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Northwest Africa 11162
Basic information Name: Northwest Africa 11162
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11162
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 201 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 408 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 4 Mar 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11162 (NWA 11162)

(Northwest Africa)

Purchased: 2016

Classification: HED achondrite (Eucrite, polymict)

History: The meteorite was bought in 2016 from a Moroccan meteorite dealer at a mineral fair in Munich, Germany.

Physical characteristics: Dark grayish individual with some patches of fusion crust.

Petrography: Polymict breccia with basaltic and up to 1 mm sized black melt clasts set into a clastic mineral matrix. Dominant minerals are exsolved pyroxenes and calcic plagioclase. Minor phases are silica, chromite, FeS, ilmenite and some diogenetic pyroxenes. No metallic Fe has been found.

Geochemistry: low-Ca pyroxene: Fs29.8±3.3Wo3.7±0.6 (Fs23.7-42.1Wo2.6-4.6, n=27, FeO/MnO=25-33); Ca-pyroxene: Fs40.6±13.0Wo31.2±5.8 (Fs20.3-65.4Wo25.4-40.7, n=12, FeO/MnO=24-38); calcic plagioclase: An92.1±1.9 (An88.0-95.0, n=17)

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Munich, Germany
Date:P 2016
Mass (g):201.1
Pieces:1
Class:Eucrite-pmict
Shock stage:low
Weathering grade:moderate
Ferrosilite (mol%):29.8; 40.6
Wollastonite (mol%):3.7; 31.2
Classifier:A. Greshake, MNB
Type spec mass (g):22.2
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
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