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Northwest Africa 15433 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 15433 This is an OFFICIAL meteorite name. Abbreviation: NWA 15433 Observed fall: No Year found: 2022 Country: (Northwest Africa) Mass: 636 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 336 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 19 Nov 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 15433 (NWA 15433) (Northwest Africa) Purchased: 2022 Jun Classification: Lunar meteorite (feldspathic breccia) Petrography: (K. Metzler, IfP) Achondritic breccia, consisting of mineral fragments (mainly pyroxene, olivine, and plagioclase) and subrounded lithic clasts up to ~1 cm (microgabbros and impact melt rock units), set in a compacted fine-grained matrix of related material. Impact melt spherules occur. Accessories are ilmenite, troilite, and Ni-bearing metal. Geochemistry: Mineral compositions and geochemistry: Mean olivine composition: Fa45.9±4.2 (Fa41.0-56.5); mean Fe/Mn (at.): 106; n=12. Mean pyroxene composition: Fs33.2±8.5 Wo19.1±11.9 (Fs13.6-46.1Wo6.5-38.5); mean Fe/Mn (at.): 73; n=14. Mean plagioclase composition: An96.2±0.9 Or0.0±0.1 (An94.9-97.5Or0.0-0.1); n=11. | ||||||||||||||||||||||||||||||
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 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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