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Northwest Africa 13381 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13381 This is an OFFICIAL meteorite name. Abbreviation: NWA 13381 Observed fall: No Year found: 2020 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 75 approved meteorites classified as CK3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 5 Sep 2020 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Northwest Africa 13381 (NWA 13381) (Northwest Africa) Purchased: 2020 Jun Classification: Carbonaceous chondrite (CK3) History: Purchased by Rachid Chaoui in June 2020 from a Mauritanian dealer. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Separated, granular, glass-bearing unequilibrated chondrules containing Cr-magnetite plus fine grained CAI are set in a relatively abundant fine grained matrix containing Cr-magnetite, troilite and pentlandite. Hedenbergite, spinel and ilmenite are present in one CAI. Geochemistry: Olivine (Fa30.2±15.1, range Fa2.6-44.0, N = 9), low-Ca pyroxene (Fs2.0±1.3Wo2.2±2.2, range Fs0.8-3.4Wo4.6-0.4, N = 5), augite (Fs0.5Wo45.2), magnetite (Cr2O3 = 1.2 wt.%, 3.1 wt.%, N = 2). Classification: Carbonaceous chondrite (CK3). Specimens: 22.1 g including one polished thin section at UWB; remainder with Mr. R. Chaoui. | ||||||||||||||||||||||||||||||
Data from: MB109 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. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |