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Northwest Africa 10163
Basic information Name: Northwest Africa 10163
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10163
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 56 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Eucrite-cm
Recommended:  Eucrite-cm    [explanation]

This is 1 of 55 approved meteorites classified as Eucrite-cm.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 11 Jun 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10163 (NWA 10163)

(Northwest Africa)

Purchased: 2014 May 6

Classification: HED achondrite (Eucrite, cumulate)

History: Purchased in Rissani, May 6, 2014.

Physical characteristics: Four full stones partially covered with fusion crust.

Petrography: Coarse-grained igneous rock composed mostly of exsolved pyroxene and plagioclase with typical grain size 1 mm. Accessory chromite (to 100 μm), silica polymorph (to 200 μm), troilite, ilmenite. Rare metal.

Geochemistry: Pyroxenes: low-ca pyroxene Fs46.4±2.1Wo4.5±2.9 (N=6), augite exsolution Fs19.2±0.3Wo43.3±0.2 (N=2), FeO/MnO=31.5±3.1 (N=8). Plagioclase An91.5±0.8Ab8.2±0.7Or0.4±0.1 (N=6). Chromite Cr#=0.79. Magnetic susceptibility log χ = 2.49 (χ in 10-9 m3/kg)

Classification: Eucrite (cumulate). Minor weathering.

Specimens: 15 g at CEREGE. Main mass with P. Thomas.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Rissani
Date:P 2014 May 6
Mass (g):56
Pieces:4
Class:Eucrite-cm
Weathering grade:minor
Ferrosilite (mol%):46.4±2.1; 19.2±0.3
Wollastonite (mol%):4.5±2.9 ; 43.3±0.2
Magnetic suscept.:2.49
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):15.2
Type spec location:CEREGE
Main mass:P. Thomas
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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