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Northwest Africa 3116 | |||||||||||||||||||
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Basic information | Name: Northwest Africa 3116 This is an OFFICIAL meteorite name. Abbreviation: NWA 3116 Observed fall: No Year found: 2002 Country: Morocco Mass: ![]() | ||||||||||||||||||
Classification history: |
This is 1 of 209 approved meteorites classified as CK5. [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 89:
Northwest Africa 3116 Northwest Africa Found 2002 Carbonaceous chondrite (CK5) A 27 g stone was purchased in Erfoud, Morocco in 2002. Description and classification (T. Bunch and J. Wittke, NAU): contains numerous amoeboid and melilite-spinel – rich CAIs; well crystallized matrix of mostly fine-grained olivine (Fa35.4), plagioclase (An39.5), magnetite (Cr2O3, 2.93 wt. %; Al2O3, 2.85 wt. %; MgO, 0.65 wt. %; P2O5, 0.35 wt. %; TiO2, 0.85 wt. %; NiO, 0.43 wt. %; CoO, 0.26 wt. %), and troilite. Several large xenoliths of shock-melted/crystallized material contains bundles of Ca-rich pyroxene (Fs14.1Wo49.1) set in a groundmass of microns-size, Ca-poor pyroxenes (Fs34.2Wo2.0) and pentlandite (Ni = 36.7 wt. %). Shock level, S3 (xenoliths, S6); low weathering grade. Specimens: 5.4 g, NAU; main mass Hupé. | ||||||||||||||||||
Data from: MB89 Table 7 Line 457: |
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Institutions and collections |
NAU: Geology, Bldg 12
Knoles Dr
Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
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Photos: |
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Geography:![]() |
Statistics: This is 1 of 2012 approved meteorites from Morocco (plus 35 unapproved names) (plus 1 impact crater) |