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Northwest Africa 13451
Basic information Name: Northwest Africa 13451
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13451
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 1120 g
Classification
  history:
Meteoritical Bulletin:  MB 109  (2020)  CV3
Recommended:  CV3    [explanation]

This is 1 of 470 approved meteorites (plus 2 unapproved names) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 1 Nov 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13451 (NWA 13451)

(Northwest Africa)

Purchased: 2019

Classification: Carbonaceous chondrite (CV3)

History: A batch of 16 identical-appearing stones was purchased by Nicholas Gessler in 2019 from a Moroccan dealer.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Well-formed chondrules (mostly granular; apparent diameter 980 ± 570 µm, N = 24) and fine grained CAI are set in a fine grained matrix (~40 vol.%, orange in thin section).

Geochemistry: Olivine (Fa27.8±30.2, range Fa0.3-58.5, N = 6), low-Ca pyroxene (Fs0.8±0.2Wo2.2±1.4, range Fs0.6-0.9Wo1.3-3.9, N = 3), diopside (Fs0.4Wo41.4), plagioclase (An84.8Or0.0). magnetite (Cr2O3 = 0.1 wt.%, 3.1 wt.%, N = 2).

Classification: Carbonaceous chondrite (CV3).

Specimens: 23.1 g plus one polished thin section at UWB; remainder with Mr. N. Gessler.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019
Mass (g):1120
Pieces:16
Class:CV3
Shock stage:S2
Weathering grade:low
Fayalite (mol%):27.8±30.2
Ferrosilite (mol%):0.8±0.2
Wollastonite (mol%):2.2±1.4
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):23.1
Type spec location:UWB
Main mass:N. Gessler
Comments:Work name J; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Gessler: Nicholas Gessler, 2010 Calgary Lane, Los Angeles, CA 90077, United States (private address; updated 7 Jul 2016)
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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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