Meteoritical Bulletin: Entry for Northwest Africa 047

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 047

Basic information

Name: Northwest Africa 047
This is an OFFICIAL meteorite name.
Abbreviation: NWA 047
Observed fall: No
Year found: 2000
Country: (Northwest Africa)
Mass: 5.2 kg

Classification
history:

NHM Catalogue:	5th Edition	(2000)	Eucrite-mmict
Meteoritical Bulletin:	MB 85	(2001)	Eucrite-mmict
MetBase:	v. 7.1	(2006)	Eucrite
Recommended:			Eucrite [explanation]

This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Writeup

Writeup from MB 85:

Northwest Africa 047

Northwest Africa

Purchased 2000 April

Achondrite (monomict eucrite)

A 5200 g stone was purchased in the town of Erfoud. Mineralogy and classification (J. Barrat, UAng; P. Gillet, ENSL): a breccia containing numerous clasts of subophitic basalt in a gray, mediumgrained, recrystallized matrix; contains plagioclase (An_85–88), pigeonite (Fs_60.0Wo_5.6, n = 13) with exolved clinopyroxene (Fs₃₀Wo₄₂, n = 8), tridymite (determined by Raman spectrometry), ilmenite, and chromite; phases identical in composition in matrix and clasts. Specimens: 53 g plus polished section, ENSL; main mass, Carion.

Data from:
  MB85
  Table 4
  Line 15:

Place of purchase:	Erfoud
Mass (g):	5200
Pieces:	1
Class:	Eucrite

Institutions
and collections

ENSL: Ecole Normale Supérieure de Lyon, Laboratoire de Sciences de la Terre, 46 allée d'Italie 69364 Lyon Cedex, France (institutional address; updated 27 Feb 2011)
Carion: Alain Carion, 6 rue Jean du Bellay, 75004 Paris, France; Website (private address)
UAng: Université d'Angers, Faculté des Sciences, 2 bd Lavoisier, 49045 Angers Cedex, France (institutional address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)

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

Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Alain Carion
Don Edwards
Mark Bostick
Matteo Chinellato
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Gerald Armstrong
John Lutzon
MAASTONE
Michael S. Scherman
xeqtr

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