Meteoritical Bulletin: Entry for Northwest Africa 13913

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 13913

Basic information

Name: Northwest Africa 13913
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13913
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass: 42 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	CK6
Recommended:			CK6 [explanation]

This is 1 of 83 approved meteorites classified as CK6. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites

Comments:

Approved 25 Apr 2021

Writeup

Writeup from MB 110:

Northwest Africa 13913 (NWA 13913)

(Northwest Africa)

Purchased: 2020 Nov

Classification: Carbonaceous chondrite (CK6)

History: Purchased by Shun-Chung Yang and Juan Chen in November 2020 from a dealer in Tindouf, Algeria.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Largely recrystallized with some vague chondrule-like features. Composed predominantly of olivine and augite with subordinate Cr-magnetite, intermediate plagioclase., low-Ca pyroxene, troilite, pentlandite and Cr-Zn-bearing hercynitic spinel.

Geochemistry: Olivine (Fa_32.6±0.4, range Fa_31.9-32.9, N = 5), pigeonite (Fs_25.4Wo_7.4), augite (Fs_9.0±0.7Wo_46.5±0.5, range Fs_8.5-9.5Wo_46.1-46.8, N = 2), plagioclase (An_64.7Or_0.9), magnetite (Cr₂O₃ = 4.6-4.7 wt.%, N = 3).

Classification: Carbonaceous chondrite (CK6).

Specimens: 8.9 g in the form of a polished endcut at UWB; remainder with Mr. Shun-Chung Yang and Mr. Juan Chen.

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Tindouf
Date:	P 2020 Nov
Mass (g):	42
Pieces:	1
Class:	CK6
Shock stage:	low
Weathering grade:	low
Fayalite (mol%):	32.6±0.4
Ferrosilite (mol%):	25.4; 9.0±0.7
Wollastonite (mol%):	7.4; 46.5±0.5
Classifier:	A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):	8.9
Type spec location:	UWB
Main mass:	S.-C. Yang/J. Chen
Comments:	Work name SCY-19; 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:

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