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Northwest Africa 10040 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10040 This is an OFFICIAL meteorite name. Abbreviation: NWA 10040 Observed fall: No Year found: 2013 Country: Morocco Mass: ![]() | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 77 approved meteorites classified as CK6. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites | ||||||||||||||||||||||||||
Comments: | Approved 24 May 2015 | ||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 10040 (NWA 10040) Morocco Find: 2013 Jan Classification: Carbonaceous chondrite (CK6) Physical characteristics: One single stone with a well-preserved fusion crust. Minimal weathering. Petrography: A few chondrules and FeNi metal are observed in the section. Recrystallization is extensive. The major phase is olivine. Accessory phases include magnetite, and Ni-rich sulfide. Magnetite with well-developed ilmenite exsolution lamellae. Geochemistry: NiO-rich olivine (average NiO 0.32 wt%, from 0.05 to 0.48 wt%). Ni-rich sulfide (Ni 20-27 wt%). Large compositional variations in plagioclase (An30-70). Classification: Carbonaceous chondrite (CK6). Specimens: 26 g at PMO. | ||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:![]() |
Statistics: This is 1 of 1932 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater) |