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Northwest Africa 14081 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14081 This is an OFFICIAL meteorite name. Abbreviation: NWA 14081 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 1555 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 280 approved meteorites classified as Eucrite-mmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 6 Jul 2021 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 110:
Northwest Africa 14081 (NWA 14081) (Northwest Africa) Purchased: 2021 Jan Classification: HED achondrite (Eucrite, monomict) History: Purchased by Jason Whitcomb in January 2021 from an Algerian dealer. Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Breccia composed predominantly of mildly-shocked microgabbroic eucrite clasts plus minor related crystalline debris in a sparse fine grained matrix. Major phases are exsolved pigeonite and calcic plagioclase (polycrystalline) together with accessory silica polymorph, chromite, fayalite, ilmenite and troilite. Geochemistry: Low-Ca pyroxene host (Fs59.3-63.2Wo1.7-3.8, FeO/MnO = 28-31, N = 11), augite exsolution lamellae (Fs26.5-37.6Wo39.2-43.4, FeO/MnO = 28-31, N = 8), subcalcic augite (Fs43.5-44.2Wo 34.8-34.9, FeO/MnO = 37-39, N = 2), plagioclase (An88.0-90.3Or0.4-0.6, N = 4). Classification: Eucrite (monomict breccia, microgabbroic). Specimens: 23.8 g including one polished thin section at PSF; remainder with Mr. J. Whitcomb. | ||||||||||||||||||||||||||||
Data from: MB110 Table 0 Line 0: |
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Institutions and collections |
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011) UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024) |
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Catalogs: |
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References: | Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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