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Northwest Africa 13244
Basic information Name: Northwest Africa 13244
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13244
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 350 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 536 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 28 Mar 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13244 (NWA 13244)

(Northwest Africa)

Purchased: 2016 Mar

Classification: Carbonaceous chondrite (CV3)

History: Purchased in Khatari, Morocco by Aziz Habibi in March 2016.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Well-formed PO and BO chondrules (apparent diameter 1070±610 µm, N = 24) plus irregularly shaped, very fine-grained CAI and mineral grains (mostly olivine) are set in a fine grained matrix (~30 vol.%, light gray-brown in thin section) containing sparse chlorapatite and stained grains of metal.

Geochemistry: Olivine (Fa27.2±16.6, range Fa0.3-47.5, N = 18), low-Ca pyroxene (Fs3.3±3.7Wo2.2±2.1, range Fs0.9-7.6Wo1.0-4.6, N = 3), augite (Fs1.0±0.6Wo42.8±5.4, range Fs0.7-1.5Wo46.6-39.0, N = 2).

Classification: Carbonaceous chondrite (CV3).

Specimens: 20.5 g including one polished thin section at UWB; remainder with Mr. A. Habibi.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Khatari, Morocco
Date:P 2016 Mar
Mass (g):350
Pieces:1
Class:CV3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):27.2±16.6
Ferrosilite (mol%):3.3±3.7
Wollastonite (mol%):2.2±2.1
Classifier:A. Irving, UWS, and P. Carpenter, WUSTL
Type spec mass (g):20.5
Type spec location:UWB
Main mass:A. Habibi
Comments:Work name AH 728; 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)
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7320 approved meteorites from (Northwest Africa) (plus 1973 unapproved names)

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