header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 1 Oct 2023
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Northwest Africa 14042
Basic information Name: Northwest Africa 14042
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14042
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 459 g
Classification
  history:
Recommended:  Winonaite    [explanation]

This is 1 of 83 approved meteorites (plus 1 unapproved name) classified as Winonaite.   [show all]
Search for other: Primitive achondrites, Winonaites
Comments: Approved 6 Jul 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14042 (NWA 14042)

(Northwest Africa)

Purchased: 2021 Mar

Classification: Primitive achondrite (Winonaite)

History: Purchased by Rachid Chaoui in March 2021 from a Mauritanian dealer.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Triple grain junction texture. Composed of forsterite, diopside, enstatite and sodic plagioclase together with accessory kamacite, taenite, troilite and chlorapatite.

Geochemistry: Forsterite (Fa4.0-4.3, FeO/MnO = 16-20, N = 4), diopside (Fs1.4-1.8Wo44.9-45.7, FeO/MnO = 9-12, N = 4), enstatite (Fs4.8-4.9Wo1.8-2.0, FeO/MnO = 11-14, N = 4), plagioclase (Ab75.4-76.0An20.8-21.0Or3.7-3.0, N = 2).

Classification: Winonaite.

Specimens: 20.6 g including one polished endcut at UWB; remainder with Mr. R. Chaoui.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P 2021 Mar
Mass (g):459
Pieces:2
Class:Winonaite
Shock stage:low
Weathering grade:low
Fayalite (mol%):4.0-4.3
Ferrosilite (mol%):4.8-4.9; 1.4-1.8
Wollastonite (mol%):1.8-2.0; 44.9-45.7
Classifier:A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):20.6
Type spec location:UWB
Main mass:R. Chaoui
Comments:Work name RC145.2; 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9368 approved meteorites from (Northwest Africa) (plus 1875 unapproved names)

Direct link to this page