Meteoritical Bulletin: Entry for Northwest Africa 4686

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Northwest Africa 4686

Basic information

Name: Northwest Africa 4686
This is an OFFICIAL meteorite name.
Abbreviation: NWA 4686
Observed fall: No
Year found: 2006
Country: (Northwest Africa)
Mass: 851 g

Classification
history:

Meteoritical Bulletin:	MB 92	(2007)	H4
Recommended:			H4 [explanation]

This is 1 of 6415 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 24 Jul 2007

Data from:
  MB92
  Table 2
  Line 127:

Place of purchase:	Erfoud, Morocco
Date:	May-2006
Mass (g):	851
Pieces:	4
Class:	H4
Shock stage:	S2
Weathering grade:	W2-3
Fayalite (mol%):	17.7
Ferrosilite (mol%):	15.5±1
Classifier:	Pickard, Williams and McKinnon, AMAS
Type spec mass (g):	22
Type spec location:	AMAS
Main mass:	anonymous
Comments:	Brecciated

Institutions
and collections

AMAS: Australian Museum, 6 College Street, Sydney, NSW 2010, Australia (institutional address; updated 18 Oct 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)

Find references in NASA ADS:
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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Jim K
Wojciech Moscinski

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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