MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 18 Sep 2021
Search for: Search type: Search limits: Display: Publication:
Text help
Starts with
Sounds like
Falls  Non-NWAs
What's new
  in the last:
Include past classifications in search
Limit to approved meteorite names
Search text:  
Northwest Africa 7264
Basic information Name: Northwest Africa 7264
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7264
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 201 g
Meteoritical Bulletin:  MB 104  (2015)  LL3
Recommended:  LL3    [explanation]

This is 1 of 371 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 22 Oct 2015
Writeup from MB 104:

Northwest Africa 7264 (NWA 7264)

Northwest Africa

Purchased: 2012 Mar

Classification: Ordinary chondrite (LL3)

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

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, fairly closely packed, relatively large chondrules (apparent diameter 2.0±1.6 mm, some with opaque rims) in a finer grained, reddish-brown matrix.

Geochemistry: Olivine (Fa12.7-38.9; Cr2O3 in ferroan olivines = 0.04-0.08 wt.%, mean 0.06±0.02 wt.%, N =7), orthopyroxene (Fs5.2-11.4Wo0.1-0.9, N = 3), subcalcic augite (Fs7.8Wo38.0).

Classification: Ordinary chondrite (LL3).

Specimens: 20 g including one polished thin section at UWB; the remainder is held by Aaronson.

Data from:
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2012 Mar
Mass (g):201
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):12.7-38.9
Ferrosilite (mol%):5.2-11.4
Wollastonite (mol%):0.1-0.9
Magnetic suscept.:3.80
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1362; submitted by A. Irving
   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)
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
Find references in Google Scholar:

     This is 1 of 7885 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

Direct link to this page