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Northwest Africa 6966
Basic information Name: Northwest Africa 6966
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6966
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 1105 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Eucrite-br
Recommended:  Eucrite-br    [explanation]

This is 1 of 167 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 22 Oct 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 6966 (NWA 6966)

(Northwest Africa)

Purchased: 2011

Classification: HED achondrite (Eucrite, brecciated)

History: The meteorite was bought in 2011 from a local meteorite dealer in Erfoud, Morocco.

Physical characteristics: The stone lacks any fusion crust and displays a greyish interior.

Petrography: The meteorite is a breccia composed of differently textured basaltic clasts up to 2 cm in size. Dominant minerals are exsolved pyroxene and calcic plagioclase up to 0.8 mm in size. Minor phases are silica, FeS, chromite and zircon. No metal was detected.

Geochemistry: low-Ca pyroxene: Fs64.0±0.5Wo3.5±0.6 (Fs63.1-65.0Wo2.9-4.7, n=15, FeO/MnO=31-35); Ca-pyroxene: Fs37.7±7.1Wo32.7±9.2 (Fs29.1-46.9Wo21.5-43.1, n=19, FeO/MnO=28-35); calcic plagioclase: An81.0±3.0 (An77.6-87.7, n=20)

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2011
Mass (g):1105
Pieces:1
Class:Eucrite-br
Shock stage:low
Weathering grade:moderate
Ferrosilite (mol%):64.0; 37.7
Wollastonite (mol%):3.5; 32.7
Classifier:A. Greshake, MNB
Type spec mass (g):21.2
Type spec location:MNB
Main mass:Stefan Ralew
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Andreas Grünemeyer   
Gerald Armstrong   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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