Affiliation:
1. Institute of Geology – Subdivision of the Ufa Federal Research Centre RAS
Abstract
Research subject. Oil-bearing deposits of the Middle-Upper Devonian in the Ayazovo oil field located in the north-east of Bashkiria.Materials and methods. A detailed description and subdivision of the section were carried out based on the borehole cores of the Rustamovskaya area using biostratigraphic and lithofacial analysis, micropalaeontology of spores and conodonts.Results. The sediments of the Pashian, Timan, Sargaevo, Domanic and Mendym horizons are identified, their lithofacial features are described, and sedimentation conditions are determined.Conclusions. The studied succession of the Devonian sediments demonstrates cyclical changes in terrigenous and carbonate shelf sedimentation environments caused by eustatic sea level change and complicated by the tectonic events associated with the formation of uplifts and troughs of the Kama-Kinel system at the end of the Frasnian.
Subject
Stratigraphy,Geochemistry and Petrology,Geology,Geophysics
Reference34 articles.
1. Artyushkova O.V., Tel’nova O.P., Mizens L.I., Mizens A.G. (2022) The frst fnding of Skeletognathus norrisi in association with higher plant spores and brachiopods in the Givetian-Frasnian boundary deposits drilled by borehole No. 8 Tsarichanskaya (East Orenburg uplift, Russian Platform). Lithosphere (russia), 22(4), 432-447. (In Russ.) https://doi.org/10.24930/1681-9004-2022-22-4-432-447
2. Baymukhametov K.S., Gainullin K.Kh., Syrtlanov A.Sh., Timashev E.M. (1997) Geological structure and development of the Arlan oil feld. Ufa, Bashneft’ Publ., 368 p.
3. Decision of the Interdepartmental Regional Stratigraphic Meeting on the Middle and Upper Paleozoic of the Russian Platform with regional stratigraphic schemes. Devonian system. (1990) (Ed. by M.A. Rzhonsnitskaya, V.F. Kulikova). Leningrad, VSEGEI, 58 p. (In Russ.)
4. Dunham R.J. (1962) Classifcation of carbonate rocks according to depositional texture. Classifcation of Carbonate rocks. (Ed. by W.E. Ham). V. 1. Tulsa, AAPG Memoir, 108-121.
5. Flügel E. (2010) Microfacies of carbonate rocks. Berlin, Springer-Verlag, 984 p.
Cited by
1 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献