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Northwest Africa 15359 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 15359 This is an OFFICIAL meteorite name. Abbreviation: NWA 15359 Observed fall: No Year found: 2022 Country: (Northwest Africa) Mass: 525 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 26 approved meteorites classified as EL3. [show all] Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 3), and Enstatite-rich meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 27 Nov 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 15359 (NWA 15359) (Northwest Africa) Purchased: 2022 Classification: Enstatite chondrite (EL3) History: Purchased by John Divelbiss in 2022 from a dealer in Riverside, California, who had obtained the material from a Moroccan source. Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed, highly magnesian glass-bearing chondrules (apparent diameter 740±450 µm, N = 24) are set in a fresh fine-grained matrix (~15 vol.%, opaque in thin section) containing Si-bearing kamacite, daubreelite, alabandite, Ti-Cr bearing troilite, oldhamite, silica polymorph and intermediate plagioclase. Geochemistry: Forsterite (Fa0.2±0.3, range Fa0.1-0.8, N = 6), enstatite (Fs0.4±0.2Wo1.0±0.1, range Fs0.2-0.8Wo0.8-1.3, N = 12), diopside (Fs0.9±0.3Wo46.5±0.5, range Fs0.5-1.2Wo47.1-46.1, N = 4), kamacite (Ni 6.7-8.1 wt.%, Si 0.7 wt.%, N = 6). Classification: Enstatite chondrite (EL3). Specimens: 24.6 g including one polished thin section at UWB; remainder with Mr. J. Divelbiss. | ||||||||||||||||||||||||||||||
Data from: MB111 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) BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024) |
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Catalogs: |
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References: | Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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