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Northwest Africa 7953 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7953 This is an OFFICIAL meteorite name. Abbreviation: NWA 7953 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 119 approved meteorites classified as CK4. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 18 Nov 2013 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 102:
Northwest Africa 7953 (NWA 7953) (Northwest Africa) Purchased: 2013 Jun Classification: Carbonaceous chondrite (CK4) History: Purchased by Adam Aaronson in Temara, Morocco, in May 2013. Petrography: (A. Irving and S. Kuehner, UWS) Exceptionally fresh, unequilibrated chondrite containing well-formed chondrules and dispersed grains of magnetite (some in chondrule rims). Olivine, orthopyroxene, clinopyroxene, sodic plagioclase, Ti-Cr-bearing magnetite, pentlandite, Ni-bearing pyrrhotite, Ni-free pyrrhotite and chlorapatite. Geochemistry: Olivine (Fa27.2-36.5, n = 3; FeO/MnO = 67-85), orthopyroxene (Fs26.4-27.6Wo0.9-1.3), clinopyroxene (Fs8.9-10.6Wo46.5-46.1). Classification: Carbonaceous chondrite (CK3). Specimens: 10.2 g and one polished thin section are at UWB. The remainder is held by GHupé. | ||||||||||||||||||||||||||||||
Data from: MB102 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) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |