Meteoritical Bulletin: Entry for Northwest Africa 12515

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 12515

Basic information

Name: Northwest Africa 12515
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12515
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass: 2.4 kg

Classification
history:

Meteoritical Bulletin:	MB 108	(2020)	L4
Recommended:			L4 [explanation]

This is 1 of 2062 approved meteorites (plus 5 unapproved names) classified as L4. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 18 Feb 2019

Writeup

Writeup from MB 108:

Northwest Africa 12515 (NWA 12515)

(Northwest Africa)

Purchased: 2018 Aug

Classification: Ordinary chondrite (L4)

History: Purchased by John Higgins and Igor Litovsky in August 2018 from a dealer in Zagora, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, equilibrated chondrules are set in a finer matrix containing altered metal.

Geochemistry: Olivine (Fa_24.6-25.4, N = 3), orthopyroxene (Fs_1.7-20.6Wo_0.6-1.5, N = 3), clinopyroxene (Fs_2.3Wo_38.5; Fs_2.8Wo_46.8; N = 2).

Classification: Ordinary chondrite (L4).

Specimens: 53 g including one polished thin section at UWB; remainder jointly with Mr. J. Higgins and Mr. I. Litovsky.

Data from:
  MB108
  Table 0
  Line 0:

Place of purchase:	Zagora
Date:	P 2018 Aug
Mass (g):	2395
Pieces:	10
Class:	L4
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	24.6-25.4
Ferrosilite (mol%):	1.7-20.6
Wollastonite (mol%):	0.6-1.5
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	53
Type spec location:	UWB
Main mass:	J. Higgins/I. Litovsky
Comments:	Work name JH18-3; 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)
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 Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150

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)
Kenneth Alvarez Castillo

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