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Northwest Africa 7013
Basic information Name: Northwest Africa 7013
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7013
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 102 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 272 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 23 Apr 2012
Writeuphelp
Writeup from MB 100:

Northwest Africa 7013 (NWA 7013)

(Northwest Africa)

Purchased: Sept 2011

Classification: HED achondrite (Eucrite, monomict)

Petrography: Fresh, probably monomict breccia containing some basaltic eucrite clasts plus related crystal debris in a sparse, dark matrix. Minerals are exsolved pigeonite, calcic plagioclase, silica, chromite, ilmenite and troilite.

Geochemistry: Pigeonite consists of host orthopyroxene (Fs60.1-62.6Wo1.7-2.2, Fe/Mn=29), with exsolution lamellae of clinopyroxene (Fs25.5-27.3Wo43.6-43.5, Fe/Mn=30).

Data from:
  MB100
  Table 1
  Line 1574:
Place of purchase:Denver
Date:P Sept 2011
Mass (g):102
Pieces:1
Class:Eucrite-mmict
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):60.1-62.6; 25.5-27.3
Wollastonite (mol%):1.7-2.2; 43.6-43.5
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Type spec location:UWS
Main mass:DPitt
Comments: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)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9111 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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