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Northwest Africa 14374
Basic information Name: Northwest Africa 14374
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14374
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 423 g
Recommended:  CK4    [explanation]

This is 1 of 117 approved meteorites classified as CK4.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 20 Dec 2021
Writeup from MB 110:

Northwest Africa 14374 (NWA 14374)

(Northwest Africa)

Purchased: 2019 Mar

Classification: Carbonaceous chondrite (CK4)

History: Purchased by Ziyao Wang in March 2019 from a dealer in Agadir, Morocco.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Separated well-formed, equilibrated Cr-magnetite-bearing chondrules are set in a fine grained matrix containing slightly stained Cr-magnetite and pentlandite.

Geochemistry: Olivine (Fa29.5±0.1, range Fa29.3-29.6, N = 6), low-Ca pyroxene (Fs26.6±0.8Wo1.3±1.5, range Fs25.5-27.6Wo3.9-0.6, N = 5), augite Fs9.4±1.3Wo46.1±0.8, range Fs8.4-10.3Wo46.6-45.5, N = 2), magnetite (Cr2O3 3.4-3.6 wt.%, N = 2).

Classification: Carbonaceous chondrite (CK4/5).

Specimens: 22 g including one polished thin section at UWB; remainder with WangZ.

Data from:
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2019 Mar
Mass (g):423
Shock stage:S2
Weathering grade:low
Fayalite (mol%):29.5±0.1
Ferrosilite (mol%):26.6±0.8
Wollastonite (mol%):1.3±1.5
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):22
Type spec location:UWB
Main mass:WangZ
Comments:Work name WZY-44; 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)
WangZ: Ziyao Wang, Hebei GEO University North Campus, Huai An dong road 127, Shijiazhuang, Hebei Province , China (private address; updated 25 Jun 2021)
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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     This is 1 of 8420 approved meteorites from (Northwest Africa) (plus 1900 unapproved names)

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