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Northwest Africa 14913 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14913 This is an OFFICIAL meteorite name. Abbreviation: NWA 14913 Observed fall: No Year found: 2020 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 12478 approved meteorites (plus 8 unapproved names) classified as L6. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 9 May 2022 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 111:
Northwest Africa 14913 (NWA 14913) (Northwest Africa) Purchased: 20 Feb 2020 Classification: Ordinary chondrite (L6) History: Purchased by Dick Pugh from Morocco Stones/Bakraoui Abdelkader at the Tucson Gem Show on February 2, 2020, and donated to Cascadia. Physical characteristics: Physical Characteristics: Partially fusion crusted individual coated in a brown weathering patina. Petrography: (M. Hutson, A. Ruzicka, Cascadia): The thin section is badly stained and crosscut by numerous weathering veins and fractures. Silicates are coarse -grained and a few barely discernible chondrules are visible. Geochemistry: Olivine: Fa24.4±0.5, N=29; Low-Ca pyroxene: Fs20.5±0.2Wo1.4±0.2, N=14; Plagioclase feldspar: Ab83.0±1.7An10.2±1.1Or6.7±1.4, N=11. Classification: Ordinary chondrite (L6) based on mineral chemistry and texture. Specimens: Cascadia holds 227.6 g in one piece, as well as a polished thin section and material in an epoxy butt. | ||||||||||||||||||||||||||||||
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 9344 approved meteorites from (Northwest Africa) (plus 1872 unapproved names) |