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Northwest Africa 14328 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14328 This is an OFFICIAL meteorite name. Abbreviation: NWA 14328 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 670 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 52 approved meteorites classified as L-melt rock. [show all] Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 11 Dec 2021 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 110:
Northwest Africa 14328 (NWA 14328) (Northwest Africa) Purchased: 2021 Classification: Ordinary chondrite (L, melt rock) History: The meteorite was purchased from a dealer in Morocco. Physical characteristics: Light brownish rock without fusion crust. Petrography: The igneous rock displays a microporphyritic texture of predominantly 50-300 µm sized olivine and pyroxene grains both mostly showing compositional zoning together with interstitial Si,Al-rich mesostasis. Some compositionally homogeneous olivine and pyroxene crystals are present. Opaque phases are chromite, FeNi metal, and sulfides typically occurring as blebs in the mesostasis. No relict chondrules detected. Geochemistry: zoned olivine: Fa19.7±3.8 (Fa13.4-24.5, n=12); homogeneous olivine: Fa23.0±0.2, n=3; zoned pyroxene: Fs21.3±1.4Wo13.0±11.1 (Fs17.9-24.9Wo2.9-31.8, n=20); homogeneous pyroxene: Fs21.8±0.1Wo3.6±0.1, n=2 | ||||||||||||||||||||||||||||||
Data from: MB110 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., 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 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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