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Northwest Africa 7945
Basic information Name: Northwest Africa 7945
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7945
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 1800 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Lodranite
Recommended:  Lodranite    [explanation]

This is 1 of 89 approved meteorites classified as Lodranite.   [show all]
Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites
Comments: Approved 14 Nov 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7945 (NWA 7945)

(Northwest Africa)

Purchased: 2013 Mar

Classification: Primitive achondrite (Lodranite)

History: Purchased in Temara, Morocco, by Adam Aaronson in December 2012.

Petrography: (A. Irving and S. Kuehner, UWS) Medium grained (0.4-1.0 mm, mean 0.7 mm) protogranular aggregate of olivine, clinopyroxene, orthopyroxene, intermediate plagioclase, Cr-rich chromite, chlorapatite, altered kamacite, and troilite.

Geochemistry: Olivine (Fa11.7-12.2; FeO/MnO = 22-23), orthopyroxene (Fs11.3-11.4Wo2.3-2.6; FeO/MnO = 14-15), clinopyroxene (Fs4.8-5.0Wo43.6-44.2; FeO/MnO = 9).

Classification: Lodranite.

Specimens: 20.1 g of material and one polished thin section are at UWB. The remaining material is held by Aaronson.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2013 Mar
Mass (g):1800
Pieces:1
Class:Lodranite
Shock stage:low
Weathering grade:low
Fayalite (mol%):11.7-12.2
Ferrosilite (mol%):11.3-11.4
Wollastonite (mol%):2.3-2.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1539; 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 8580 approved meteorites from (Northwest Africa) (plus 1884 unapproved names)

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