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| Northwest Africa 4032 | |||||||||||||||||
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| Basic information | Name: Northwest Africa 4032 This is an OFFICIAL meteorite name. Abbreviation: NWA 4032 Observed fall: No Year found: 2004 Country: (Northwest Africa) Mass:  10.5 g | ||||||||||||||||
| Classification history: |
This is 1 of 391 approved meteorites classified as Eucrite-pmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||
| Comments: |
Approved 3 Feb 2006 Revised 9 Sep 2006: Update classification | ||||||||||||||||
| Writeup |
Writeup from MB 90:
Northwest Africa 4032 Northwest Africa Find: 2004 Achondrite (eucrite, polymict) History: A single stone of 10.5 g partly covered with fusion crust was found in the western Sahara in Morocco in 2004. Petrography: (A. Greshake, MNB) A polymict breccia consisting of basaltic and mineral clasts set into a fine-grained groundmass with mineral fragments that are dominantly large plagioclase and exsolved Ca pyroxene. Minor phases include silica, troilite, and ilmenite. Geochemistry: Plagioclase (An79–91.4), pyroxene (Fs26.6–61.2Wo2.6–42.5). Classification: Achondrite (eucrite, polymict); high shock, minimal weathering. Specimens: A 2.2 g type specimen and one polished thin section are on deposit at MNB. JNMC-Zürich, Switzerland, holds the main mass. | ||||||||||||||||
| Data from: MB90 Table 2 Line 251: |
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| Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 90, MAPS 41, 1383-1418 (2006)
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| Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) | ||||||||||||||||