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Northwest Africa 3075 | |||||||||||||
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Basic information | Name: Northwest Africa 3075 This is an OFFICIAL meteorite name. Abbreviation: NWA 3075 Observed fall: No Year found: 2002 Country: (Northwest Africa) Mass: ![]() | ||||||||||||
Classification history: |
This is 1 of 391 approved meteorites classified as Eucrite-pmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||
Writeup![]() |
Writeup from MB 88:
Northwest Africa 3075 Northwest Africa Found 2002 Achondrite (eucrite) A single stone of 446 g completely covered by fusion crust was found in 2002 by an anonymous finder in the Western Saharan desert. Classification and mineralogy (A. Greshake and M. Kurz, MNB): polymict breccia with basaltic, impact melt and large minerals clasts set into a more fine-grained matrix of plagioclase, pigeonite with augite exsolution lamellae, and opaque phases; some clasts show cumulate texture; plagioclase, An87 (range An83.4-88.2); pigeonite, Fs32.9-74.2Wo7.5-16.7; augite, Fs64.7Wo21.6; minor phases include silica, chromite, and phosphates; numerous shock veins, strong mosaicism of pyroxene, and strong undulatory extinction of plagioclase attest high degree of shock; moderate degree of weathering. Specimens: Main mass with anonymous finder; type specimen 20.2 g plus one polished thin section MNB. | ||||||||||||
Data from: MB88 Table 4 Line 200: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) Kurz: M. Kurz, Schillerstrasse 7, D-34626 Neukirchen, Germany (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |