MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 1 Oct 2023
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 13105
Basic information Name: Northwest Africa 13105
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13105
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 2 kg
Recommended:  L7    [explanation]

This is 1 of 31 approved meteorites classified as L7.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 9 Feb 2020
Writeup from MB 109:

Northwest Africa 13105 (NWA 13105)

(Northwest Africa)

Purchased: 2018 Mar

Classification: Ordinary chondrite (L7)

History: Purchased in Agadir, Morocco, by Aziz Habibi in March 2018.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Some portions of this specimen exhibit an equigranular, triple grain junction texture whereas other portions have poikiloblastc texture (consisting of olivine chadacrysts within orthopyroxene oikocrysts). No chondrules were observed.

Geochemistry: Olivine (Fa22.9±0.2 (range Fa22.7-23.1, N = 4), low-Ca pyroxene (Fs19.5±0.1Wo3.7±0.7 (range Fs19.4-19.6Wo2.6-4.3, N = 4), high-Ca pyroxene (Fs9.1±0.9Wo42.0±2.2 (range Fs8.4-9.7Wo43.5-40.4, N = 2).

Classification: Ordinary chondrite (L7).

Specimens: 28.2 g including one polished thin section at UWB; remainder with Mr. A. Habibi.

Data from:
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2018 Mar
Mass (g):2000
Shock stage:low
Weathering grade:W1
Fayalite (mol%):22.9±0.2
Ferrosilite (mol%):19.5±0.1
Wollastonite (mol%):3.7±0.7
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):28.2
Type spec location:UWB
Main mass:A. Habibi
Comments:Work name AH 729; 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)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:

     This is 1 of 9368 approved meteorites from (Northwest Africa) (plus 1875 unapproved names)

Direct link to this page