Meteoritical Bulletin: Entry for Northwest Africa 8266

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Northwest Africa 8266

Basic information

Name: Northwest Africa 8266
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8266
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 235 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	Eucrite-mmict
Recommended:			Eucrite-mmict [explanation]

This is 1 of 295 approved meteorites classified as Eucrite-mmict. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 18 May 2014

Writeup

Writeup from MB 103:

Northwest Africa 8266 (NWA 8266)

(Northwest Africa)

Purchased: 2014 Jan

Classification: HED achondrite (Eucrite, monomict)

History: Purchased by F. Kuntz in January 2014 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Clasts of basaltic eucrite and related crystalline debris are set in a dark matrix. Minerals are exsolved pigeonite, calcic plagioclase, silica polymorph, fayalitic olivine, ilmenite and troilite.

Geochemistry: Host orthopyroxene (Fs_59.5-60.8Wo_3.0-2.6, FeO/MnO = 29), clinopyroxene exsolution lamellae (Fs_26.7-26.8Wo_42.7-42.8, FeO/MnO = 27-31), olivine (Fa_77.0-80.1, FeO/MnO = 39).

Classification: Eucrite, monomict breccia.

Specimens: 20.8 g including a polished thin section at UWB. The remainder is held by Kuntz.

Data from:
  MB103
  Table 0
  Line 0:

Place of purchase:	Erfoud
Date:	P 2014 Jan
Mass (g):	235
Pieces:	1
Class:	Eucrite-mmict
Shock stage:	low
Weathering grade:	low
Fayalite (mol%):	77.0-80.1
Ferrosilite (mol%):	59.5-60.8; 26.7-26.8
Wollastonite (mol%):	3.0-2.6; 42.7-42.8
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	20.8
Type spec location:	UWB
Main mass:	F. Kuntz
Comments:	K207; 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. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full

Find references in NASA ADS:
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Photos:

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

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9927 approved meteorites from (Northwest Africa) (plus 1837 unapproved names)

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