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Northwest Africa 4699
Basic information Name: Northwest Africa 4699
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4699
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 815 g
Classification
  history:
Recommended:  LL3    [explanation]

This is 1 of 431 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 12 Feb 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 4699 (NWA 4699)

(Northwest Africa)

Purchased: 2007

Classification: Ordinary chondrite (LL3)

History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco.

Physical characteristics: Grayish rock with some fusion crust.

Petrography: The meteorite shows a fresh grayish interior and displays a perfect chondritic texture with sharply defined, often flattened, and well packed chondrules (apparent mean diameter about 0.9 mm). The fine-grained matrix contains sulfides and rare FeNi metal.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2007
Mass (g):815
Pieces:1
Class:LL3
Shock stage:S3
Weathering grade:W1
Fayalite (mol%):13.1±10.6 (0.5-40.1, n=19)
Ferrosilite (mol%):10.6±8.0 (2.4-25.6, n=15)
Wollastonite (mol%):0.6±0.6 (0.2-2.4, n=15)
Magnetic suscept.:4.31
Classifier:A. Greshake, MNB
Type spec mass (g):30.5
Type spec location:MNB
Main mass:Carsten Giessler
Comments: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. 111, in preparation (2022)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Gi-po Meteorites   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
aranemac Photo added 20 Oct 2022
Dirk Hohmann   
Gerald Armstrong Photo added 20 Oct 2022
Gregor H.   
Mirko Graul Photo added 20 Oct 2022
Photo added 20 Oct 2022
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8745 approved meteorites from (Northwest Africa) (plus 1880 unapproved names)

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