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Northwest Africa 15436 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 15436 This is an OFFICIAL meteorite name. Abbreviation: NWA 15436 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 8831 approved meteorites (plus 4 unapproved names) classified as L5. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 12 Nov 2022 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 111:
Northwest Africa 15436 (NWA 15436) (Northwest Africa) Purchased: 2021 Nov 18 Classification: Ordinary chondrite (L5) History: Purchased on 2021 Nov 18 by Chris Monk from Younes Chaoui. Physical characteristics: Single weathered stone with dark-brown fusion crust. Petrography: (D. Sheikh, Cascadia) Equilibrated ordinary chondrite containing secondary recrystallized feldspar (Av. ~20 μm) and accessory Fe-Ni metal, troilite, and chromite. Geochemistry: Olivine (Fa24.7±0.3, range Fa23.7-25.3, n=28), Low-Ca Pyroxene (Fs20.8±0.2Wo1.6±0.4, range Fs20.4-21.4Wo1.0-3.1, n=25). Classification: Ordinary Chondrite (L5). Specimens: 20.15 g at Cascadia, main mass with Chris Monk. | ||||||||||||||||||||||||||||||
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) |
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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 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names) |