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Northwest Africa 11165
Basic information Name: Northwest Africa 11165
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11165
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass:help 1005 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Eucrite-br
Recommended:  Eucrite-br    [explanation]

This is 1 of 237 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 9 Mar 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11165 (NWA 11165)

(Northwest Africa)

Purchased: 2016

Classification: HED achondrite (Eucrite, brecciated)

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

Physical characteristics: Many dark-brownish individuals without fusion crust.

Petrography: The meteorite is a breccia composed of basaltic and impact melt fragments set into abundant clastic matrix. Basaltic clasts and matrix are dominated by exsolved pyroxene and calcic plagioclase up to 1mm in size. Minor phases are silica, chromite, FeS, FeNi metal, and ilmenite. No metallic Fe was found. The meteorite is cut by several shock melt veins.

Geochemistry: low-Ca pyroxene: Fs43.2±14.6Wo2.8±0.6 (Fs21.7-60.0Wo1.8-4.5, n=39, FeO/MnO=26-32); Ca-pyroxene: Fs28.6±0.5Wo41.3±0.5 (Fs27.9-29.7Wo40.6-42.1, n=15, FeO/MnO=28-31); calcic plagioclase: An92.0±1.1 (An90.7-93.3, n=19)

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Munich, Germany
Date:P 2016
Mass (g):1005
Pieces:many
Class:Eucrite-br
Shock stage:moderate
Weathering grade:moderate
Ferrosilite (mol%):43.2; 28.6
Wollastonite (mol%):2.8; 41.3
Classifier:A. Greshake, MNB
Type spec mass (g):22.3
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.
Find references in NASA ADS:
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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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