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Northwest Africa 8316
Basic information Name: Northwest Africa 8316
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8316
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 353 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 6 Jun 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8316 (NWA 8316)

(Northwest Africa)

Purchased: 2014 Jan

Classification: HED achondrite (Diogenite)

History: Purchased by GHupé in January 2014 from a Moroccan dealer at the Tucson Gem and Mineral Show.

Petrography: (A. Irving and S. Kuehner, UWS) Matrix-poor monomict breccia composed predominantly of orthopyroxene with minor (~5 vol.%) olivine clinopyroxene, Al-bearing chromite, troilite and Ni-poor kamacite.

Geochemistry: Orthopyroxene (Fs23.2-25.5Wo2.8-2.5), FeO/MnO = 29-30), olivine (Fa32.9-33.3, FeO/MnO = 50-53), clinopyroxene (Fs10.3Wo44.6, FeO/MnO = 25).

Classification: Diogenite, monomict breccia.

Specimens: 20.1 g including one polished thin section at UWB. The remaining material is held by GHupé.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Tucson
Date:P 2014 Jan
Mass (g):353
Pieces:2
Class:Diogenite
Shock stage:low
Weathering grade:low
Fayalite (mol%):32.9-33.3
Ferrosilite (mol%):23.2-25.5
Wollastonite (mol%):2.8-2.5
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:G. Hupe
Comments:GH-458; 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)
GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address)
Hupe: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (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:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7937 approved meteorites from (Northwest Africa) (plus 1960 unapproved names)

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