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Northwest Africa 11167
Basic information Name: Northwest Africa 11167
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11167
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 427 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 451 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Comments: Approved 9 Mar 2017
Writeuphelp
Writeup from MB 106:

Northwest Africa 11167 (NWA 11167)

(Northwest Africa)

Purchased: 2014

Classification: HED achondrite (Howardite)

History: The meteorite was bought in 2016 from a meteorite dealer in Erfoud, Morocco.

Physical characteristics: Fourteen grayish fragments with some fusion crust.

Petrography: The meteorite is a breccia composed of abundant mineral and subordinate lithic clasts (basaltic and impact melt clasts) set into a finer grained matrix. Main minerals are exsolved pyroxene, diogenetic orthopyroxene (10-15%) and calcic plagioclase. Accessory phases include silica, chromite, FeS, FeNi-sulfides, and metallic Fe.

Geochemistry: pyroxene host to augite lamellae: Fs59.5±2.4Wo3.6±1.6 (Fs55.7-62.2Wo2.0-6.0, n=11, FeO/MnO=29-34); Ca-pyroxene: Fs25.9±2.4Wo41.8±2.4 (Fs24.1-33.9Wo33.6-43.0, n=13, FeO/MnO=29-36); diogenitic pyroxene: Fs24.1±0.4Wo2.2±0.2 (Fs23.5-24.7Wo1.9-2.4, n=11, FeO/MnO=26-30); calcic plagioclase: An88.6±3.5 (An83.5-94.8, n=18)

Data from:
  MB106
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2014
Mass (g):427
Pieces:14
Class:Howardite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):59.5; 25.9; 24.1
Wollastonite (mol%):3.6; 41.8; 2.2
Classifier:A. Greshake, MNB
Type spec mass (g):22.3
Type spec location:MNB
Main mass:Martin Neukamm
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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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
DCOM      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
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Revision
  history:
  This lists important revisions made to data for this record.

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