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Northwest Africa 471
Basic information Name: Northwest Africa 471
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 471
Observed fall: No
Year found: 1999
Country: Morocco
Mass:help 868 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  L5
Meteoritical Bulletin:  MB 86  (2002)  L5
MetBase:  v. 7.1  (2006)  L5
Recommended:  L5    [explanation]

This is 1 of 8581 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Data from:
  MB86
  Table 6
  Line 19:
Origin or pseudonym:Er Rachidia 002
Date:1999?
Latitude:31°58.5'N
Longitude:4°10.0'W
Mass (g):868
Pieces:1
Class:L5
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):24.7
Ferrosilite (mol%):22.0
Classifier:S. V. Afanasiev (Vernad)
Type spec mass (g):170
Type spec location:Vernad
Main mass:S. V. Afanasiev
Institutions
   and collections
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016)
Catalogs:
References: Published in Meteoritical Bulletin, no. 86, MAPS 37, A157-A184 (2002)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Don Edwards   
Geography:

Morocco
Coordinates:
     Catalogue of Meteorites:   (31° 59'N, 4° 10'W)
     Recommended::   (31° 58' 30"N, 4° 10' 0"W)
Note: the NHM and MetBase coordinates are 0.9 km apart

Statistics:
     This is 1 of 62 approved meteorites from Meknès-Tafilalet, Morocco
     This is 1 of 1967 approved meteorites from Morocco (plus 37 unapproved names) (plus 1 impact crater)
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Synonymshelp: Er Rachidia 002 (From MetBase)

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