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Northwest Africa 7471 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7471 This is an OFFICIAL meteorite name. Abbreviation: NWA 7471 Observed fall: No Year found: 2012 Country: (Northwest Africa) Mass: 242 g | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 645 approved meteorites (plus 1 unapproved name) classified as CO3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites | ||||||||||||||||||||||||||
Comments: | Approved 6 Sep 2013 | ||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7471 (NWA 7471) (Northwest Africa) Purchased: 2012 Aug Classification: Carbonaceous chondrite (CO3) History: Purchased by GHupé in August 2012 from a dealer in Zagora, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Composed of very small, well-formed chondrules and some CAI in a deep brown, fine-grained matrix. Geochemistry: Olivine (Fa0.4-71.7; Cr2O3 in ferroan olivine = 0.10-0.36 wt.%, mean 0.22 wt.%, s.d. 0.09, N = 8), orthopyroxene (Fs1.1-13.6Wo1.1-2.5), subcalcic augite (Fs2.2Wo31.8; Fs1.6Wo37.7), augite (Fs1.0-2.3Wo44.7-48.6). Classification: Carbonaceous chondrite (CO3). | ||||||||||||||||||||||||||
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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) 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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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