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Northwest Africa 14592 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14592 This is an OFFICIAL meteorite name. Abbreviation: NWA 14592 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 8.24 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 522 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 29 Jan 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 14592 (NWA 14592) (Northwest Africa) Purchased: 2021 Classification: HED achondrite (Diogenite) History: Purportedly found in August 2021 in Safia area in Mali. Petrography: (K. Metzler, IfP) Unbrecciated achondrite (orthopyroxenite) with recrystallized texture, consisting of Ca-poor pyroxene grains (up to ~3 mm in size) with small amounts of olivine and chromium spinel. Accessories are troilite and Ni-free metal. No feldspar was found in the investigated thin section. Geochemistry: Mineral compositions and geochemistry: Pyroxene composition: Fs23.5±0.5Wo2.1±0.1 (Fs22.7-24.0Wo1.9-2.3); mean Fe/Mn (at.): 30.3; n=15. Olivine composition: Fa26.0±1.3 (Fa24.7-27.5); Fe/Mn (at.): 43.8; n=5. Composition of chromium spinel (atomic): Cr/(Cr+Al)=0.77-0.78; Mg/(Mg+Fe)=0.26-0.29; TiO2=0.8-0.9 wt%; n=3. Classification: Diogenite, based on texture and mineral compositions. | ||||||||||||||||||||||||||||||
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 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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