Plotitsyn A.N.

anplotitzyn@rambler.ru




Graduated from Syktyvkar State University (2013), specialization "geology".
PhD in geology and mineralogy.
Researcher of Institute of Geology, Komi Science Center, Ural Branch of the Russian Academy of Sciences.
Area of scientific interest: conodonts and stratigraphy of the Upper Devonian and Lower Carboniferous.
Author of more than 20 publications.
Geochemical research
Section editor – PhD in geology and mineralogy Bazhenova T.K.
Article # 37_2018 submitted on 07/24/2018 displayed on website on 10/19/2018
19 p.
pdf Organic geochemistry of the Frasnian sections of the northern Chernyshev Ridge area (Timan-Pechora Basin)
For the first time, data are presented on the geochemistry of organic matter belonging to the Darshor stream section (northern part of the Chernyshev Ridge). Lithologically studied section is represented by siliceous-clay-carbonate rocks with interbedding of fine-grained dark gray to black bituminous limestone. The biostratigraphical data correspond to the upper part of the Sargayev - the lower reaches of the Domanik level of the Frasnian age. The distribution of saturated and aromatic hydrocarbon biomarkers, the isotopic composition of carbon kerogen, bitumoid and its fractions are characteristic for the organic matter of the Domanik Formation of the Timan-Pechora petroleum bearing basin.
The data of the conodonts color indexes as well as a number of geochemical parameters indicate the degree of the middle mesocatagenesis (“oil window”). The studied deposits have a significant generation potential characteristic for the Domanik rocks - Timan-Pechora petroleum basin at these stage of catagenesis.

Keywords: organic matter, Domanik Formation, mesocatagenesis, Chernyshev Ridge, Timan-Pechora petroleum bearing basin.
article citation Burdelnaya N.S., Bushnev D.A., Plotitsyn A.N., Gruzdev D.A. Organicheskaya geokhimiya franskikh otlozheniy severnoy chasti gryady Chernysheva (Timano-Pechorskiy basseyn) [Organic geochemistry of the Frasnian sections of the northern Chernyshev Ridge area (Timan-Pechora Basin)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2018, vol. 13, no. 4, available at: http://www.ngtp.ru/rub/2018/37_2018.html
DOI https://doi.org/10.17353/2070-5379/37_2018
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Stratigraphy and lithology
Section editor – PhD in geology and mineralogy Kirichkova A.I.
Article # 32_2018 submitted on 06/29/2018 displayed on website on 08/28/2018
34 p.
pdf Tournaisian deep-water deposits of the Usa River basin (Polar Urals)
The article presents new data of detailed lithological and paleontological study, and results of stratigraphical investigations of the Tournaisian deep-water deposits of the Malaya Usa River section (Polar Urals). The section is biostratigraphically characterized by conodonts, foraminifers, fishes, and corals. The traces of the Mid-Tournaisian (Lower Alum Shale) Global Event are distinguished. The lithological marker (transgressive clayey beds), biostratigraphical data (FAD of Siphonodella crenulata conodonts), and isotope anomaly (negative shift of б13С) allowed to confidently recognize the Event. The new data fill the gap in the stratigraphical characteristics of the deposits of the base of the Carboniferous System of the Polar Urals and are important for detailing correlation of the tectonically complex sections within the Vorkuta oil and gas bearing complex of the eastern part of the Timan-Pechora Basin. In addition, there are quite rare taxa in the complex of conodonts, which justify the additional paleontological interest to the present work.

Keywords: biostratigraphy, event stratigraphy, conodonts, foraminifers, Tournaisian, Polar Urals.
article citation Plotitsyn A.N., Ponomarenko E.S., Vevel Ya.A. Turneyskie glubokovodnye otlozheniya basseyna r. Usa (Polyarnyy Ural) [Tournaisian deep-water deposits of the Usa River basin (Polar Urals)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2018, vol. 13, no. 3, available at: http://www.ngtp.ru/rub/2/32_2018.pdf
DOI https://doi.org/10.17353/2070-5379/32_2018
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Geochemical research
Section editor – PhD in geology and mineralogy Bazhenova T.K.
Article # 26_2017 submitted on 06/13/2017 displayed on website on 08/18/2017
20 p.
pdf  Famennian organic matter of the southern part of the Chernyshev Ridge (Iz’yayol River section)
The article presents new data on the stratigraphy and formation conditions of the Famennian siliceous-clayey-carbonate section and about the origin and catagenesis of the belonging organic matter of the Chernyshev Ridge on the Iz’yayol River. The investigated rocks, according to the existing paleofacial reconstructions and new lithological and biostratigraphic (conodonts) data, were formed in the deep-water shelf environment of the western slope of the Kozhym intra-shelf palaeodepression in the crepida and marginifera phases. Hydrocarbons generation potential of the deposits is almost completely realized. The new data are important for understanding of the hydrocarbon generation processes, when realizing the potential of source rocks which had entered in the oil window.

Keywords: organic matter, Famennian, siliceous-clayey-carbonate deposits, Chernyshev Ridge.
article citation Bushnev D.A., Plotitsyn A.N., Gruzdev D.A., Burdel’naya N.S. Organicheskoe veshchestvo famenskikh otlozheniy yuzhnoy chasti gryady Chernysheva (razrez na r. Iz"yael') [Famennian organic matter of the southern part of the Chernyshev Ridge (Iz’yayol River section)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2017, vol. 12, no. 3, available at: http://www.ngtp.ru/rub/1/26_2017.pdf
DOI https://doi.org/10.17353/2070-5379/26_2017
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