Meteoritical Bulletin: Entry for Northwest Africa 8592

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Northwest Africa 8592

Basic information

Name: Northwest Africa 8592
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8592
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 290 g

Classification
history:

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

This is 1 of 63 approved meteorites classified as Diogenite-pm. [show all]
Search for other: Achondrites, Diogenites, and HED achondrites

Comments:

Approved 30 Oct 2014

Writeup

Writeup from MB 103:

Northwest Africa 8592 (NWA 8592)

(Northwest Africa)

Purchased: 2014 Jan

Classification: HED achondrite (Diogenite, polymict)

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

Petrography: (A. Irving and S. Kuehner, UWS) Fragmental breccia composed predominantly of diogenite clasts and related debris, plus ~2 vol.% basaltic eucrite clasts.

Geochemistry: Diogenitic orthopyroxene (Fs_20.6-22.7Wo_1.6-2.3, FeO/MnO =28-30; Fs_33.5Wo_2.5, FeO/MnO = 35), augite (Fs_19.2Wo_42.8, FeO/MnO = 22; Fs_42.1Wo_45.7, FeO/MnO =25), orthopyroxene host (Fs_44.5Wo_3.1, FeO/MnO = 25), clinopyroxene exsolution lamella (FS23.7Wo_39.7, FeO/MNO = 26), olivine (Fa_34.5, FeO/MnO = 53).

Classification: Diogenite (polymict)

Specimens: 21.43 g including one polished thick section at PSF; main mass with Kuntz.

Data from:
  MB103
  Table 0
  Line 0:

Place of purchase:	Rissani
Date:	P 2014 Jan
Mass (g):	290
Pieces:	1
Class:	Diogenite-pm
Shock stage:	low
Weathering grade:	low
Fayalite (mol%):	34.5
Ferrosilite (mol%):	20.6-22.7; 33.5
Wollastonite (mol%):	1.6-2.3; 2.5
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	21.43
Type spec location:	PSF
Main mass:	F. Kuntz
Comments:	K215; submitted by P. Sipiera

Institutions
and collections

PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
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:
Find references in Google Scholar:

Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Predrag Radovic
Ryan Upchurch
Stefano De Fazi
Wojciech Moscinski

Geography:

Coordinates:

Unknown.

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

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