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Northwest Africa 4624
Basic information Name: Northwest Africa 4624
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4624
Observed fall: No
Year found: 2006
Country: (Northwest Africa)
Mass:help 175 g
Classification
  history:
Meteoritical Bulletin:  MB 92  (2007)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 24 Jul 2007
Writeuphelp
Writeup from MB 92:

Northwest Africa 4624

Northwest Africa

Find: 2006

Achondrite (eucrite)

History: The meteorite was recovered by an anonymous collector in the northern part of the Sahara and bought by Jürgen Nauber in Ensisheim, France in 2006.

Physical characteristics: Two stones totaling 175 g.

Petrography: (A. Greshake, MNB). An unbrecciated achondrite mainly consisting of exsolved pyroxene and calcic plagioclase displaying a cumulate texture. Minor phases include chromite, pyrrhotite, troilite, and SiO2. The meteorite contains several dark shock veins.

Mineral compositions: Pyroxene (Fs35.5-43.3Wo2.7-15.6) and plagioclase (An91.1-93).

Classification: Achondrite (eucrite); extensive shock, moderate weathering.

Type specimens: A total of 21.5 g of sample plus one polished thin section are on deposit at MNB. JNMC holds the main mass.

Data from:
  MB92
  Table 2
  Line 115:
Place of purchase:Ensisheim, France
Date:2006
Mass (g):175
Pieces:2
Class:Euc
Type spec mass (g):21.5
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
JNMC: jnmczurich, P.O. Box 208, CH-8155 Niederhasli, Switzerland; Website (private address; updated 4 Feb 2014)
Catalogs:
References: Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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