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Northwest Africa 10159
Basic information Name: Northwest Africa 10159
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10159
Observed fall: No
Year found: 2014
Country: Morocco
Mass:help 83.8 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 439 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 11 Jun 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10159 (NWA 10159)

Morocco

Purchased: 2014 Nov 17

Classification: HED achondrite (Diogenite)

History: The stones were bought in 2014 near Guelmim.

Physical characteristics: Six fragments partially covered by shiny fusion crust. The interior is grayish and coarse grained.

Petrography: Igneous rock with cumulate texture. Typical grain size 1.5 mm. Main minerals are orthopyroxene, olivine (to 3 mm, about 10 vol%). Accessory plagioclase, chromite, silica polymorph (to 200 μm), ilmenite. Rare metal.

Geochemistry: Olivine Fa25.6±0.4, FeO/MnO=47.1 (N=2); orthopyroxene Fs21.7±0.4 Wo2.1±0.1, FeO/MnO=27.1 (N=3); plagioclase An83.8Ab15.5Or0.6; chromite Cr#=0.79. Magnetic susceptibility log χ = 3.27 (χ in 10-9 m3/kg)

Classification: Diogenite

Specimens: 17.3 g at CEREGE. Main mass with R. Lenssen

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:near Guelmim, Morocco
Date:P 2014 Nov 17
Mass (g):83.8
Pieces:6
Class:Diogenite
Weathering grade:low
Fayalite (mol%):25.6±0.4 (N=2)
Ferrosilite (mol%):21.7±0.4 (N=3)
Wollastonite (mol%):2.1±0.1
Magnetic suscept.:3.27
Classifier:J. Gattacceca, H. Pourkhorsandi, CEREGE
Type spec mass (g):17.3
Type spec location:CEREGE
Main mass:R. Lenssen
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
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1481 approved meteorites from Morocco (plus 22 unapproved names) (plus 1 impact crater)

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