Lithofacial and paleogeographic analysis of the Burdigallian-Langhian formations of the Ukrainian Carpathian Foredeep


Abstract

This paper addresses issues related to the complexity of the geological structure of the Burdigallian-Langhian sediments of the Stebnyk suite, which wereformed in the Carpathian segment of Paratethys. The correlation of stratigraphic sections, based on a detailed description of the most complete sediments of the indigenous outcrops of the Stebnyk suite in the Sambir Unit of the Pre-Carpathian Foredeep, has been carried out. It was established that the sediments belong to a single tectono-sedimentation cyclic, the formation of which began with the deposition of red-coloured sediments and ended with the deposition of salt-bearing formations, which indicates the final closure of the Paratethys. A series of lithological columns was constructed taking into account the disjunctive and plicating faults, which allowed us to derive the true thickness of the Stebnyk suite deposits and determine its lithofacial structure. The results obtained became the basis for the construction of a lithological scheme for the distribution of lithofacies and a paleooceanographic sedimentation model of the research area. The aim of this work is to create a reconstruction of the environment of sedimentation in the Burdigallian-Langhian Age in the Sambir Unit of the Inner part of the Pre-Carpathian Foredeep. To obtain the results, the actual material obtained during the field observations was analyzed with the help of a complex of lithology-facial, geodynamical and petrographic methods. Due to the absence of the reliable paleontological data on deposits of the Miocene Stebnyk suite of the PreCarpathian basin, an attempt was made to partition the Stebnyk sedimentary sequence on lithological and formation features, basedon the author's research and with incorporation of new materials of paleooceanography of the Carpathian segment of the Paratethys. On the basis of paleooceanographic data, connected with formation of sedimentary strata of Stebnyk suite (Carpathian basin), the latter can be attributed to the red-coloured formation of foothill plains and deltas. Taking into account the data of the researchers and their own observations, one can come to the conclusion that the age of the sediments, mapped on existing geological maps as Vorotyshcha suite in considerable areas of Sambir Unit (near the villages of Krasne, Pidlyvche, Lysovychi) is questionable. This conception required the stratification of deposits formed on the stage of sedimentogenesis in the Miocene within the studied segment of the Central Paratethys. For the first time for depositions of this age, the scheme of the palaeoceanographic situation and a lithological-facial model of the sedimentation environment with the reduction of the true thickness of sediments was constructed. The Burdigallian-Langhian deposits were formed under conditions of lacustrine-alluvial plains of arid climate, symbolizing the final closure of the Central Paratethys. The presence of a detailed model for the formation of Burdigallian-Langhian deposits allows us to identify a number of criteria for the search for minerals.

Author Biographies

O. M. Cheremisska
Institute of Geology and Geochemistry of Combustible Minerals of NASU
Yu. V. Cheremissky
Institute of Geology and Geochemistry of Combustible Minerals of NASU

References

1. Andreyeva-Grigorovich A., Kulchytsky Ya, Gruzman A., Lozynyak P., Petrashkevich M., Portnyagina L., Ivanina A., Smirnov S., Trofimovich N., Savitskaya N., Shvareva N., 1997. Regional stratigraphic scheme of Neogene formations of the Central Paratethys in the Ukraine. Geologica Carpathica, Vol. 48(2), 123 – 136 (in English).
2. Bubniak I., Bubniak A., Kilyn I., Popp I., 2001. Strukturno-sedymentolohichni doslidzhennia dobrotivskykh vidkladiv Peredkarpatskoho prohynu (raion Nadvirnoi)[ Structural and sedimentological studies of the Dobtorian deposits of the Pre-Carpathian foredeep (Nadvyna region)]. Pratsi Nauk. tov-va im. Shevchenka. Heol. zb., 5, 84-93 (in Ukrainian).
3. Burov V. S., 1971. Negenovye otlozhenija Predkarpat'ja [Neogene deposits of the Precarpathian region]. Geologicheskoe stroenie i gorjuchie iskopaemye Ukrainskih Karpat. Naukova dumka, Kyiv (in Russian).
4. Vjalov O. S., 1966. Sledy zhiznedejatel'nosti organizmov i ih paleontologicheskoe znachenie [Traces activity of organisms and their paleontological value]. Naukova dumka, Kyiv (in Russian).
5. Vyalov O., 1965. The stratigraphy of the Miocene molasses of the Precarpathian area[The stratigraphy of the Miocene molasses of the Precarpathian area]. Naukova dumka, Kyiv (in Russian).
6. Hlushko V. V., 1995. Problemni pytannia Karpatskoho rehionu [Problematic issues of the Carpathian region]. Vydavnychyi tsentr Lviv. un-tu, Lviv (in Ukrainian).
7. Hozhyk P., Semenenko V., Andreieva-Hryhorovych A., Maslun N., 2013. Koreliatsiia rehioiarusiv neohenu Tsentralnoho i Skhidnoho Paratetysu (Ukrainy, Rosii, Azerbaidzhanu, Hruzii) [Correlation of the Neogene regeneration of Central and Eastern Paratethys (Ukraine, Russia, Azerbaijan, Georgia)]. Heoloh Ukrainy, 2, 36—60 (in
Ukrainian).
8. Gurzhij D. V., 1966. Litologija molass Predkarpat'ja [Lithology of Precarpathian molasses]. Naukova dumka, Kyiv (in Russian).
9. Koltun V. I., 1959. Litolohiia stebnytskykh vidkladiv pivnichno-zakhidnoi chastyny Radianskoho Peredkarpattia [Lithology of the Stebnyk's deposits of the northwestern part of the Soviet Precarpathians]. Vydav. AN URSR, Kyiv (in Ukrainian).
10. Kul'chickij Ja. O., 1961. Osnovnye cherty tektoniki [Main features of tectonics]. Geologija i poleznye iskopaemye Ukrainskih Karpat. Ch. ІІ. Izd. L'vov. un-ta, Lviv. (in Russian).
11. Ladyzhenskij N.R., 1961. Geologicheskoe stroenie i gazonosnost' Sovetskogo Predkarpat'ja [Geological structure and gas content of the Soviet Precarpathians]. Gostoptehizdat, Moscwa (in Russian).
12. Lazarenko Ye. K., 1962. Mineralohiia osadochnykh utvoren Prykarpattia [Mineralogy of sediments of the Precarpathians]. Vydavnychyi tsentr Lviv. untu, Lviv (in Ukrainian).
13. Petrunjak M. D., 1977. Prostranstvennaja lokalizacija medictyh peschanikov v Prikarpat'e [Space localization of the copper sandstones in the Precarpathians]. Mineralogija osadochnyh obrazovanij, Vyp. 4 (in Russian).
14. Petruniak M. D., 2013. Autyhenni mineraly osadovoho tsyklu v Peredkarpatti, yikh zonalnyi rozpodil ta stadiinist yikh formuvannia [Authigenic minerals of the sedimentary cycle in the Precarpathian, their zonal distribution and stages of their formation]. «Suchasni problemy heolohii». Kyiv (in Ukrainian).
15. Petruniak O. M., 2012. Osoblyvosti mineralnoho skladu miotsenovykh hlyn stebnytskoi svity Ukrainskykh Karpat [Mineralogical composition of the Miocenic clays from the Stebnik’s suite of the Ukrainian Carpathians]. Min. Zb, 62(1) (in Ukrainian).
16. Perel'man A. I., 1972. Geohimija jelementov v zone gipergeneza. Geochemistry of the elements in the zone of hypergenesis .Nedra, Moscwa (in Russian).
17. Popov S., Ahmet'ev M., Lopatin A. i dr., 2009. Paleogeografija i biogeografija bassejnov Paratetisa. Chast' 1. Pozdnij jeocen-rannij miocen [Paleogeography and biogeography of the Parathethys basins. Part 1. Late Eocene-early Miocene]. Nauchnyj mir, Moscwa (in Russian).
18. Senkovskyi Yu., Hryhorchuk K., Hnidets V., Koltun Yu., 2004. Heolohichna paleookeanohrafiia okeanu Tetis [Geological paleooceanography of the Thetis Ocean]. Naukova dumka, Kyiv (in Ukrainian).
19. Shakin, V., Burov, V., Vialov, O., Glushko, V., Kruglov, S., Petrashkevich, M., Temnjuk, M., 1976. Geologicheskaja karta Ukrainskih Karpat i prilegajushhih progibov [Geological map of the Ukrainian Carpathians and adjoining areas 1:200 000]. KyivGeologia, Kyiv (in Russian).
20. Ushakov S. A., Jasamanov N. A., 1984. Drejf materikov i klimaty Zemli [Continental drift and Earth climates]. Mysl', Moscwa (in Russian).
21. Hrushhev D. P., Kompanec G.S., 1988. Litologija galogennyh i krasnocvetnyh formacij Predkarpat'ja[Lithology of halogenic and red coloured formations of the Precarpathians]. Naukova dumka, Kyiv (in Russian).
22. Bujalski B., 1930. Budova geologiczna przedgórza Karpat Wchodnich między Łukwią a Rybnicą [The geological structure of the foothills of the Eastern Carpathians between the rivers Lukva and Rybnica. Spr. P.I.G, Warszawa, VI(2) (in Polish).
23. Dercourt J., Gaetani M., Vrielynck B., Barrier E., BijuDuval B., Brunet M.F., Cadet J.P., Crasquin S., Sandulescu M. (eds)., 2000. Atlas Peri-Tethys paleogeographical maps. CCGM/CGMW, Paris.
24. Golonka J., 2000. Cambrian-neogen : plate tectonic maps. Wyd 1. Kraków b Wydawn. Uniwersytetu Jagiellonskiego.
25. Golonka J., Oszczypko N., Slączka A., 2000. Late Carboniferous-Neogene geodynamic evolution and paleogeography of the circum - Carpathian region and adjacent areas. Annales Societatis Geologorum Poloniae, T. 70, 107-136.
26. Ney R., 1968. The role of the Krakow’s rigle in geology of the Carpathian Foredeep and distribution of brine and gas [The role of the Krakow’s rigle in geology of the Carpathian Foredeep and distribution of brine and gas]. Geology publishing, Warsaw (in Polish).
27. Oszczypko N., 2006. Powstanie i rozwój polskiej części zapadliska przedkarpackiego[Establishment and development of the Polish part of the PreCarpathian foredeep]. Przegląd Geologiczny, 54(5), 396-403 (in Polish).
28. Oszczypko N., Uchman A., Bubniak I., 2012. Foreland provenance of thick conglomerates in the early stage of the Carpathian Foredeep development: the case of the Sloboda Conglomerate (Lower Miocene), western Ukraine. Geological Quarterly, 56(4), 393–408.
29. Oszczypko N., Uchman A., Bubniak I., 2014. The Dobrotiv Formation (Miocene) in the BoryslavPokuttya and Sambir nappes of the Ukrainian Carpathians: a record of sedimentary environmental change in the development of the Carpathian Foredeep Basin. Geological Quarterly, 58( 3), 393–408.
30. Tołwinśki K., 1927. Z geologji południowej strefy przedgórza polskich Karpat Wchodnich [From the geology of the foothills of the southern zone of thе Eastern Polish Carpathians]. Spr. P.I.G., Warszawa, IV(1-2) (in Polish).
31. Van Houten F.B., 1964. Origin of red beds-unsolved problems. Problems of Paleoclimatology. Interscience Publishers, London (in English).
32. Zuber R., 1883. Studia geologiczne we Wschodnich Karpatach [Geological studies in the Eastern Carpathians. Cz.II. Kosmos, Lwów (in Polish).
Published
2019-04-16