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Northwest Africa 7700
Basic information Name: Northwest Africa 7700
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7700
Observed fall: No
Year found: 2010
Country: Western Sahara
Mass:help 64 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  L3
Recommended:  L3    [explanation]

This is 1 of 729 approved meteorites (plus 1 unapproved name) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 11 Dec 2013
Data from:
  MB102
  Table 0
  Line 0:
State/Prov/County:Saguia el Hamra
Place of purchase:Louj al Ghardeg, Morocco
Date:P 22 Sep 2010
Latitude:27°8'49.10''N
Longitude:12°3'49.20''W
Mass (g):64
Pieces:1
Class:L3
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):22.9±10.7 (0.9-29.6, n=17)
Ferrosilite (mol%):19.2±8.4 (2-20-7, n=22)
Classifier:A. Greshake, MNB
Type spec mass (g):17.2
Type spec location:MNB
Main mass:Svend Buhl
Finder:S. Larabas
Comments:Mean chondrule diameter is about 0.7 mm.; submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography:

Western Sahara
Coordinates:
     Recommended::   (27° 8' 49"N, 12° 3' 49"W)

Statistics:
     This is 1 of 97 approved meteorites from Saguia el Hamra, Western Sahara
     This is 1 of 239 approved meteorites from Western Sahara (plus 19 unapproved names)
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