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Northwest Africa 8020
Basic information Name: Northwest Africa 8020
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8020
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 81 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 14 Nov 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 8020 (NWA 8020)

(Northwest Africa)

Purchased: 2013 Aug

Classification: HED achondrite (Eucrite)

History: Purchased by Adam Aaronson in Temara, Morocco, in August 2013.

Petrography: (A. Irving and S. Kuehner, UWS) Monomict breccia composed of eucrite clasts with subophitic texture. Minerals are exsolved pigeonite, calcic plagioclase, silica, ilmenite, Ti-chromite, troilite and minor barite.

Geochemistry: Host orthopyroxene (Fs62.1-62.2Wo2.7-2.6; FeO/MnO = 29), clinopyroxene exsolution lamellae (Fs27.4-27.8Wo44.5-43.6; FeO/MnO = 27-31), plagioclase (An86.2-88.9Or0.3-0.2).

Classification: Eucrite (basaltic, monomict).

Specimens: 17 g and one polished thin section are at UWB. The remainder is held by Aaronson.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2013 Aug
Mass (g):81
Pieces:1
Class:Eucrite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):62.1-62.2; 27.4-27.8
Wollastonite (mol%):2.7-2.6; 44.5-43.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):17
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1600; 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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