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Northwest Africa 8165 | |||||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8165 This is an OFFICIAL meteorite name. Abbreviation: NWA 8165 Observed fall: No Year found: 2012 Country: Mauritania Mass: 125 g | ||||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 2923 approved meteorites (plus 2 unapproved names) classified as LL6. [show all] Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||||
Comments: | Approved 5 Sep 2015 | ||||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 8165 (NWA 8165) Mauritania Find: 2012 Classification: Ordinary chondrite (LL6) History: Discovered by local people in the NW area of Mauritania in 2012, purchased in Nouadhibou in 2012 Oct. Physical characteristics: (R. Bartoschewitz, Bart) One fragment of 125 g covered about 75% by dark-brown fusion curst with contraction cracks. Saw-cut shows brecciation of darker fragments in light brown matrix and few metallic spots. Magnetic susceptibility log χ (× 10-9 m3/kg) = 3.36. Petrography: (R. Bartoschewitz, Bart) Microprobe examination of a thin section shows fine recrystallized matrix of olivine, pyroxene, feldspar, and poor developed barred olivine and granular chondrules and chondrule fragments. Geochemistry: (R. Bartoschewitz, Bart, P. Appel and B. Mader, Kiel) Olivine: Fa30.9±0.5 (Fa29.9-31.8; n=21). Pyroxene: Fs25.1Wo2.0 (Fs24.7-26.1, n=12). Feldspar: An9-11Or3-7 (n=8). Kamacite: Ni=3.7, Co=9.0 wt.% (n=2). Classification: Ordinary chondrite (LL6) Specimens: 20.3 g on deposit at Kiel, main mass Bart. | ||||||||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013) Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019) |
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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 220 approved meteorites from Mauritania (plus 2 unapproved names) (plus 2 impact craters) | ||||||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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