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Northwest Africa 13924
Basic information Name: Northwest Africa 13924
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13924
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 2.82 kg
Classification
  history:
Recommended:  L5    [explanation]

This is 1 of 7220 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 25 Apr 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13924 (NWA 13924)

(Northwest Africa)

Purchased: 2005

Classification: Ordinary chondrite (L5)

History: Purchased by an anonymous collector from a dealer at the Munich Show in 2005, subsequently donated to PSF and in January 2021 purchased by Kevin Sevey.

Petrography: (A. Irving, UWS and J. Boesenberg, Brown U.) Largely recrystallized with sparse chondrules. Accessory phases are altered kamacite, troilite, sodic plagioclase, chromite and chlorapatite.

Geochemistry: Olivine (Fa25.6±0.2, range Fa25.4-25.7, N = 4), low-Ca pyroxene (Fs21.6±0.1Wo1.4±0.2, range Fs21.5-21.8Wo1.1-1.6, N = 5).

Classification: Ordinary chondrite (L5).

Specimens: 83.37 g including one polished thin section at PSF; remainder with Mr. K. Sevey.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2005
Mass (g):2820
Pieces:1
Class:L5
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):25.6±0.2
Ferrosilite (mol%):21.6±0.1
Wollastonite (mol%):1.4±0.2
Classifier:A. Irving, UWS, and J. Boesenberg, Brown U.
Type spec mass (g):83.37
Type spec location:PSF
Main mass:K. Sevey
Comments:Work name KS-2; submitted by A. Irving
Institutions
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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