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Northwest Africa 3081 | |||||||||||||||
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Basic information | Name: Northwest Africa 3081 This is an OFFICIAL meteorite name. Abbreviation: NWA 3081 Observed fall: No Year found: 2002 Country: (Northwest Africa) Mass: 208 g | ||||||||||||||
Classification history: |
This is 1 of 7 approved meteorites classified as CK5/6. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites | ||||||||||||||
Writeup |
Writeup from MB 88:
Northwest Africa 3081 Morocco Found winter 2002/2003 Carbonaceous chondrite (CK5/6) A single stone of 207.9 g was found in winter 2002/2003 by an anonymous finder in the Western Saharan desert and purchased in 2003. Classification and mineralogy (A. Greshake, MNB): exhibits fine-grained texture with strongly recrystallized matrix dominating over rare chondrules and mineral fragments; feldspar is abundant in the matrix; olivine, Fa33.2, feldspar, An22.3-73.3; contains Cr-rich magnetite and minor augite; oxygen isotopic composition (R. Clayton and T. Mayeda, UChi): δ17O = -3.69‰, δ18O = +0.64‰, Δ17O = -4.02‰; low degree of shock; strong degree of weathering. Specimens: main mass with anonymous finder; type specimen 25.9 g plus one polished thin section MNB. | ||||||||||||||
Data from: MB88 Table 4 Line 202: |
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Plots: | O isotopes: | ||||||||||||||
Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) UChi: University of Chicago, Chicago, IL 60637, United States (institutional address; updated 28 Feb 2011) |
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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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Photos: |
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Geography: |
Statistics: This is 1 of 9933 approved meteorites from (Northwest Africa) (plus 1837 unapproved names) |