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Northwest Africa 14872 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14872 This is an OFFICIAL meteorite name. Abbreviation: NWA 14872 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 48 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 185 approved meteorites classified as CR2. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), and CR chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 9 May 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 14872 (NWA 14872) (Northwest Africa) Purchased: 2021 Classification: Carbonaceous chondrite (CR2) History: The meteorite was purchased from a meteorite dealer in Algeria. Physical characteristics: Dark brownish rock with some fusion crust. Petrography: The meteorite is composed of abundant large, mostly porphyritic type I chondrules (apparent mean diameter about 750 µm) set into a fine-grained iron-rich matrix. Few type II chondrules and one CAI have been detected. Type I chondrules are often metal-decorated and contain abundant metal blebs. Contains up to 500 µm sized matrix lumps. Sulfides are present in type II chondrules and the matrix. Geochemistry: olivine in type I chondrules: Fa1.7±1.2 (Fa0.7-4.1, Cr2O3: 0.46±0.11 wt%, n=18; low-Ca pyroxene: Fs1.8±1.2Wo1.0±0.2 (Fs0.7-3.8Wo0.8-1.5, n=14); olivine in type II chondrules: Fa26.8±11.2 (Fa12.0-44.6, n=10). Matrix analyses yield FeO=32.4±1.4 wt% and an average total of 85.2.7±1.1 wt% (5 µm defocused beam, N=6), the latter indicating the presence of hydrous minerals. | ||||||||||||||||||||||||||||||
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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Photos: |
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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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