Meteoritical Bulletin: Entry for Northwest Africa 14042

MetSoc Home Publications Contacts

Search the Meteoritical Bulletin Database
Last update: 15 Apr 2024
Search for:	Search type:	Search limits:	Display:	Publication:
Names Text Places Classes Years	Contains Starts with Exact Sounds like	NonAntarctic Falls Non-NWAs Has strewnfield		What's new in the last:
Include past classifications in search		Has photo	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: 459 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	Winonaite
Recommended:			Winonaite [explanation]

This is 1 of 87 approved meteorites classified as Winonaite. [show all]
Search for other: Primitive achondrites, Winonaites

Comments:

Approved 6 Jul 2021

Writeup

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 (Fa_4.0-4.3, FeO/MnO = 16-20, N = 4), diopside (Fs_1.4-1.8Wo_44.9-45.7, FeO/MnO = 9-12, N = 4), enstatite (Fs_4.8-4.9Wo_1.8-2.0, FeO/MnO = 11-14, N = 4), plagioclase (Ab_75.4-76.0An_20.8-21.0Or_3.7-3.0, 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)

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:

Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
chen wang
Cong Wang
Guchen Chen

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Crosslinks:

This lists all records that are linked to this record and to each other.

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.

Direct link to this page