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Northwest Africa 15149 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 15149 This is an OFFICIAL meteorite name. Abbreviation: NWA 15149 Observed fall: No Year found: 2022 Country: (Northwest Africa) Mass: 20.2 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 236 approved meteorites classified as Eucrite-br. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 23 Jul 2022 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 15149 (NWA 15149) (Northwest Africa) Purchased: 2022 Classification: HED achondrite (Eucrite, brecciated) History: The meteorite was purchased by Mr. Salamu Ali from a group of meteorites hunters in Nouadhibou, Mauritania in 2022 and donated to the Museum für Naturkunde Berlin (MNB). Physical characteristics: Dark grayish fragment without fusion crust. Petrography: The meteorite displays a dark grayish interior and is a breccia composed of up to 2 mm sized basaltic, black melt, and abundant mineral clasts in a more fine-grained clastic and partly shock molten matrix. Predominant minerals are exsolved pyroxene and calcic plagioclase. Minor phases include silica, chromite, FeS, apatite, and ilmenite. No metallic iron was found. Contains secondary calcite and barite. Geochemistry: low-Ca pyroxene: Fs58.8±0.2Wo2.2±0.2 (Fs58.6-59.4Wo2.0-2.7, FeO/MnO=29-31, n=10); Ca-pyroxene: Fs26.1±1.0Wo43.2±0.9 (Fs25.1-28.6Wo40.7-44.2, FeO/MnO=27-32, n=10); calcic plagioclase: An90.5±0.7 (An89.6-91.7, n=10) | ||||||||||||||||||||||||||||
Data from: MB111 Table 0 Line 0: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 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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