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Northwest Africa 10265
Basic information Name: Northwest Africa 10265
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10265
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 3.36 kg
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Lodranite
Recommended:  Lodranite    [explanation]

This is 1 of 93 approved meteorites classified as Lodranite.   [show all]
Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites
Comments: Approved 3 Oct 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10265 (NWA 10265)

(Northwest Africa)

Purchased: 2015

Classification: Primitive achondrite (Lodranite)

History: Seven identical stones were purchased by Adam Aaronson in Temara, Morocco over the period May to August 2015.

Physical characteristics: No fusion crust is evident. The interior of each stone consists of large grains of distinctly green pyroxene and yellow-brown olivine with subordinate stained metal.

Petrography: (A. Irving and S. Kuehner, UWS) Coarse grained (up to 6.5 mm) protogranular aggregate of predominantly clinopyroxene (finely exsolved) and olivine with accessory chromite (red-brown in thin section), Ni-poor kamacite and troilite.

Geochemistry: Olivine (Fa11.0-11.2, FeO/MnO = 33-36, N = 4), clinopyroxene host (Fs4.1-4.6Wo42.7-44.0, FeO/MnO = 12, Cr2O3 = 1.1-1.3 wt.%, N = 4), orthopyroxene exsolution lamellae (Fs9.7-10.6Wo0.9-2.3, FeO/MnO = 18-24, N = 4).

Classification: Lodranite (wehrlitic).

Specimens: 20.1 g including one polished thin section at UWB; main masses with Aaronson.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2015
Mass (g):3360
Pieces:7
Class:Lodranite
Shock stage:low
Weathering grade:low
Fayalite (mol%):11.0-11.2
Ferrosilite (mol%):9.7-10.6; 4.1-4.6
Wollastonite (mol%):0.9-2.3; 42.7-44.0
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1828; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Alan Mazur      
Volker Heinrich   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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