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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: 231 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 12780 approved meteorites (plus 11 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 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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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