant fine-grained matrix containing rounded metal and troilite blebs.

Geochemistry: Olivine (Fa_24.1-24.8, N = 3), orthopyroxene (Fs_20.4-20.5Wo_1.6-1.3, N = 3), clinopyroxene (Fs_6.9-7.8Wo_45.5-44.8).

Classification: Ordinary chondrite (L melt breccia).

Specimens: 20.7 g including one polished thick section at UWB. The remainder is held by Kuntz.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Tagounite
Date:	P 2014 Jan
Mass (g):	1993
Pieces:	1
Class:	L-melt breccia
Shock stage:	S6
Weathering grade:	W0
Fayalite (mol%):	24.1-24.8
Ferrosilite (mol%):	20.4-20.5
Wollastonite (mol%):	1.6-1.3
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	20.7
Type spec location:	UWB
Main mass:	F. Kuntz
Comments:	K203; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Kuntz: Fabien Kuntz, France; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Piotr gural100

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9921 approved meteorites from (Northwest Africa) (plus 1838 unapproved names)

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