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Northwest Africa 5406
Basic information Name: Northwest Africa 5406
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5406
Observed fall: No
Year found: 2008
Country: Morocco
Mass:help 281 g
Meteoritical Bulletin:  MB 95  (2009)  Lunar feld. Breccia
Recommended:  Lunar    [explanation]

This is 1 of 98 approved meteorites classified as Lunar.   [show all]
Search for other: Lunar meteorites
Comments: Approved 23 Dec 2008
Writeup from MB 95:

Northwest Africa 5406


Find: July 2008

Achondrite (lunar, feldspathic breccia)

History: Purchased by Greg Hupé in July 2008 from a dealer in Ouarzazate, Morocco, who reported that these stones were found in the same area as NWA 4936 near Siksou Mountain in southern Morocco.

Physical characteristics: Six, dark gray, mostly very fine-grained stones (total weight 281 g) with hackly fracture and lacking obvious fusion crust. The interior of each stone resembles devitrified glass with dispersed small white clasts.
Petrography: (A. Irving and S. Kuehner, UWS) All specimens are composed of small mineral clasts and sparse lithic clasts in a very fine-grained matrix (which has the texture of an impact melt with heterogeneous, “swirly” glass). Mineral clasts include anorthite, olivine, pigeonite, subcalcic augite, ilmenite, troilite, and irregular-shaped grains of kamacite.

Geochemistry: Pigeonite (Fs34.7Wo9.8, FeO/MnO = 59.9), augite (Fs55.8Wo26.4, FeO/MnO = 72.6), olivine (Fa25.7–27.0, FeO/MnO = 85.3–120), plagioclase (An96.2–97.2Or0.0). Bulk composition (R. Korotev, WUSL): FeO 5.8 wt%, Th 2.0 ppm, Sc 9.1 ppm, Ni 520 ppm, Sm 6.3 ppm.

Classification: Achondrite (lunar, feldspathic breccia). These stones have essentially the same distinctive textures, mineral compositions and bulk composition as NWA 4936, and are almost certainly paired with the latter stones.

Specimens: A total of 20.0 g of is on deposit at UWS. The main masses are held by Mr. G. M. Hupé.

Data from:
  Table 2
  Line 115:
Place of purchase:Morocco
Mass (g):281
Class:Lunar feld. Breccia
Fayalite (mol%):25.7-27.0
Ferrosilite (mol%):34.7,55.8
Wollastonite (mol%):9.8,26.4
Classifier:T. Irving, UWS
Type spec mass (g):20
Type spec location:UWS
Main mass:GHupé
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address)
References: Published in Meteoritical Bulletin, no. 95, MAPS 44, 429-462 (2009)
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Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Chris Handler Photo added 19 Apr 2022
Dominik Stoeckli   
MeteoriteCollector.org - FCOM - Russ Finney Photo added 19 Apr 2022
Noel Darlucio Pura Photo added 19 Apr 2022
Photo added 19 Apr 2022
xeqtr Photo added 19 Apr 2022
Photo added 19 Apr 2022


     This is 1 of 1871 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater)

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