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Northwest Africa 10953 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10953 This is an OFFICIAL meteorite name. Abbreviation: NWA 10953 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: 55 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 340 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 1 Mar 2017 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 10953 (NWA 10953) (Northwest Africa) Purchased: 2016 May Classification: Lunar meteorite (feldspathic breccia) History: Purchased by Ben Hoefnagels in May 2016 from a dealer in Ouarzazate, Morocco. Physical characteristics: A single, dark gray stone (55 g) lacking fusion crust. The fresh interior exhibits sparse, small whitish clasts in a very fine grained, dark gray matrix containing tiny grains of metal and sparse vesicles. Petrography: (A. Irving and S. Kuehner, UWS) Very fine grained and relatively plagioclase-rich breccia composed of small angular mineral clasts plus some polymineralic clasts. Minerals are anorthite, pigeonite, augite, exsolved pigeonite, olivine, kamacite, ilmenite and Ti-chromite, with minor secondary calcite and barite. Geochemistry: (P. Carpenter, WUSL) Olivine (Fa25.3-28.7, FeO/MnO = 86-94, N = 3), pigeonite (Fs37.5Wo5.4, FeO/MnO = 61; Fs41.3Wo9.9, FeO/MnO = 54; N = 2), augite (Fs12.7Wo40.4, FeO/MnO = 48), plagioclase (An95.6-97.1Or0.1, N = 2). Classification: Lunar (feldspathic breccia). Specimens: 11.2 g including one polished endcut at UWB; remainder with Mr. B. Hoefnagels. | ||||||||||||||||||||||||||||||
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) WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) |
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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 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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