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Northwest Africa 14043
Basic information Name: Northwest Africa 14043
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14043
Observed fall: No
Year found: 2020
Country: Northwest Africa
Mass:help 1000 g
Recommended:  L4/5    [explanation]

This is 1 of 80 approved meteorites (plus 1 unapproved name) classified as L4/5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 8 Jun 2021
Writeup from MB 110:

Northwest Africa 14043 (NWA 14043)

Northwest Africa

Purchased: 2020 Nov

Classification: Ordinary chondrite (L4/5)

History: Purchased by Shun-Chung Yang and Juan Chen in November 2020 from a dealer in Tindouf, Algeria.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Some well-formed equilibrated chondrules are accompanied by a relatively coarse grained, recrystallized matrix containing stained kamacite, taenite, troilite, merrillite, chlorapatite, low-Ti chromite and sodic plagioclase.

Geochemistry: Olivine (Fa25.6±0.1, range Fa25.5-25.8, N = 5), low-Ca pyroxene (Fs21.6±0.5Wo1.6±0.3, range Fs21.4-22.3Wo1.3-1.9, N = 4), augite (Fs7.7±0.5Wo45.4±0.6, range Fs7.4-8.3Wo44.7-45.9, N = 3).

Classification: Ordinary chondrite (L4/5).

Specimens: 20.9 g including one polished thin section at UWB; remainder with Mr. S.-C. Yang and Mr. J. Chen.

Data from:
  Table 0
  Line 0:
Place of purchase:Tindouf
Date:P 2020 Nov
Mass (g):1000
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):25.6±0.1
Ferrosilite (mol%):21.6±0.5
Wollastonite (mol%):1.6±0.3
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):20.9
Type spec location:UWB
Main mass:S.-C. Yang/J. Chen
Comments:Work name SCY-20; 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. 110, in preparation (2021)
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     This is 1 of 2 approved meteorites from Northwest Africa

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