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Northwest Africa 1665
Basic information Name: Northwest Africa 1665
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1665
Observed fall: No
Year found: 2002
Country: Morocco
Mass:help 1185 g
Meteoritical Bulletin:  MB 89  (2005)  CK3-an
MetBase:  v. 7.1  (2006)  CK3-an
Recommended:  CK3-an    [explanation]

This is 1 of 3 approved meteorites classified as CK3-an.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites
Writeup from MB 89:

Northwest Africa 1665

Northwest Africa

Found 2002

Carbonaceous chondrite (CK3 anomalous)

A single stone of 1185 g covered by fusion crust was found in 2002 by an anonymous finder in the Occidental Saharan desert. Classification and mineralogy (A. Greshake and M. Kurz): it is a type 3 carbonaceous chondrite with chondrules, irregular shaped olivine-rich objects, and mineral fragments set into a fine-grained matrix of Fe-rich olivine, Ca-pyroxene, troilite, and FeNi-metal; chondrules have a mean diameter of 130 µm and porphyritic olivine and pyroxene chondrules clearly dominate over radiating or cryptocrystalline types; matrix abundance is about 50 vol%; olivine, Fa25.7 (range Fa0.7-37.6); pyroxene, Fs12 (range Fs2.5-48.3); oxygen isotopic compositions (R. Clayton and T. Mayeda, UChi): δ18O = -1.03‰, δ17O = -4.95‰ and (I. Franchi and R. C. Greenwood, OU): δ18O = -1.88‰, δ17O = -5.43‰, Δ17O = -4.45‰ are clear of the CO3 chondrite field and possibly located on an extension of the CK3 range; shock stage, S1; weathering grade, W2. Specimens: Main mass with anonymous finder; type specimen 22 g plus one polished thin section MNB.

Data from:
  Table 7
  Line 19:
Origin or pseudonym:Morocco
Mass (g):1185
Class:CK3 anomalous
Classifier:A. Greshake, MNB and M. Kurz
Type spec mass (g):22
Plots: O isotopes:  
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
OU: Planetary and Space Sciences Department of Physical Sciences The Open University Walton Hall Milton Keynes MK7 6AA United Kingdom, United Kingdom (institutional address; updated 8 Dec 2011)
UChi: University of Chicago, Chicago, IL 60637, United States (institutional address; updated 28 Feb 2011)
Kurz: M. Kurz, Schillerstrasse 7, D-34626 Neukirchen, Germany (private address)
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Photos from the Encyclopedia of Meteorites:
Don Edwards   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Corey Kuo Photo added 20 Oct 2022
Photo added 20 Oct 2022


     This is 1 of 1904 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater)

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