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Northwest Africa 8436
Basic information Name: Northwest Africa 8436
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8436
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 54 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Eucrite-mmict
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 272 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 6 Jun 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8436 (NWA 8436)

(Northwest Africa)

Purchased: 2013 Jun

Classification: HED achondrite (Eucrite, monomict)

History: Purchased in 2013 in Agadir

Physical characteristics: Cut surface reveals a gray brecciated interior with abundant shock veins and melt pockets.

Petrography: (J. Gattacceca, CEREGE) Brecciated ophitic to subophitic basalt. Main minerals are plagioclase and pyroxene, with typical grain size 500 μm and 1 mm, respectively. Accessory silica (most grains >200 μm), troilite, chromite, ilmenite, metal.

Geochemistry: Orthopyroxene Fs61.2±0.5 Wo3.0±0.3, FeO/MnO = 33.6±2.3. Ca-pyroxene Fs24.9 Wo45.6, FeO/MnO = 35.1. Plagioclase An89.2 Or0.4 Magnetic susceptibility log χ = 2.60 (χ in 10-9 m3/kg)

Classification: Achondrite (basaltic monomict eucrite). Moderate weathering.

Specimens: 12 g in CEREGE, main mass with Labenne

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2013 Jun
Mass (g):54
Pieces:1
Class:Eucrite-mmict
Weathering grade:moderate
Ferrosilite (mol%):61.2 - 24.9
Wollastonite (mol%):3.0 - 45.6
Magnetic suscept.:2.60
Classifier:J. Gattacceca, M. Aboulahris, CEREGE
Type spec mass (g):12
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
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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