Meteoritical Bulletin: Entry for Northwest Africa 13100

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 13100

Basic information

Name: Northwest Africa 13100
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13100
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass: 440 g

Classification
history:

Meteoritical Bulletin:	MB 109	(2020)	LL6
Recommended:			LL6 [explanation]

This is 1 of 2930 approved meteorites (plus 2 unapproved names) classified as LL6. [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 10 Jan 2020

Writeup

Writeup from MB 109:

Northwest Africa 13100 (NWA 13100)

(Northwest Africa)

Purchased: 2019

Classification: Ordinary chondrite (LL6)

History: Purchased in 2019 by Luc Labenne from a dealer in Erfoud, Morocco.

Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of fairly closely packed angular clasts, which are extensively recrystallized but contain rare relict chondrules and some altered metal.

Geochemistry: Olivine (Fa_30.3±0.5(range Fa_29.9-31.2, N = 5), low-Ca pyroxene (Fs_26.6±0.3Wo_2.3±0.4(range Fs_25.4-26.0Wo_1.9-2.9, N = 5), high-Ca pyroxene (Fs_11.4±1.0Wo_42.2±1.4(range Fs_10.3-11.5Wo_43.6-40.9, N = 3).

Classification: Ordinary chondrite (LL6 breccia).

Specimens: 22.3 g including one polished thin section at UWB; remainder with Mr. L. Labenne.

Data from:
  MB109
  Table 0
  Line 0:

Place of purchase:	Erfoud
Date:	P 2019
Mass (g):	440
Pieces:	1
Class:	LL6
Shock stage:	S2
Weathering grade:	W1
Fayalite (mol%):	30.3±0.5
Ferrosilite (mol%):	25.6±0.3
Wollastonite (mol%):	2.3±0.4
Classifier:	A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):	22.3
Type spec location:	UWB
Main mass:	L. Labenne
Comments:	Work name LAB 100919; 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)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 109, in preparation (2020)

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