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Northwest Africa 8639 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8639 This is an OFFICIAL meteorite name. Abbreviation: NWA 8639 Observed fall: No Year found: 2012 Country: (Northwest Africa) Mass: 81.82 kg | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 2930 approved meteorites (plus 2 unapproved names) classified as LL6. [show all] Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||
Comments: | Approved 15 Nov 2014 | ||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 8639 (NWA 8639) LL6, (Northwest Africa) Purchased: 2012 Jan Classification: Ordinary chondrite (LL6) History: Purchased by Dr. David Gregory in January 2012 from a Moroccan dealer at the Tucson Gem and Mineral Show. Petrography: (A. Irving and S. Kuehner, UWS) Largely recrystallized with very sparse remnant chondrules in a pale brown, stained matrix. Geochemistry: Olivine (Fa28.4-28.9, N = 3), orthopyroxene (Fs24.5-24.6Wo1.1-1.4, N = 3), clinopyroxene (Fs11.2-14.0Wo44.2-43.8). Classification: Ordinary chondrite (LL6). Specimens: 21 g including one polished thin section at UWB. The remainder is held by DGregory. | ||||||||||||||||||||||||||||||||
Data from: MB103 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) DGregory: David Gregory, 230 First Avenue, Suite 108, St. Thomas, Ontario N5R 4P5, Canada (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||||
Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
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Revision history: |
This lists important revisions made to data for this record.
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