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Northwest Africa 13513 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13513 This is an OFFICIAL meteorite name. Abbreviation: NWA 13513 Observed fall: No Year found: 2020 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 604 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
Comments: | Approved 16 Jan 2021 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 110:
Northwest Africa 13513 (NWA 13513) (Northwest Africa) Purchased: 2020 Jun Classification: Ureilite History: Purchased by Sun-Chung Yang in June 2020 from a Moroccan dealer. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) The specimen exhibits triple grain junction texture and is composed predominantly of olivine with subordinate low-Ca pyroxene and augite plus accessory graphite, phosphorus-bearing FeNi metal, Cr-troilite and minor secondary calcite. Olivine grains have reduced magnesian rims with fine blebby Fe metal associated with minor Cr-troilite. Geochemistry: Olivine (cores Fa11.3±0.2, N = 3; rims 4.1±0.9, range Fa3.5-5.1, N = 3), low-Ca pyroxene (Fs10.2±0.2Wo4.9±0.0, N = 2), augite (Fs6.3±0.0Wo36.5±0.2, N = 2). Classification: Ureilite. Specimens: 4.6 g in the form of a polished endcut at UWB; remainder with Mr. S.-C. Yang. | ||||||||||||||||||||||||||||||
Data from: MB110 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography: |
Statistics: This is 1 of 8402 approved meteorites from (Northwest Africa) (plus 1899 unapproved names) |