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Nuevo reporte de radiolarios en el yacimiento Canasí, Cuba Occidental  [New radiolarian report in the Canasi Deposit, western Cuba]

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Alternate Title:New radiolarian report in the Canasi Deposit, western Cuba
Authors:Pérez-Machado-Milán, Osmany; Dupuig-González, Yilian; Florez-Abín, Emilio; Díaz-Díaz, Sandra P.
Author Affiliations:Primary:
Centro de Investigación del Petróleo, La Habana, Cuba
Other:
Universidad de Pinar del Río, Cuba
Volume Title:Minería y Geología
Source:Minería y Geología, 31(3), p.1-10. Publisher: Instituto Superior Minero Metalurgico, Holguin, Cuba. ISSN: 0258-5979
Publication Date:2015
Note:In Spanish with English summary. 10 refs.; illus., incl. 1 table, sketch map
Summary:Radiolarians, within the siliceous microfossils, constitute one of the most diverse protozoa groups. In general they are in compacted rocks: which makes it difficult to study. To the Northern Strip of the Heavy Crudes (FNCP, acronym in Spanish), the main sealing rocks are the sequences of the Paleocene-Eocene, in which calcareous microfossils are non-existent or very scarce, however, there are plenty of radiolaries. A total of 10 samples were analyzed in the Research Center Bio-stratigraphic Lab. These samples were taken from the Canasi pit 1x of the ore body bearing the same name at an interval of 1 780-2 020 m belonging to the High Vega Formation. The samples correspond to the siliceous-clayey facies in the core area and near the east. The methods implemented included the levigated, the section in suspension and the Scanning electron microscopy. This allowed determining 21 species of radiolaries within the genres of Entapium, Theocosphaera, Spongodiscus, Paracenodiscus, Buryella, Calocycloma, Lychnocanium, Theocotylissa, Dictyoprora, Podocyrtis, Phacodiscus, Conosphaera, Cenosphaera and Dictyomitra. It was possible to restrict the age of the sequence and report for the first time the existence of the Phacodiscus duplus species in Cuba.
Subjects:Biogeography; Calcareous composition; Cenozoic; Electron microscopy data; Eocene; Faunal studies; Foraminifera; Lithofacies; Lower Eocene; Marine environment; Microfossils; Nannoplankton; Paleocene; Paleocirculation; Paleoclimatology; Paleogene; Paleogeography; Plankton; Planktonic taxa; Radiolaria; Reconstruction; Sealing; SEM data; Siliceous composition; Source rocks; Tertiary; Ypresian; Antilles; Caribbean region; Cuba; Greater Antilles; West Indies; Bacunayagua Bay; Canasi Deposit; Entapium; High Vega Formation; Matanzas Cuba; Phacodiscus duplus; Spongodiscus; Theocosphaera; Western Cuba
Coordinates:N230800 N230900 W0813900 W0814100
Record ID:885818-1
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute.
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