Stratigraphy and lithology
| Article # 20_2026 | submitted on 06/23/2026 displayed on website on 08/03/2026 |
| 19 p. | Zhuravlev A.V., Vevel Ya.A., Ivanova R.M. |
| Isotope stratigraphy of the Upper Visean substage of the Lower Carboniferous in the Vorkuta transverse uplift | |
| A comprehensive biostratigraphic and isotope-stratigraphic characterization of the lower part of the Sartyu Formation (Upper Visean substage, Timan-Pechora petroleum province) has been conducted. Based on conodonts and foraminifera, calcareous algae the studied part of the succession has been correlated with the Tula and Aleksin levels. Three negative δ13Ccarb excursions (VN1–VN3) have been identified, and their correlation with the foraminiferal zones has been established. VN1 can be correlated with the middle part of the Tula level, VN2 approximately coincides with the base of the Aleksin level, and VN3 marks its upper part. These excursions, in combination with biostratigraphic data, can be used for both regional and global correlation. Keywords: isotope stratigraphy, Upper Visean substage, foraminifera, conodonts, calcareous algae, Vorkuta transverse uplift, Timan-Pechora petroleum province. |
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| article citation | Zhuravlev A.V., Vevel Ya.A., Ivanova R.M. Isotope stratigraphy of the Upper Visean substage of the Lower Carboniferous in the Vorkuta transverse uplift. Neftegazovaya Geologiya. Teoriya I Praktika, 2026, vol. 21, no. 3, available at: https://www.ngtp.ru/rub/2026/20_2026.html EDN: KAGBQV |
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Ivanova R.M. Calcareous algae of the carboniferous of the Urals. Ekaterinburg: RIO Ural Branch of the Russian Academy of Sciences, 2013, 244 p. (In Russ.).
Ivanova R.M., Stepanova T.I. Algoflora and microflora of the Lower Carboniferous of the Urals and adjacent territories. Ekaterinburg: RIO Ural Branch of the Russian Academy of Sciences, 2021, 264 p. (In Russ.). EDN: NYAGUF
Kostygova P.K. Pechora paleobasin in the Visean and Serpukhovian ages and foraminifera of the Lower Visean. St. Petersburg: Publishing house of the St. Petersburg Cartographic factory VSEGEI, 2004, 204 p. (In Russ.). EDN: QKMRTP
Kulagina E.I., Gibshman N.B., Stepanova T.I., Ponomareva G.Yu., Filimonova T.V., Zaytseva E.L., Vevel Y.A., Ivanova R.M., Isakova T.N. Late Visean foraminifera sequence of the East European Platform (borehole 401 Syzran) as a basis for the zonal scale of Russia. Geologicheskii vestnik, 2025, no. 3, p. 24-50. (In Russ.). DOI: 10.31084/2619-0087/2025-3-2
Malysheva E.O., Gorbunova S.A., Doronina M.S. Ul'yanov G.V. Isotopic composition of carbon and oxygen in Paleozoic carbonate strata of the Pechora Sea. Lithosphere (Russia), 2026, vol. 26, no. 1, pp. 100-121. (In Russ.). DOI: 10.24930/2500-302X-2026-26-1-100-121
Mamet B., Roux A. Dasycladales dévoniennes et carbonifères de la Téthys occidentale. Revista Española de Micropaleontología, 1975, vol. 7, no. 2, pp. 245-295.
Rauser-Chernousova D.M. Foraminifera and stratigraphy of the Visean and Namurian stages of the central part of the Russian platform and the Pre Urals. Stratigraphy and foraminifera of the Lower Carboniferous of the Russian Platform and the Urals. Moscow: Publishing House of the USSR Academy of Sciences, 1948, pp. 102-142. (In Russ.).
Richards B.C. Current status of the International Carboniferous Time Scale. New Mexico Museum of Natural History and Science, 2013, bull. 60, pp. 348-353.
State Geological Map of the Russian Federation, scale 1:200,000, sheet Q-41-V, VI (second edition). M.A. Shishkin, O.N. Malykh, P.E. Popov, L.S. Kolesnik. Moscow: MF VSEGEI, Ministry of Natural Resources of the Russian Federation, CJSC MIREKO, 2013. (In Russ.).
Stratigraphic Schemes of the Urals: Precambrian and Paleozoic. Ekaterinburg: Interdepartmental Stratigraphic Committee of Russia, 1993, 152 p. (In Russ.).
Wang W., Hu K., Wang X. Temporal and spatial evolution of Mississippian conodonts: A case study. Palaeogeography, Palaeoclimatology, Palaeoecology, 2025, vol. 661, p. 112701. DOI: 10.1016/j.palaeo.2024.112701
Zhaimina V.Ya., Mustapaeva S.N. The boundary of the Tournaisian and Visean stages and the volume of the Visean stage in the Greater Karatau (Southern Kazakhstan). Izvestiya NAN RK. Seriya geologii i tehnicheskih nauk, 2016, no. 4, pp. 5-17. (In Russ.)
Zhuravlev A.V. Stratigraphy of the Upper Devonian - Lower Carboniferous of south-west of Lyzha-Kyrtael swell (Pechora Plate eastward). Neftegazovaya Geologiya. Teoriya I Praktika, 2023, vol. 18, no. 1, available at: http://www.ngtp.ru/rub/2023/8_2023.html (In Russ.). EDN: XNYUAF
Zhuravlev A.V., Vevel Y.A., Gruzdev D.A., Erofeevsky A.V. Late Mississippian (early Serpukhovian) carbon isotope record of northern Laurussia: A proposal for the Viséan/ Serpukhovian boundary. Revista Mexicana de Ciencias Geológicas, 2023, vol. 40, no. 1, pp. 35-43. DOI: 10.22201/cgeo.20072902e.2023.1.1722
Zhuravlev A.V., Vevel Ya.A., Gruzdev D.A. The Serpukhovian isotope anomaly in inorganic carbon - possible causes and prospects for its application in the stratigraphy of the Timan-Pechora petroleum province. Neftegazovaya Geologiya. Teoriya I Praktika, 2025, vol. 20, no. 1, available at: https://www.ngtp.ru/rub/2025/6_2025.html (In Russ.). EDN: LZGDXD