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Northwest Africa 8633
Basic information Name: Northwest Africa 8633
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8633
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 207 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 465 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 25 Nov 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8633 (NWA 8633)

(Northwest Africa)

Purchased: 2014 Apr

Classification: HED achondrite (Diogenite)

History: Purchased in Temara, Morocco by Adam Aaronson in April 2014.

Petrography: (A. Irving and S. Kuehner, UWS) Very fresh monomict diogenite breccia composed predominantly of orthopyroxene with accessory Mg-bearing chromite, troilite and kamacite.

Geochemistry: Orthopyroxene (Fs28.4-28.5Wo3.5-4.4, FeO/MnO = 29-30, N = 3).

Classification: Diogenite (monomict breccia).

Specimens: 21 g including one polished thin section at UWB. The remainder is held by Aaronson.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2014 Apr
Mass (g):207
Pieces:1
Class:Diogenite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):28.4-28.5
Wollastonite (mol%):3.5-4.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1727; 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. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7885 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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