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Northwest Africa 8680 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8680 This is an OFFICIAL meteorite name. Abbreviation: NWA 8680 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: 111 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 643 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 14 Mar 2017 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 8680 (NWA 8680) (Northwest Africa) Purchased: 2014 May Classification: Carbonaceous chondrite (CO3) History: Purchased by John Higgins in May 2014 from a dealer in Laayoune, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Small chondrules, mineral fragments and irregularly shaped CAI occur in a fairly sparse, red-brown matrix containing minor altered metal. Geochemistry: Olivine (Fa0.3-40.6; Cr2O3 in ferroan olivine 0.09-0.19 wt.%, mean 0.12±0.04 wt.%, N = 7), orthopyroxene (Fs0.6-10.4Wo1.1-0.4, N = 3), clinopyroxene (Fs1.7Wo45.2), diopside in CAI (Fs0.5Wo48.9). Classification: Carbonaceous chondrite (CO3). Specimens: 20.1 g including one polished thin section at UWB. The remaining material is held by Mr. J. Higgins. | ||||||||||||||||||||||||||||||
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) 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 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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