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Northwest Africa 4624 | |||||||||||||
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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: ![]() | ||||||||||||
Classification history: |
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 | ||||||||||||
Writeup![]() |
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: |
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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) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |