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| Northwest Africa 14055 | |||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 14055 This is an OFFICIAL meteorite name. Abbreviation: NWA 14055 Observed fall: No Year found: 2020 Country: Morocco Mass:  280 g | ||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 2027 approved meteorites (plus 4 unapproved names) classified as L4. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
| Comments: | Approved 21 Jun 2021 | ||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 110:
Northwest Africa 14055 (NWA 14055) Morocco Purchased: 2020 Jan Classification: Ordinary chondrite (L4) History: Purchased from a Moroccan dealer at the Tucson show Physical characteristics: (R. Szczuczko) A small blocky stone with black to brown matt fusion crust with regmaglypts on one surface while the others surfaces are relatively fresh, light to tan brown in color with numerous chondrules. The interior is medium brown with minor fractures, very abundant chondrules and metal flecks. Petrography: (C. Herd, UAb) Optical examination of a thin section shows well-defined chondrules, but no preserved chondrule glass. Low-Ca pyroxene is monoclinic. Olivine has sharp optical extinction with <2° angular variation. Geochemistry: (C. Herd and A. Locock, UAb) Data obtained by EMP examination of carbon-coated probe mount: Olivine Fa24.6±1.0 (n=66); Low-Ca Pyroxene Fs20.3±2.8Wo1.1±0.8 (n=38). Classification: Ordinary chondrite, L4 Specimens: Type specimen consisting of 3 fragments totaling 20.2 g is at UAb. Main mass, polished mount and thin section with the owner. | ||||||||||||||||||||||||||||||
| Data from: MB110 Table 0 Line 0: |
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| Institutions and collections |
UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 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:
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Statistics: This is 1 of 2003 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||