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Northwest Africa 11089
Basic information Name: Northwest Africa 11089
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11089
Observed fall: No
Year found: 2016
Country: Mauritania
Mass:help 450 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2807 approved meteorites (plus 1 unapproved name) classified as LL6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 25 Jan 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11089 (NWA 11089)

Mauritania

Find: 2016

Classification: Ordinary chondrite (LL6)

Physical characteristics: A brown stone with remanents of fusion crust. Cut surface reveal a light brown interior with darker clasts to 4 mm.

Petrography: Recrystallized texture with triple junctions. One relict chondrule was found in the studied polished section. Contains dark granulitic clasts.

Geochemistry: Plagioclase An10.8±0.4Ab84.6±0.6Or4.7±0.2 (N=2). Ca-pyroxene Fs10.6Wo42.7 (N=1). Chromite Cr/(Cr+Al)=0.86. Magnetic susceptibility log χ (× 10-9 m3/kg)=2.84.

Classification: LL6

Specimens: 33.8 g and a polished section at CEREGE

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Nouakchott
Date:2016
Mass (g):450
Pieces:1
Class:LL6
Weathering grade:W5
Fayalite (mol%):30.8±0.3 (N=2)
Ferrosilite (mol%):25.1±0.6 (N=2)
Wollastonite (mol%):1.8±0.0
Magnetic suscept.:2.84
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):33.8
Type spec location:CEREGE
Main mass:anonymous
Comments:work name IK450; 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)
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 145 approved meteorites from Mauritania (plus 1 unapproved name) (plus 2 impact craters)

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