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Northwest Africa 3140
Basic information Name: Northwest Africa 3140
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 3140
Observed fall: No
Year found: 2004
Country: Morocco
Mass:help 750 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  Ureilite
MetBase:  v. 7.1  (2006)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 658 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Writeuphelp
Writeup from MB online:

Northwest Africa 3140

Morocco

Purchased 2004 April

Achondrite (ureilite)

A 750 g dense, broken, greenish-grey stone (one large and several smaller pieces) was purchased in Tagounite from a Moroccan dealer by A. and G. Hupé (xHupé) in 2004 April.  Classification and mineralogy (A. Irving and S. Kuehner, UWS): Mainly olivine (core Fa22.2, CaO = 0.31 wt.%, MnO = 0.43 wt.%, Cr2O3 = 0.53 wt.%) with subordinate pigeonite (core Fs17.9Wo9.1, Cr2O3 = 1.26 wt.%, FeO/MnO = 26.2) and interstitial metal plus finely granular carbon phases (including diamond, judging from difficulties in cutting this specimen). The rims of grains of both olivine (Fa13.8, CaO = 0.35 wt.%, MnO = 0.49 wt.%, Cr2O3 = 0.43 wt.%) and pigeonite (Fs12.1Wo9.4, Cr2O3 = 1.25 wt.%, FeO/MnO = 16.4) exhibit characteristic reduced compositions against interstitial matrix.  Specimens: type specimen, 20 g, and one polished thin section, UWS; main mass, xHupé.

Data from:
  MB89
  Table 7
  Line 477:
Origin or pseudonym:Morocco
Date:2004
Mass (g):750
Pieces:1
Class:Ure
Fayalite (mol%):22.2-13.8
Type spec mass (g):20
Comments:Pig: Fs17.9Wo9.1; Undefined note: UWS means University of Washington, Department of Geological Sciences, Box 351310, Seattle, WA 98195, USA
Institutions
   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)
xHupé: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Nakhladog      
The Hupe Collection   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Denis gourgues   
Dirk Hohmann   
Edward Krikorian   
Gerald Armstrong      
Jay Piatek   
Michael S. Scherman   
Stelvino   
Wandering Star   
Woreczko Jan & Wadi   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 2068 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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