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| Northwest Africa 11200 | |||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 11200 This is an OFFICIAL meteorite name. Abbreviation: NWA 11200 Observed fall: No Year found: 2015 Country: Morocco Mass:  1620 g | ||||||||||||||||||||||||
| Classification history: |
This is 1 of 148 approved meteorites classified as Iron, IIAB. [show all] Search for other: IIAB irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||||||||||||||
| Comments: | Approved 17 Apr 2017 | ||||||||||||||||||||||||
| Writeup |
Writeup from MB 106:
Northwest Africa 11200 (NWA 11200) Morocco Purchased: December 2015 Classification: Iron meteorite (IIAB) History: Originally purchased by Mirko Graul in 2011 or 2012 from a Moroccan dealer. Physical characteristics: The fist-sized main mass is approximately equant, with a dark brown to light red-brown exterior. Petrography: (C. Herd, UAb) Polished and etched surfaces reveal large (>2 cm) kamacite crystals, portions of which are cloudy; Neumann lines are evident on reflective surfaces. Schreibersite inclusions up to 1 cm in diameter are present. Terrestrial oxidation extends along some fractures, but is relatively low. Geochemistry: ICP-MS data, using sample of North Chile (Filomena) as standard (C. Herd and G. Chen UAb): Ni = 6.5, Co = 0.46 (both wt%); Cu = 135, Ga = 67, Ge = 223, Ru = 4.1, W = 0.71, Ir < 0.015, Pd = 2.3, Pt = 4.3, Au = 1.0 (all μg/g). Classification: IIAB, hexahedrite. Specimens: Type specimen consisting of a 13.9 g slice and a 30.3 g end piece at UAb. Main mass with A. Koppelt. | ||||||||||||||||||||||||
| Data from: MB106 Table 0 Line 0: |
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| Institutions and collections |
UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 2011) |
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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 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||
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| Also see: |
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| Revision history: |
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