Meteoritical Bulletin: Entry for Northwest Africa 8367

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Northwest Africa 8367

Basic information

Name: Northwest Africa 8367
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8367
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass: 109 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	Diogenite
Recommended:			Diogenite [explanation]

This is 1 of 522 approved meteorites classified as Diogenite. [show all]
Search for other: Achondrites, Diogenites, and HED achondrites

Comments:

Approved 6 Jun 2014

Writeup

Writeup from MB 103:

Northwest Africa 8367 (NWA 8367)

(Northwest Africa)

Purchased: 2013 Dec

Classification: HED achondrite (Diogenite)

History: Purchased by Gary Fujihara from a Moroccan dealer in December 2013.

Petrography: (A. Irving and S. Kuehner, UWS) Unbrecciated but moderately shocked specimen composed mainly of orthopyroxene (containing minor blebby exsolved clinopyroxene) with ~5 vol.% calcic plagioclase (polycrystalline and partially converted to maskelynite), Ti-poor chromite, apatite and troilite.

Geochemistry: Orthopyroxene (Fs_33.6-33.7Wo_2.4-2.3, FeO/MnO = 31-34), clinopyroxene (Fs_14.0-14.3Wo_43.1-43.2, FeO/MnO = 24-25).

Classification: Diogenite, feldspathic, unbrecciated.

Specimens: 20.7 g including one polished thin section at UWB. The remaining material is held by Mr. G. Fujihara.

Data from:
  MB103
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2013 Dec
Mass (g):	109
Pieces:	4
Class:	Diogenite
Shock stage:	moderate
Weathering grade:	low
Ferrosilite (mol%):	33.6-33.7; 14.0-14.3
Wollastonite (mol%):	2.4-2.3; 43.1-43.2
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	20.7
Type spec location:	UWB
Main mass:	G. Fujihara
Comments:	GF14-1; 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. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full

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Geography:

Coordinates:

Unknown.

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

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Revision
history:

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