Meteoritical Bulletin: Entry for Northwest Africa 8366

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Northwest Africa 8366

Basic information

Name: Northwest Africa 8366
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8366
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 989 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	L3
Recommended:			L3 [explanation]

This is 1 of 848 approved meteorites (plus 2 unapproved names) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 29 Jan 2015

Writeup

Writeup from MB 104:

Northwest Africa 8366 (NWA 8366)

(Northwest Africa)

Purchased: 2014 Apr

Classification: Ordinary chondrite (L3)

History: Purchased by John Higgins in April 2014 from a dealer in Tagounite, Morocco.

Physical characteristics: Two similar stones lacking fusion crust (543 g and 446 g).

Petrography: (A. Irving and S. Kuehner, UWS) Fairly closely-packed, well-formed chondrules exhibiting a wide range in size (0.3-3.2 mm, mean 2.1 mm) within a sparse matrix containing altered metal (altered to varying degree in different stones).

Geochemistry: Olivine, Fa_0.5-43.4; Cr₂O₃ in ferroan olivine 0.06-0.19 wt.%, N = 12, one grain with 0.83 wt.% Cr₂O₃; orthopyroxene, Fs_2.3-23.9Wo_0.5-3.1, N = 3; subcalcic augite, Fs_15.3-15.8Wo_37.7-32.7; augite, Fs_10.8-18.3Wo_40.5-43.8.

Classification: Ordinary chondrite (LL3).

Specimens: 48 g including two polished thin sections at UWB. The remainder is held by Mr. J. Higgins.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Tagounite
Date:	P 2014 Apr
Mass (g):	989
Pieces:	2
Class:	L3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	0.5-43.4
Ferrosilite (mol%):	2.3-23.9
Wollastonite (mol%):	0.5-3.1
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	48
Type spec location:	UWB
Main mass:	J. Higgins
Comments:	JH14-5; 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)

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)
Denis gourgues
John A. Shea
Philippe Geniez

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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