Meteoritical Bulletin: Entry for Northwest Africa 1776

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Northwest Africa 1776

Basic information

Name: Northwest Africa 1776
This is an OFFICIAL meteorite name.
Abbreviation: NWA 1776
Observed fall: No
Year found: 2002
Country: (Northwest Africa)
Mass: 80 g

Classification
history:

Meteoritical Bulletin:	MB 87	(2003)	CR2
MetBase:	v. 7.1	(2006)	CR2
Recommended:			CR2 [explanation]

This is 1 of 185 approved meteorites classified as CR2. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), and CR chondrites

Data from:
  MB87
  Table 8
  Line 268:

Origin or pseudonym:	Zagora, Morocco
Place of purchase:	Erfoud
Date:	2002
Mass (g):	80
Pieces:	several
Class:	CR2
Shock stage:	S1
Weathering grade:	W2/3
Fayalite (mol%):	1.1-33.7
Ferrosilite (mol%):	1.9-35.6
Classifier:	M. Bourot-Denise, MNHNP
Type spec mass (g):	16
Main mass:	PThomas
Comments:	metal-rich chondrules, small CAIs in sulfide-rich matrix; paired with NWA 801 Plag: An85.2

Institutions
and collections

MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address)
PThomas: Philippe Thomas, Meteoritica, La Chave, 07690 St André en Vivarais, France (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Don Edwards
Shinishi Kato

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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Revision
history:

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