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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 462 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)
Dirk Hohmann   
Gregor H.   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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