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Northwest Africa 11084
Basic information Name: Northwest Africa 11084
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11084
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 37 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Eucrite-unbr
Recommended:  Eucrite-unbr    [explanation]

This is 1 of 92 approved meteorites classified as Eucrite-unbr.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 14 Feb 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11084 (NWA 11084)

(Northwest Africa)

Purchased: 2016

Classification: HED achondrite (Eucrite, unbrecciated)

Physical characteristics: Very fresh thin fusion crust. Cut surface reveals light-gray, fine-grained homogeneous interior.

Petrography: Unbrecciated basaltic rock with ophitic teture. Main minerals are exsolved pyroxenes and plagiocalse, with average grain size 500 μm. Accessory minerals: ilmenite, chromite. Rare metal.

Geochemistry: Low Ca-pyroxene Fs62.8±0.2Wo2.6±0.6, FeO/MnO=32.0 (N=2). Augite exsolution Fs29.4Wo41.4 (N=1). Plagioclase An82.3±1.8Ab16.9±1.5Or0.8±0.3 (N=2). Chromite Cr/(Cr+Al)=0.85.

Classification: Eucrite, unbrecciated. Almost no weathering.

Specimens: 7.4 g at CEREGE.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2016
Mass (g):37
Pieces:1
Class:eucrite-unbr
Weathering grade:minimal
Ferrosilite (mol%):62.8±0.2 (N=2)
Wollastonite (mol%):2.6±0.6
Magnetic suscept.:2.70
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):7.42
Type spec location:CEREGE
Main mass:ArtMet collection, Poland
Finder:anonymous
Comments:work name F01-LM14; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
ARTMET: Meteorites and Art, Poland (private address; updated 23 Feb 2018)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6877 approved meteorites from (Northwest Africa) (plus 2037 unapproved names)

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