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Northwest Africa 14594 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14594 This is an OFFICIAL meteorite name. Abbreviation: NWA 14594 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 29 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 27 approved meteorites classified as Lunar (melt breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 29 Jan 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 14594 (NWA 14594) (Northwest Africa) Purchased: 2021 Classification: Lunar meteorite (melt breccia) Petrography: (K. Metzler, IfP) Achondritic breccia, consisting of lithic clasts (up to 10 mm) and mineral fragments (plagioclase, Ca-poor and Ca-rich pyroxenes, and olivine) set in a partly vesicular crystallized melt. Lithic clast are mainly subrounded fragments of clast-rich melt brecias. Accessories are ilmenite and troilite. Geochemistry: Mineral compositions and geochemistry: Ca-poor pyroxene: Fs30.2±3.0Wo7.5±1.3 (Fs23.7-33.6Wo4.7-8.8); mean Fe/Mn (at.): 59.1; n=8. Ca-rich pyroxene: Fs18.0±1.8Wo32.6±1.2 (Fs16.7-19.3Wo31.8-33.5); mean Fe/Mn (at.): 51.5; n=2. Olivine: Fa37.5±0.3 (Fa37.1-37.9); mean Fe/Mn (at.): 103.8; n=9. Plagioclase An96.7±0.8Or0.1±0.1 (An95.9-98.8Or0.0-0.4); n=13. Classification: Lunar (melt breccia), based on texture and mineral chemistry | ||||||||||||||||||||||||||||||
Data from: MB111 Table 0 Line 0: |
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Institutions and collections |
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012) |
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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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