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Northwest Africa 15369 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 15369 This is an OFFICIAL meteorite name. Abbreviation: NWA 15369 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 541 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 244 approved meteorites classified as Eucrite-br. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 12 Nov 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 15369 (NWA 15369) (Northwest Africa) Purchased: 2021 Classification: HED achondrite (Eucrite, brecciated) History: Purchased in 2021 by Paul Stahura from Edwin Thompson, who had previously purchased it from a meteorite dealer in Mauritania. Physical characteristics: Single stone with dark brown fusion crust. Petrography: (D. Sheikh, Cascadia) Specimen is brecciated in appearance and is comprised of mm-sized, sub-angular basaltic and cumulate lithic clasts set within a finer-grained matrix having accessory SiO2-rich glass and ilmenite. Geochemistry: Olivine (Fa84.0±1.2, range Fa82.4-85.3, Fe/Mn=38±1, n=4), Low-Ca Pyroxene (Fs44.8±12.9Wo4.4±1.0, range Fs30.7-61.3Wo2.7-5.5, Fe/Mn=29±3, n=11), Pigeonite (Fs51.8±5.1Wo12.7±5.4, range Fs42.5-60.0Wo6.6-22.2, Fe/Mn=30±2, n=19), High-Ca Pyroxene (Fs34.3±6.1Wo35.9±6.5, range Fs27.1-42.2Wo27.4-43.6, Fe/Mn=29±1, n=6), Calcic Plagioclase (An86.9±3.3, range An82.0-93.0, n=21). Classification: Achondrite (Eucrite, brecciated). Specimens: 84.95 g at Cascadia, main mass with Paul Stahura. | ||||||||||||||||||||||||||||||
Data from: MB111 Table 0 Line 0: |
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Institutions and collections |
Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011) Thompson: Edwin Thompson, 5150 Dawn St., Lake Oswego, OR 97035, United States (private address) |
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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 9933 approved meteorites from (Northwest Africa) (plus 1837 unapproved names) |