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Northwest Africa 4770
Basic information Name: Northwest Africa 4770
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4770
Observed fall: No
Year found: 2007
Country: Morocco
Mass:help 88 g
Classification
  history:
Meteoritical Bulletin:  MB 95  (2009)  CK4
Recommended:  CK4    [explanation]

This is 1 of 105 approved meteorites classified as CK4.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Comments: Approved 12 Feb 2009
Data from:
  MB95
  Table 2
  Line 50:
Place of purchase:Talsint, Morocco
Date:May-07
Mass (g):88.01
Pieces:1
Class:CK4
Shock stage:S1
Weathering grade:W3
Fayalite (mol%):31±0.3
Ferrosilite (mol%):26.8±0.3
Magnetic suscept.:4.56
Classifier:M. Bourot-Denise, MNHNP
Type spec mass (g):20.1
Type spec location:MNHNP
Main mass:PThomas
Comments:Paired with NWA 4422; magnetite mean wt% Cr2O3= 4.8, MgO- 0.22
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. 95, MAPS 44, 429-462 (2009)
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
bphd   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1405 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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