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Northwest Africa 10209 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10209 This is an OFFICIAL meteorite name. Abbreviation: NWA 10209 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 137 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 83 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 18 Jul 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 10209 (NWA 10209) (Northwest Aftica) Purchased: 2015 Classification: Carbonaceous chondrite (CK6) History: Purchased by Adam Aaronson in Morocco, 2015. Physical characteristics: Weathered exterior, some oxidation. A saw cut reveals scattered chondrules, up to 3 mm, in a very fine-grained, dark-gray groundmass. A few small CAIs are visible. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows texturally equilibrated chondrules, plagioclase grains up to 100 μm. Fe-Ni metal, troilite and magnetite were observed. Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fs31.3±0.2, Fe/Mn=118±10, NiO=0.44±.08 (wt%), n=10; low-Ca pyroxene Fs26.7±0.5Wo1.0±0.8, Fe/Mn=71±5, n=10. Classification: Carbonaceous chondrite (CK6) Specimens: 20.3 g including a probe mount on deposit at UNM; Aaronson holds the main mass. | ||||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
UNM: Institute of Meteoritics
MSC03 2050
University of New Mexico
Albuquerque NM 87131-1126
USA, United States; Website (institutional address; updated 12 Feb 2015) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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