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Northwest Africa 2484
Basic information Name: Northwest Africa 2484
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2484
Observed fall: No
Year found: 2004
Country: Western Sahara
Mass:help 11.9 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 2484

Northwest Africa

Found 2004

Achondrite (eucrite)

A single stone of 11.9 g almost completely covered by fusion crust 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): breccia composed of large often exsolved Ca-pyroxenes and plagioclase set into a more fine-grained matrix dominated by augite, exsolved Ca-pyroxene, orthopyroxene, and plagioclase; contains rare impact melt fragments; plagioclase, An83.7-93.3; orthopyroxene, Fs51.8-58.6Wo1.8-5.0; pigeonite, Fs23.4-57.8Wo5.2-17.3; augite, Fs21.8-41.6Wo28.3-46.0; minor phases include silica, ilmenite, Cr-Al-Ti-spinel, and sulfides; moderate degree of shock; low degree of weathering. Main mass with anonymous finder; type specimen 2.8 g plus one polished thin section MNB.

Data from:
  MB89
  Table 7
  Line 273:
Origin or pseudonym:Western Sahara
Date:2004
Mass (g):11.9
Pieces:1
Class:Euc
Shock stage:moderate
Ferrosilite (mol%):51.8-58.6
Classifier:A. Greshake, MNB
Type spec mass (g):2.8
Main mass:Stefan Ralew, Kunibertstraße 29, 12524 Berlin
Comments:Pig: Fs23.4 –57.8Wo5.2-17.3; Plag An83.7-93.3
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   
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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