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Northwest Africa 5018
Basic information Name: Northwest Africa 5018
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5018
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 254 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 560 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 31 Mar 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 5018 (NWA 5018)

(Northwest Africa)

Purchased: 2007

Classification: HED achondrite (Eucrite)

History: The meteorite was found by an anonymous finder in northwest Africa and bought by the main mass holder in Morocco.

Physical characteristics: One fragment partly covered with fusion crust weighing 254 g was found.

Petrography: The meteorite is an unbrecciated basalt consisting dominantly of coarse-grained exsolved pyroxene and calcic plagioclase. Minor phases include ilmenite, chromite and silica. Few regions appear more fine-grained and plagioclase poor than the major part of the meteorite.

Geochemistry: Low-Ca pyroxene: Fs62.5±0.9Wo2.2±0.5 (Fs60.8-64.1Wo1.2-3.1, n=21, FeO/MnO=30-34); Ca-pyroxene: Fs28.0±1.1Wo43.0±1.3 (Fs26.9-31.1Wo39.6-44.5, n=20, FeO/MnO=28-36); calcic plagioclase: An87.7±4.4 (An78.5-91.1, n=12)

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2007
Mass (g):254
Pieces:1
Class:Eucrite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):62.5; 28.0
Wollastonite (mol%):2.2; 43.0
Classifier:A. Greshake, MNB
Type spec mass (g):22
Type spec location:MNB
Main mass:Carsten Giessler
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 Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
André Knöfel   
Andreas Grünemeyer Photo added 19 Apr 2022
bphd Photo added 19 Apr 2022
Corey Kuo Photo added 19 Apr 2022
Mark Vornhusen Photo added 19 Apr 2022
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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