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Northwest Africa 10161
Basic information Name: Northwest Africa 10161
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10161
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 60 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 571 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 11 Jun 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10161 (NWA 10161)

(Northwest Africa)

Purchased: 2014 May 17

Classification: HED achondrite (Eucrite)

History: Purchased in Erfoud, May 17, 2014.

Physical characteristics: A single stone entirely covered with fusion crust. Magnetic susceptibility log χ = 2.49 (χ in 10-9 m3/kg)

Petrography: Igneous rock with ophitic to subophitic texture. Main minerals are exsolved pyroxene and plagioclase with typical grain size 500 μm. Minor chromite, silica polymorph, troilite, ilmenite. Rare metal.

Geochemistry: Pyroxenes: orthopyroxene Fs63.2±0.7Wo2.7±0.5 (N=11), augite exsolution Fs28.6±1.0Wo42.9±1.1 (N=3), FeO/MnO=32.6±2.0 (N=14). Plagioclase An85.6±3.5Ab13.6±3.2Or0.8±0.4 (N=3). Chromite Cr#=0.79.

Classification: Eucrite (basaltic)

Specimens: 13 g at CEREGE. Main mass with P. Thomas.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2014 May 17
Mass (g):60
Pieces:1
Class:Eucrite
Ferrosilite (mol%):63.2±0.7 (N=11) ; 28.6±1.0 (N=3)
Wollastonite (mol%):2.7±0.5 ; 42.9±1.1
Magnetic suscept.:2.66
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):12.5
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 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

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