Meteoritical Bulletin: Entry for Northwest Africa 8595

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Northwest Africa 8595

Basic information

Name: Northwest Africa 8595
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8595
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 79.4 g

Classification
history:

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

This is 1 of 446 approved meteorites classified as Howardite. [show all]
Search for other: Achondrites, HED achondrites, and Howardites

Comments:

Approved 30 Oct 2014

Writeup

help

Writeup from MB 103:

Northwest Africa 8595 (NWA 8595)

(Northwest Africa)

Purchased: 2014 Jan

Classification: HED achondrite (Howardite)

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

Petrography: (A. Irving and S. Kuehner, UWS) Fragmental breccia composed of diogenite clasts and related debris, plus mineral debris derived from eucritic lithologies and rare basaltic eucrite clasts. Minerals include orthopyroxene, olivine (with several different compositions), exsolved pigeonite, calcic plagioclase, silica polymorph, chromite and troilite. One large (1.5 mm) forsteritic olivine grain was found.

Geochemistry: Diogenitic orthopyroxene (Fs_24.0-25.2Wo_3.0-2.0, FeO/MnO = 28-32, N = 3), orthopyroxene host (Fs_43.0Wo_2.2, FeO/MnO = 30), clinopyroxene exsolution lamella (Fs_16.8Wo_44.7, FeO/MnO = 27), augite (Fs_30.6Wo_40.7, FeO/MnO = 31), ferropigeonite (Fs_78.9Wo_14.1, FeO/MnO = 24), olivine (Fa_73.0-86.6, FeO/MnO = 46-42; Fa_11.3, FeO/MnO = 33).

Classification: Howardite.

Specimens: 16.14 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):	79.4
Pieces:	1
Class:	Howardite
Shock stage:	low
Weathering grade:	low
Fayalite (mol%):	11.3; 73.0; 86.6
Ferrosilite (mol%):	24.0-25.2
Wollastonite (mol%):	3.0-2.0
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	16.14
Type spec location:	PSF
Main mass:	F. Kuntz
Comments:	K217; 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)
Piotr gural100
Russ Opdahl
Solar Anamnesis

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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