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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:help 126.4 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2752 approved meteorites (plus 1 unapproved name) 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
Writeuphelp
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 (Fa31.1-31.4, N = 3), orthopyroxene (Fs25.0-25.1Wo1.7-1.6, N = 3), clinopyroxene (Fs9.0-9.8Wo44.6-43.0).

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:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Mike Markowitz   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7009 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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