Meteoritical Bulletin: Entry for Northwest Africa 6476

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 6476

Basic information

Name: Northwest Africa 6476
This is an OFFICIAL meteorite name.
Abbreviation: NWA 6476
Observed fall: No
Year found: 2010
Country: (Northwest Africa)
Mass: 800 g

Classification
history:

Meteoritical Bulletin:	MB 100	(2012)	L-melt breccia
Recommended:			L-melt breccia [explanation]

This is 1 of 31 approved meteorites classified as L-melt breccia. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 24 Oct 2011

Writeup

Writeup from MB 100:

Northwest Africa 6476 (NWA 6476)

(Northwest Africa)

Purchased: 2010 Feb

Classification: Ordinary chondrite (L, melt breccia)

Petrography: Equilibrated chondrite clasts within dark impact-melted matrix, which contains ragged grains of kamacite and troilite.

Data from:
  MB100
  Table 1
  Line 1389:

Place of purchase:	Bruegg, Switzerland
Date:	P 2010 Feb
Mass (g):	800
Pieces:	2
Class:	L-melt breccia
Shock stage:	S2
Weathering grade:	W0/1
Fayalite (mol%):	25.1-25.3
Ferrosilite (mol%):	20.5-20.7; 9.3-10.1
Wollastonite (mol%):	2.2-3.0; 42.0-40.9
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	24.2
Type spec location:	UWS
Main mass:	M. Jost
Comments:	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)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)

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

Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Sergey Vasiliev

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