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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: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 220 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 Meteoritical Bulletin, no. 111, in preparation (2022)
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Geography: |
Statistics: This is 1 of 9111 approved meteorites from (Northwest Africa) (plus 1873 unapproved names) |