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| Northwest Africa 11420 | |||||||||||||||||||||
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| Basic information | Name: Northwest Africa 11420 This is an OFFICIAL meteorite name. Abbreviation: NWA 11420 Observed fall: No Year found: 2017 Country: Morocco Mass:  83.3 kg | ||||||||||||||||||||
| Classification history: |
This is 1 of 144 approved meteorites classified as Iron, IIAB. [show all] Search for other: IIAB irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||||||||||
| Comments: | Approved 13 Oct 2017 | ||||||||||||||||||||
| Writeup |
Writeup from MB 106:
Northwest Africa 11420 (NWA 11420) Morocco Find: 2016 Classification: Iron meteorite (IIAB) History: One piece of iron was collected in 2016 in an unknown area, Morocco, and purchased in Tucson in February 2017 from a Moroccan dealer. Physical characteristics: The write up specimen is a 2350 g, partly crusted, regmaglypted, slightly weathered by naturally sandblasting. Petrography: Etched section shows a normal hexahedrite structure with bright kamacite and several sets of Neumann lines. Schreibersite occurs as numerous rhabdites and small patches. Geochemistry: SEM-EDX spot analyses: kamacite Fe94.9±0.5Ni5.1±0.5 (N=11); Bulk composition: ICP-MS data, Ni 54 mg/g, Co 4.5 mg/g, Cu 139 μg/g, Ga 59 μg/g, Ge 221 μg/g, W 1.7 μg/g, Re 0.9 μg/g, Ir 7.6 μg/g, Pt 5.1 μg/g, Pd 1.7 μg/g, Ru 15.7 μg/g, Os 5.5 μg/g and Au 0.5 μg/g. Classification: Iron, IIAB, hexahedrite. Specimens: 31 g at UPC, 2.3 kg with anonymous owner, 2 stones of 22 kg and 59 kg with Aaronson. | ||||||||||||||||||||
| Data from: MB106 Table 0 Line 0: |
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| Institutions and collections |
UPC: Institut de Tècniques Energètiques, Universitat Politècnica de Catalunya
Diagonal 647, ed. ETSEIB, 08028 Barcelona, Spain, Spain (institutional address; updated 3 May 2015) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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| References: | Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography:
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Statistics: This is 1 of 1837 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||