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Northwest Africa 14836 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14836 This is an OFFICIAL meteorite name. Abbreviation: NWA 14836 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 90 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 334 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 13 May 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 14836 (NWA 14836) (Northwest Africa) Purchased: 2021 Classification: Lunar meteorite (feldspathic breccia) History: Purchased by Chalom Malka in 2021 by Naji C. in Morocco. Physical characteristics: Five pieces with slightly weathered fusion crust. Petrography: (D. Sheikh, Cascadia) Sample is a breccia composed of mm-sized (up to 5 mm) sub-rounded lithic clasts (mostly anorthitic) set within a fine-grained matrix containing areas of melt rock (some having vesicles). Accessory phases include Fe-Ni metal, troilite, and SiO2 glass. Geochemistry: Olivine (Fa30.8±4.0, range Fa21.4-36.4, FeO/MnO=88±14, n=20), Low-Ca Pyroxene (Fs20.9±4.9Wo4.1±0.8, range Fs13.8-25.1Wo2.9-4.9, FeO/MnO=55±15, n=4), Pigeonite (Fs27.3±3.4Wo9.4±3.8, range Fs22.8-32.0Wo5.6-14.9, FeO/MnO=64±12, n=5), Augite (Fs21.1Wo29.6, FeO/MnO=70, n=1), Calcic Plagioclase (An96.5±0.6, range An95.4-97.4, n=7). Classification: Lunar (feldspathic breccia, containing melt rock areas). Specimens: 18.1 grams at Cascadia, main mass with Chalom Malka | ||||||||||||||||||||||||||||||
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 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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