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.
Stratigraphy and lithology
Section editor – PhD in geology and mineralogy Kirichkova A.I.
Article # 37_2019 submitted on 08/12/2019 displayed on website on 11/05/2019
20 p.
pdf Late Tournaisian shallow-water sequenses of the eastern part of Timan-Pechora Province (Kozhva River)
The shallow-water Upper Tournaisian sequences of the eastern part of Timan-Pechora petroleum Province were studied with biostratigraphical (based on foraminifers, conodonts, and brachiopods) and isotope stratigraphical methods. Poor conodont associations containing Siphonodella obsoleta Hass and S. cooperi Hass are characteristic of this stratigraphic interval in the shallow-water facies. Foraminifer associations are very variable: some of them are composed of numerous late Tournaisian species (Kozhva River section), but some associations comprise just species of wide stratigraphic range. The prominent global positive shift in the carbonate carbon isotope record marks the upper Tournaisian in the region. This shift is considered as reliable stratigraphical marker.

Keywords: shallow-water sequence, Lower Carboniferous, Upper Tournaisian, biostratigraphy, isotope stratigraphy, Timan-Pechora petroleum Province.
article citation Zhuravlev A.V., Vevel Ya.A., Plotitsyn A.N., Erofeevsky A.V., Lukin V.Yu. Pozdneturneyskie melkovodnye otlozheniya vostoka Timano-Pechorskoy provintsii (r. Kozhva) [Late Tournaisian shallow-water sequenses of the eastern part of Timan-Pechora Province (Kozhva River)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2019, vol. 14, no. 4, available at: http://www.ngtp.ru/rub/2019/37_2019.html
DOI https://doi.org/10.17353/2070-5379/37_2019
References

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   Durkina A.V. O zonal'nom raschlenenii pogranichnykh otlozheniy nizhne-verkhneturneyskogo pod"yarusov po foraminiferam i o granitse mezhdu nimi v Timano-Pechorskoy provintsii [About foraminiferal zonation and boundary of the lower-upper Tournaisian of the Timan-Pechora province]. Biostratigrafiya neftegazonosnykh basseynov: Tr. 1-go Mezhdunarodnogo simpoziuma. St. Petersburg: VNIGRI, 1997, pp. 70–75.
   Eremenko N.M., Zhuravlev A.V., Iosifidi A.G., Popov V.V., Khramov A.N., Vevel Ya.A., Nickolaev A.I. Razrez verkhnego devona – nizhnego karbona na r. Talota (Timano-Pechorskaya provintsiya) - rezul'taty litologicheskikh, biostratigraficheskikh i paleomagnitnykh issledovaniy [Upper Devonian - Lower Carboniferous key sequence on the Talota river, Timan-Pechora province - results of lithologic, biostratigraphic and paleomagnetic researches]. Neftegazovaya Geologiya. Teoriya I Praktika, 2009, vol. 4, no. 4, available at: http://www.ngtp.ru/rub/2/45_2009.pdf
   Eremenko N.M., Zhuravlev A.V., Iosifidi A.G., Popov V.V., Khramov A.N., Vevel Ya.A., Nickolaev A.I. Razrez verkhnego devona – nizhnego karbona na r. Talota (Timano-Pechorskaya provintsiya) - rezul'taty litologicheskikh, biostratigraficheskikh i paleomagnitnykh issledovaniy / Prilozhenie [Upper Devonian - Lower Carboniferous key sequence on the Talota river, Timan-Pechora province - results of lithologic, biostratigraphic and paleomagnetic researches]. Neftegazovaya Geologiya. Teoriya I Praktika, 2009, vol. 4, no. 4, available at: http://www.ngtp.ru/rub/2/45prilojenie_2009.pdf
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   Sokol'skaya A.N. Brahiopody osnovaniya Podmoskovnogo karbona i perekhodnyh devonsko-kamennougol'nyh otlozhenij (Chernyshinskie, Upinskie i Malevsko-Muraevninskie sloi) [Brachiopods of the base of the Carboniferous of the Moscow region and transitional Devonian-Carboniferous boundary deposits (Chernysh, Upian and Malevska-Muraevna levels)]. Patr. 1. Spiriferidae. Moscow: Izd-vo AN SSSR, 1941, 138 p. (Trudy Paleontologicheskogo instituta, vol. 12, no. 2).
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   Zhuravlev A.V. Tafonomiya konodontovykh elementov v usloviyakh melkovodnogo karbonatnogo shel'fa na primere nizhnego karbona vostochnoy chasti Timano-Pechorskogo basseyna [Taphonomy of conodont elements in the environments of shallow-water Carbonate shelf – the Lower Carboniferous of the eastern part of Timan-Pechora basin as example]. Neftegazovaya Geologiya. Teoriya I Praktika, 2019, vol. 14, no. 1, available at: http://www.ngtp.ru/rub/2019/5_2019.html. DOI: https://doi.org/10.17353/2070-5379/5_2019
   Zhuravlev A.V., Vevel Y.A. Pozdneturneyskoe sobytie v razrezakh Kos'yu-Rogovskoy vpadiny i ee obramleniya (Timano-Pechorskaya provintsiya) [The late Tournaisian Event in the successions of the Kosyu-Rogovaya Depression and adjacent areas (Timan-Pechora Province) ]. Neftegazovaya Geologiya. Teoriya I Praktika, 2018, vol. 13, no. 1, available at: http://www.ngtp.ru/rub/2/3_2018.pdf. DOI: https://doi.org/10.17353/2070-5379/3_2018


Stratigraphy and lithology
Section editor – PhD in geology and mineralogy Kirichkova A.I.
Article # 25_2019 submitted on 06/18/2019 displayed on website on 08/02/2019
27 p.
pdf Conodonts of the Devonian-Carboniferous boundary deposits of the Kozhim River key section (Subpolar Urals)
A new version of conodont biostratigraphy (based on compilation of new author’s and published materials) of Tournaisian part of the Kozhim River key section is given. The zones/subzones expansa, sulcata, Lower duplicata, Upper duplicata-sandbergi, quadruplicata and isosticha are characterized. The bases of all zonal subdivisions except for sulcata and duplicata Zones are shifted (compared to the latest versions of zonal biostratigraphy). The most reliably diagnosed zones (the base of the sulcata, duplicata, and quadruplicata Zones) are established in carbonate graded cycles (calciturbidites). The deposits of the terminal Famennian are very conditionally compared with the Lower and lower part of the Middle praesulcata Zones according to the position in the section. Absence of deposits of the upper part of the Middle and Upper praesulcata Zones suggests the presence of erosion on the D/C boundary interval. The presence of erosion on the D/C boundary interval doesn’t allow using the Kozhim River section as a key section of the stratigraphic boundary (in accordance with the tasks and rules of studying and describing the key stratigraphic sections developed by an interdepartmental stratigraphic committee). However, formally this section can be used as a key section of the structural-facial zone due to the fact that it is the most studied, and by the availability of outcrops, it exceeds all sections within the development of deep-shelf deposits of the Kozhim intra-shelf palaeodepression.

Keywords: conodonts, biostratigraphy, Famennian, Tournaisian, key section, Subpolar Urals.
article citation Plotitsyn A.N., Vevel Ya.A. Biostratigrafiya verkhnedevonsko-nizhnekamennougol'nykh otlozheniy opornogo razreza na r. Kozhim (Pripolyarnyy Ural) po konodontam [Conodonts of the Devonian-Carboniferous boundary deposits of the Kozhim River key section (Subpolar Urals)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2019, vol. 14, no. 3, available at: http://www.ngtp.ru/rub/2019/25_2019.html
DOI https://doi.org/10.17353/2070-5379/25_2019
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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
References
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Bushnev D.A Organicheskoe veshchestvo Ukhtinskogo domanika. [Organic Matter of the Ukhta Domanik]. Doklady Earth Sciences, 2009, vol.426, no. 4, p. 677–680.
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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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