Meteoritical Bulletin: Entry for Northwest Africa 4220

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 4220

Basic information

Name: Northwest Africa 4220
This is an OFFICIAL meteorite name.
Abbreviation: NWA 4220
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass: 18.2 kg

Classification
history:

Meteoritical Bulletin:	MB 91	(2007)	H4
Recommended:			H4 [explanation]

This is 1 of 6493 approved meteorites (plus 2 unapproved names) classified as H4. [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 1 Sep 2006

Data from:
  MB91
  Table 2
  Line 233:

Place of purchase:	St. Marie aux Mine, France
Date:	2004
Mass (g):	18,200
Pieces:	1
Class:	H4
Shock stage:	S1
Weathering grade:	W3
Fayalite (mol%):	18
Ferrosilite (mol%):	16.8
Classifier:	F. Brandstätter, NHMV
Type spec mass (g):	167
Type spec location:	NHMV
Main mass:	anonymous

Institutions
and collections

NHMV: Naturhistorisches Museum, Burgring 7, 1010 Wien, Austria, Austria; Website (institutional address; updated 18 Jan 2019)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)

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