Meteoritical Bulletin: Entry for Northwest Africa 14584

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 14584

Basic information

Name: Northwest Africa 14584
This is an OFFICIAL meteorite name.
Abbreviation: NWA 14584
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass: 39 g

Classification
history:

Meteoritical Bulletin:	MB 111	(2023)	Acapulcoite
Recommended:			Acapulcoite [explanation]

This is 1 of 93 approved meteorites classified as Acapulcoite. [show all]
Search for other: Acapulcoite-lodranite family, Acapulcoites, and Primitive achondrites

Comments:

Approved 19 Mar 2022

Writeup

Writeup from MB 111:

Northwest Africa 14584 (NWA 14584)

(Northwest Africa)

Purchased: 2021 Jun

Classification: Primitive achondrite (Acapulcoite)

History: Purchased by Shun-Chung Yang and Juan Chen in June 2021 from a dealer in Tindouf, Algeria.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Triple grain junction texture, mean grainsize 280 µm. Composed predominantly of olivine and orthopyroxene with subordinate diopside, sodic plagioclase, kamacite, troilite and low-Ti chromite.

Geochemistry: Olivine (Fa_12.5-12.9, FeO/MnO = 23-24, N = 3), low-Ca pyroxene (Fs_12.6-12.7Wo_1.8-2.9, FeO/MnO = 16, N = 3), diopside (Fs_5.0-5.5Wo_44.5-43.5, FeO/MnO = 10-11, N = 3), plagioclase (Ab_76.7An_20.8Or_2.6).

Classification: Acapulcoite.

Specimens: 8.66 g in the form of a polished endcut at UWB; remainder with Mr. S.-C. Yang and Mr. J. Chen.

Data from:
  MB111
  Table 0
  Line 0:

Place of purchase:	Tindouf
Date:	P 2021 Jun
Mass (g):	39
Pieces:	1
Class:	Acapulcoite
Shock stage:	low
Weathering grade:	low
Fayalite (mol%):	12.5-12.9
Ferrosilite (mol%):	12.6-12.7; 5.0-5.5
Wollastonite (mol%):	1.8-2.9; 44.5-43.5
Classifier:	A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):	8.60
Type spec location:	UWB
Main mass:	S.-C. Yang and J. Chen
Comments:	Work name SCY-37; 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. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?

Find references in NASA ADS:
Find references in Google Scholar:

Geography:

Coordinates:

Unknown.

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