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Northwest Africa 11082
Basic information Name: Northwest Africa 11082
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11082
Observed fall: No
Year found: 2016
Country: Mauritania
Mass:help 390 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 660 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 14 Feb 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11082 (NWA 11082)

Mauritania

Find: 2016

Classification: Ureilite

Physical characteristics: A dark-gray stone with desert varnish. Cut surface reveals an aggregate of mm size crystals.

Petrography: Unbrecciated aggregate of blocky mm size silicates grains (mostly olivine and pigeonite) with triple junctions. Olivine has reduced margins. Metal is present as alignements of μm size grains in silicates. Carbon material is found between the silicate grains.

Geochemistry: Olivine: core Fa20.3 (N=1), rim Fa10.1 (N=1). Pigeonite Fs18.0±0.3Wo7.7±0.2 (N=4).

Classification: Ureilite. Moderate weathering.

Specimens: 54.9 g and a polished section at CEREGE.

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Nouakchott
Date:2016
Mass (g):390
Pieces:1
Class:ureilite
Weathering grade:moderate
Fayalite (mol%):20.3 (N=1)
Ferrosilite (mol%):18.0±0.3 (N=4)
Wollastonite (mol%):7.7±0.2
Magnetic suscept.:4.80
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):54.9
Type spec location:CEREGE
Main mass:anonymous
Comments:work name IK390; 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 10 Jun 2023)
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:

Mauritania
Coordinates:Unknown.

Statistics:
     This is 1 of 221 approved meteorites from Mauritania (plus 2 unapproved names) (plus 2 impact craters)
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Revision
  history:
  This lists important revisions made to data for this record.

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