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Northwest Africa 7706
Basic information Name: Northwest Africa 7706
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7706
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 279 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 393 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 1 Mar 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7706 (NWA 7706)

(Northwest Africa)

Found: 2012

Classification: HED achondrite (Eucrite, polymict)

Petrography: The meteorite is partly covered with a shiny fusion crust and displays a light-colored interior dominated by large basaltic clast set into a fine-grained clastic matrix; few melt clasts are present. Calcic plagioclase is very abundant, pyroxene grains are typically exsolved. Accessory minerals include chromite, troilite, and SiO2.

Geochemistry: Opx: Fs61.9-66.2Wo1.6-2.7, FeO/MnO=30-32; cpx: Fs27.6-30.6Wo41.8-43.1, FeO/MnO=29-34; calcic plagioclase: An87.8 (range An85.8-89.7).

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Agadir, Morocco
Date:2012
Mass (g):279
Pieces:3
Class:Eucrite-pmict
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):61.9-66.2; 27.6-30.6
Wollastonite (mol%):1.6-2.7; 41.8-43.1
Classifier:A. Greshake, MNB
Type spec mass (g):30.0
Type spec location:MNB
Main mass:Svend Buhl
Finder:Aid Mohamed
Comments:Submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Ziyao Wang      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

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