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Northwest Africa 15128 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 15128 This is an OFFICIAL meteorite name. Abbreviation: NWA 15128 Observed fall: No Year found: 2020 Country: (Northwest Africa) Mass: 134 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 6493 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 23 Jul 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 15128 (NWA 15128) (Northwest Africa) Purchased: 2020 May Classification: Ordinary chondrite (H4) History: Purchased by John Divelbiss in May 2020 from a dealer in Utah, who had obtained the material from a Moroccan source. Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Relatively small, well-formed equilibrated chondrules containing devitrified glass and plagioclase are set in a relatively coarse grained matrix containing Fe hydroxides, chromite, troilite, merrillite and Fe phosphate, but no plagioclase. No primary kamacite remains. Geochemistry: Olivine (Fa18.8±0.2, range Fa18.4-19.0, N = 16), low-Ca pyroxene (Fs16.8±0.4Wo1.1±0.2, range Fs16.2-17.5Wo1.0-1.4, N = 9). Classification: Ordinary chondrite (H4). Specimens: 22.9 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 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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