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Northwest Africa 11053 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11053 This is an OFFICIAL meteorite name. Abbreviation: NWA 11053 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 74 approved meteorites classified as Pallasite. [show all] Search for other: Metal-rich meteorites, Pallasites | ||||||||||||||||||||||||||
Comments: | Approved 3 Mar 2017 | ||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 106:
Northwest Africa 11053 (NWA 11053) (Northwest Africa) Purchased: 2016 Nov Classification: Pallasite History: Purchased by Darryl Pitt in November 2016 from a dealer in Mauritania. Petrography: (A. Irving and S. Kuehner, UWS) Composed predominantly of large grains of olivine (up to 1 cm) and heavily altered metal (Cr-bearing kamacite, present as remnant grains) with accessory schreibersite and Cr-bearing troilite. Terrestrial alteration products of primary metal are heterogeneous iron hydroxides with minor amounts of indeterminate K- and Ca-bearing phases. Geochemistry: Olivine Fa12.9-13.3, FeO/MnO=36-37 (N = 3). Classification: Pallasite. Specimens: 21.9 g including a polished endcut at UWB; remainder with DPitt. | ||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
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Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address) |
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Catalogs: |
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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: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |