Meteoritical Bulletin: Entry for Northwest Africa 8590

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Northwest Africa 8590

Basic information

Name: Northwest Africa 8590
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8590
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 126.4 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	LL6
Recommended:			LL6 [explanation]

This is 1 of 2930 approved meteorites (plus 2 unapproved names) classified as LL6. [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 17 Oct 2014

Writeup

Writeup from MB 103:

Northwest Africa 8590 (NWA 8590)

(Northwest Africa)

Purchased: 2014 Jan

Classification: Ordinary chondrite (LL6)

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

Petrography: (A. Irving and S. Kuehner, UWS) Mostly recrystallized breccia with sparse large (up to 2 mm) chondrule remnants and some cross-cutting shock veins.

Geochemistry: Olivine (Fa_31.1-31.4, N = 3), orthopyroxene (Fs_25.0-25.1Wo_1.7-1.6, N = 3), clinopyroxene (Fs_9.0-9.8Wo_44.6-43.0).

Classification: Ordinary chondrite (LL6).

Specimens: 25.71 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):	126.4
Pieces:	1
Class:	LL6
Shock stage:	S2
Weathering grade:	W0/1
Fayalite (mol%):	31.1-31.4
Ferrosilite (mol%):	25.0-25.1
Wollastonite (mol%):	1.7-1.6
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	25.71
Type spec location:	PSF
Main mass:	F. Kuntz
Comments:	K213; 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

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Mike Markowitz
Wojciech Moscinski

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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