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Northwest Africa 7987 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7987 This is an OFFICIAL meteorite name. Abbreviation: NWA 7987 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: 1377 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 6484 approved meteorites (plus 2 unapproved names) classified as H4. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 14 Oct 2013 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7987 (NWA 7987) (Northwest Africa) Purchased: 2013 Apr Classification: Ordinary chondrite (H4) History: Purchased by Steve Witt and S. Addi in April 2013 from a Moroccan dealer. Petrography: (A. Irving and S. Kuehner, UWS) Small, well-formed chondrules. Olivine, orthopyroxene, clinopyroxene, sodic plagioclase, chromite, altered kamacite, taenite and troilite. Geochemistry: Olivine (Fa19.5-19.6), orthopyroxene (Fs16.5-16.7Wo0.7-0.8), clinopyroxene (Fs6.7-8.2Wo44.1-37.5). Classification: Ordinary chondrite (H4). Specimens: 38 g and one polished thin section are at UWB. The remainder is held jointly by Mr. S. Witt and Mr. S. Addi. | ||||||||||||||||||||||||||||||
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) |
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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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Photos: |
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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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