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Northwest Africa 7269
Basic information Name: Northwest Africa 7269
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7269
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 787 g
Classification
  history:
Meteoritical Bulletin:  MB 101  (2012)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 238 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 18 Dec 2012
Writeuphelp
Writeup from MB 101:

Northwest Africa 7269 (NWA 7269)

(Northwest Africa)

Purchased: 2012 Feb

Classification: HED achondrite (Eucrite, monomict)

History: Purchased by Greg Hupé in February 2012 from a Moroccan dealer at the Tuscon Gem and Mineral Show.

Petrography: (A. Irving and S. Kuehner, UWS) Very fresh breccia composed of large basaltic eucrite clasts with some thin cross-cutting shock veinlets. Constituent minerals are exsolved pigeonite, calcic plagioclase, silica polymorph, ilmenite and troilite.

Geochemistry: Orthopyroxene host (Fs60.3-60.8Wo3.1-2.5, FeO/MnO = 31), clinopyroxene exsolution lamellae (Fs26.7-26.8Wo43.1-43.4, FeO/MnO = 29-30).

Classification: Eucrite, monomict

Specimens: 20 g of type material and one polished thin section are on deposit at UWB. The remaining material is held by  GHupé.

Data from:
  MB101
  Table 0
  Line 0:
Place of purchase:Tucson
Date:P 2012 Feb
Mass (g):787
Pieces:1
Class:Eucrite-mmict
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):60.3-60.8; 26.7-26.8
Wollastonite (mol%):3.1-2.5; 43.1-43.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Type spec location:UWB
Main mass:G. Hupe
Comments:GH-426; 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. 101, MAPS 50, 1661, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7385 approved meteorites from (Northwest Africa) (plus 1955 unapproved names)

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