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Northwest Africa 2483
Basic information Name: Northwest Africa 2483
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2483
Observed fall: No
Year found: 2004
Country: Western Sahara
Mass:help 280 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  Eucrite
MetBase:  v. 7.1  (2006)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeuphelp
Writeup from MB online:

Northwest Africa 2483

Northwest Africa

Found 2004

Achondrite (eucrite)

A single stone of 280.2 g was found in 2004 by an anonymous finder in the Western Saharan desert and purchased in Erfoud in 2004. Classification and mineralogy (A. Greshake, Berlin): unusual eucrite with large shock veins and embedded clasts; fine-grained clastic matrix consists of augite, exsolved Ca-pyroxene, orthopyroxene, and plagioclase; minor phases include silica, ilmenite, troilite, and Al-Ti-chromite; most fragments are composed of laths shaped pigeonite with augite exsolution lamellae, interstitial plagioclase and rare augite, and opaque phases; plagioclase, An85.1 (range An78.8-88.5); orthopyroxene, Fs51.0-57.7Wo1.3-2.2; pigeonite, Fs47.9-55.3Wo5.9-16.5; augite, Fs22.1.-33.9Wo30.0-45.9; high degree of shock; moderate degree of weathering. Main mass with anonymous finder; type specimen 20.3 g plus one polished thin section MNB.

Data from:
  MB89
  Table 7
  Line 272:
Origin or pseudonym:Western Sahara
Date:2004
Mass (g):280.2
Pieces:1
Class:Euc
Shock stage:high
Ferrosilite (mol%):51-57.7
Classifier:A. Greshake, MNB
Type spec mass (g):20.3
Main mass:Stefan Ralew, Kunibertstraße 29, 12524 Berlin
Comments:Pig: Fs47.9 –55.3Wo5.9-16.5; Plag An78.8-88.5
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Don Edwards   
SR Meteorites   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Jim Brady   
Geography:

Western Sahara
Coordinates:Unknown.

Statistics:
     This is 1 of 280 approved meteorites from Western Sahara (plus 20 unapproved names)
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Revision
  history:
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