Meteoritical Bulletin: Entry for Northwest Africa 14266

MetSoc Home Publications Contacts

Search the Meteoritical Bulletin Database
Last update: 24 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 14266

Basic information

Name: Northwest Africa 14266
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14266
Observed fall: No
Year found: 2019
Country: Mali
Mass: 475 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	L4/5
Recommended:			L4/5 [explanation]

This is 1 of 82 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 6 Oct 2021

Writeup

Writeup from MB 110:

Northwest Africa 14266 (NWA 14266)

Mali

Purchased: 2019 Aug

Classification: Ordinary chondrite (L4/5)

History: Purchased by Mbark Arjdal in August 2019 from a Malian dealer.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Some well-formed chondrules occur within a recrystallized matrix containing sodic plagioclase, altered kamacite, troilite, pentlandite and merrillite.

Geochemistry: Olivine (Fa_25.1±0.1, range Fa_25.0-25.2, N = 5), low-Ca pyroxene (Fs_21.1±0.2Wo_0.7±0.1, range Fs_20.8-21.2Wo_1.3-1.9, N = 5), augite (Fs_7.6±0.2Wo_45.6±0.7, range Fs_7.4-7.8Wo_45.0-46.3, N = 3).

Classification: Ordinary chondrite (L4/5).

Specimens: 36.7 g including one polished thin section at UWB; remainder with Mr. M. Arjdal.

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Mali
Date:	P 2019 Aug
Mass (g):	475
Pieces:	1
Class:	L4/5
Shock stage:	S2
Weathering grade:	W1
Fayalite (mol%):	25.1±0.1
Ferrosilite (mol%):	21.1±0.2
Wollastonite (mol%):	0.7±0.1
Classifier:	A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):	36.7
Type spec location:	UWB
Main mass:	M. Arjdal
Comments:	Work name Arj ZM 659; 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:

Geography:

Mali

Coordinates:

Unknown.

Statistics:
This is 1 of 117 approved meteorites from Mali (plus 2 unapproved names)

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