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Northwest Africa 8432
Basic information Name: Northwest Africa 8432
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8432
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 305 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  LL7
Recommended:  LL7    [explanation]

This is 1 of 60 approved meteorites classified as LL7.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Jun 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8432 (NWA 8432)

(Northwest Africa)

Purchased: 2012

Classification: Ordinary chondrite (LL7)

History: Purchased in Agadir in 2012

Physical characteristics: Two partially crusted stones. Cut surface reveals brecciated structure with dark clasts in a light-gray groundmass.

Petrography: (J. Gattacceca, CEREGE): Breccia with shock-darkened clasts up to 1 cm. Recrystallized texture without visible chondrule. Minerals are olivine, pyroxene, plagioclase (many >100 μm), troilite, chromite, Ca-phosphate, rare metal.

Geochemistry: Olivine Fa31.5±0.1, orthopyroxene Fs25.7±0.1Wo2.3±0.1, plagioclase An11Ab84Or5. Magnetic susceptibility log χ = 3.83 (χ in 10-9 m3/kg).

Classification: Ordinary chondrite (LL7), breccia. Weathering grade W1

Specimens: 21 g in CEREGE, main mass with Labenne

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2012
Mass (g):305
Pieces:2
Class:LL7
Weathering grade:W1
Fayalite (mol%):31.5±0.1
Ferrosilite (mol%):25.7±0.1
Wollastonite (mol%):2.3±0.1
Magnetic suscept.:3.83
Classifier:J. Gattacceca, M. Aboulahris, CEREGE
Type spec mass (g):21
Type spec location:CEREGE
Main mass:Luc Labenne
Comments:Submitted by J. 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)
Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6968 approved meteorites from (Northwest Africa) (plus 2012 unapproved names)

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