Stratigraphy and lithology
| Article # 33_2023 | submitted on 07/20/2023 displayed on website on 09/06/2023 |
| 22 p. | Sokolova L.V., Nechaev M.S., Kotik I.S. |
| New data about the age of the Dershor Formation (Lower Devonian) on the Chernyshev swell (Timan-Pechora petroleum province) | |
| Lithological and biostratigraphical studies of the stratotyp section of the Lower Devonian Dershor Formation, represented in outcrops in the north of the Chernyshev swell, have been carried out. In the section of the Dershor Formation, a sequence of five conodont associations of different taxonomic structure and age has been established: ass. I c Pelekysgnathus of Early Devonian age, ass. II c Lanea of Middle Lochkovian age, ass. III c Pandorinellina cf. optima of Middle Lochkovian age, ass. IV c Pandorinellina exigua cf. philipi of Late Lochkovian age and ass. V with Pandorinellina cf. paridens of the Late Lochkovian – Pragian age. The species Amydrotaxis cf. chattertoni, Oulodus astriatus, Ozarkodina cf. mashkovae, Zieglerodina cf. paucidentata and Pandorinellina cf. paridens were identified for the first time in the conodont fauna of the Dershor Formation. As a result of the conodonts study from this typical section of Dershor Formation, isolated in the volume of the Ovinparm regional stage, the problem of the presumably younger (Sotchemkyrt) age of the strata of the greater upper part of the Dershor Formation is identified. Keywords: conodont, stratotyp section, Lower Devonian, Dershor Formation, Lochkovian Stage, Ovinparm regional stage, Sotchemkyrt regional stage, Chernyshev swell, Timan-Pechora petroleum province. |
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| article citation | Sokolova L.V., Nechaev M.S., Kotik I.S. Novye dannye o vozraste dershorskoy svity (nizhniy devon) gryady Chernysheva (Timano-Pechorskaya neftegazonosnaya provintsiya) [New data about the age of the Dershor Formation (Lower Devonian) on the Chernyshev swell (Timan-Pechora petroleum province)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2023, vol. 18, no. 3, available at: http://www.ngtp.ru/rub/2023/33_2023.html EDN: XZZCRW |
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Devonskie konodonty Tsentral'nogo devonskogo polya (Russkaya platforma) [Devonian conodonts of the Central Devonian field (Russian Platform)]. V.A. Aristov. Moscow: Nauka, 1988, 120 s.
Drygant D., Szaniawski H. Lochkovian conodonts from Podolia, Ukraine and their stratigraphic significance. Acta Palaeontologica Polonica, 2012, vol. 57, no 4, pp. 833-861. DOI: 10.4202/app.2011.0124
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Gryada Chernyshova: geologicheskoe stroenie i neftegazonosnost' [Chernyshev Ridge: geological structure and petroleum potential]. V.N. Danilov; Filial OOO «Gazproi VNIIGAZ», Ukhta. Saint-Petersburg: Renome, 2017, 287 p.
Ivanov K.S. Metody poiskov i vydeleniya konodontov. Metodicheskie rekomendatsii [Methods of search and selection of conodonts. Methodological recommendations]. Sverdlovsk, 1987, 117 p.
Kirilishina E.M. Konodonty verkhnefranskikh i nizhnefamenskikh otlozheniy Voronezhskoy anteklizy [Conodonts of the Upper Fransian and Lower Famenian deposits of the Voronezh anteclise]. Avtoreferat dis. … kand. geologo-mineral. nauk. Moscow, 2006, 24 p.
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Kuranov A.V. Nevostrebovannye neftegazovye ob"ekty Timano-Pechorskoy provintsii, ikh uglevodorodnyy potentsial i perspektivy vovlecheniya v osvoenie [Unclaimed oil and gas objects in the Timan-Pechora petroleum province: potential and possibilities of involving them in the development]. Neftegazovaya Geologiya. Teoriya I Praktika, 2015, vol. 10, no. 1, available at: http://www.ngtp.ru/rub/4/8_2015.pdf DOI: 10.17353/2070-5379/8_2015
Lu J., Guo W., Wang Y., Xu H. The first discovery of Lochkovian (Lower Devonian) conodonts in central Guangxi, South China and its geological implications. Journal of Paleontology, 2023, vol. 97, no. 2, pp. 1-13. DOI: 10.1017/jpa.2023.2
Mathieson D., Mawson R., Simpson A.J., Talent J.A. Late Silurian (Ludlow) and Early Devonian (Pragian) conodonts from the Cobar Supergroup, western New South Wales, Australia, Bulletin of Geosciences, 2016, vol. 91, no. 3, pp. 583-652. DOI: 10.3140/bull.geosci.1593
Mavrinskaya T.M., Artyushkova O.V. Conodont characteristic of the Lochkovian-Pragian boundary interval in the Mindigulovo section (western slope of the Southern Urals). Palaeobiodiversity and Palaeoenvironments, 2017, vol. 97, no. 3, pp. 391-404. DOI: 10.1007/s12549-017-0292-1 2017
Mavrinskaya T.M., Artyushkova O.V. Lokhkovskie otlozheniya zapadnogo sklona Yuzhnogo Urala, ikh raschlenenie i global'naya korrelyatsiya na osnove konodontovoy fauny [Loсhkovian strata of the western slope of the South Urals, their division and global correlation based on conodonts]. Izvestiya Tomskogo politekhnicheskogo universiteta. Inzhiniring georesursov, 2020, vol. 331, no. 3, pp. 213-225. DOI: 10.18799/24131830/2020/3/2564
Mavrinskaya T.M., Sharipova A.R. Konodontovoe biopaznoobrazie v lokhkovskom yaruse nizhnego devona zapadnogo sklona Yuzhnogo Urala [Conodont biodiversity in the Lochkovian Stage of the Lower Devonian of the western slope of the Southern Urals]. Sovremennaya mikropaleontologiya - problemy i perspektivy: trudy XVII Vserossiyskogo mikropaleontologicheskogo soveshchaniya (Kazan', 24-29 Sept 2018). Moscow: PIN RAN, 2018, pp. 323-328.
Metodicheskoe rukovodstvo po litologo-petrograficheskomu i petrokhimicheskomu izucheniyu osadochnykh porod-kollektorov [Methodical manual on lithological-petrographic and petrochemical study of sedimentary reservoir rocks]. L.P. Gmid, L.G. Belonovskaya, T.D. Shibina, N.S. Oknova, A.V. Ivanovskaya; ed. A.M. Zharkova. St. Petersburg: VNIGRI, 2009, 160 p.
Murphy M.A., Valenzuela-Rios J.I. Lanea new genus, lineage of Early Devonian conodonts. Bollettino della Società Paleontologica Italiana, 1998, vol. 37, no. 2-3, pp. 321-334.
Murphy M.A., Valenzuela-Ríos J.I., Carls P. On classification of Pridoli (Silurian)-Lochkovian (Devonian) Spathognathodontidae (Conodonts). University of California, Riverside Campus Museum Contribution, 2004, no. 6, pp. 1-25.
Nazarova V.M., Kirilishina E.M., Kononova L.I., Karpova E.V., Dem'yankov S.S. Model' konodontovykh biofatsiy melkovodnykh paleoobstanovok franskogo yarusa (pozdniy devon) [The conodont biofacies model of shallow paleoenvironments in Frasnian (Late Devonian)]. Vestnik Moskovskogo Universiteta. Seriya 4. Geologiya, 2022, no. 6, pp. 35-45. DOI: 10.33623/0579-9406-2022-6-35-45
Nizhniy paleozoy Pechorskogo neftegazonosnogo basseyna (stroenie, usloviya obrazovaniya, neftegazonosnost') [The Lower Paleozoic of the Pechora petroleum basin (structure, conditions of formation, petroleum content)]. V.A. Zhemchugova, S.V. Mel'nikov, V.N. Danilov. Moscow: Izd-vo Akad. gor. nauk, 2001, 109 p.
Opornye razrezy verkhnego silura i nizhnego devona Pripolyarnogo Urala [Reference sections of the Upper Silurian and Lower Devonian of the Subpolar Urals]. Editors V.S. Tsyganko, V.A. Chermnykh. Syktyvkar: Komi filial AN SSSR, 1983, 74 p.
Pazukhin V.N., Gatovskiy Yu.A. Novyy vid konodontov roda Pelekysgnathus iz famenskikh otlozheniy vostoka Russkoy platformy [A new species of Pelekysgnathus (conodonts) from the Famennian of the east Russian platform]. Paleontologicheskiy zhurnal, 2011, no. 5, pp. 85-88.
Savage N.M. Lower Devonian conodonts from the Karheen Formation, southeastern Alaska. Canadian Journal of Earth Sciences, 1977, no. 14, pp. 278-284.
Savage N.M., Blodgett R.B. A new species of the condone Amydrotaxis from the Early Devonian of southwestern Alaska. Short notes on Alaska geology, 1995, professional report 117, pp. 69-73.
Soobshchestva brakhiopod i biostratigrafiya verkhnego ordovika, silura i nizhnego devona severo-vostochnoy okrainy paleokontinenta Baltiya [Brachiopod communities and biostratigraphy of Upper Ordovician, Silurian and Lower Devonian strata of the northeastern margin of the Baltia Paleocontinent]. T.M. Beznosova. Ekaterinburg: UrO RAN, 2008, 219 p.
Stratigraficheskie skhemy Urala (dokembriy, paleozoy) [Stratigraphic schemes of the Urals (Precambrian, Paleozoic)]. Ed. N.Ya. Antsygin, B.A. Popov, B.I. Chuvashov, Ekaterinburg, 1993.
Suttner T.J. Condon Stratigraphy, Facies-Related Distribution Patterns and Stable Isotopes (Carbon and Oxygen) of the Uppermost Silurian to Lower Devonian Seewarte Section (Carnic Alps, Carinthia, Austria). Abhandlungen Der Geologischen Bundesanstalt, 2007, band 59, pp. 1-111.
Timano-Pechorskaya provintsiya: geologicheskoe stroenie, neftegazonosnost' i perspektivy osvoeniya [Timan-Pechora province: geological structure, petroleum potential and development prospects]. M.D. Belonin, O.M. Prishchepa, E.L. Teplov, G.F. Budanov, S.A. Danilevskiy. St. Petersburg: Nedra, 2004, 396 p.
Tsyganko V.S., Beznosova T.M., Saldin V.A., Talimaa V.N. Pogranichnye otlozheniya silura i devona na severe gryady Chernysheva (materialy izucheniya opornogo razreza na ruch'e Dershor) [Boundary of the Silurian and Devonian strata in the north of the Chernyshev ridge (materials of the study of the reference section on the Darshore creek)]. Biostratigrafiya fanerozoya Timano-Pechorskoy provintsii (Tr. In-ta geologii Komi nauch. tsentra UrO AN SSSR; issue 73). Syktyvkar, 1989, pp. 21-31.
Uyeno T.T. Biostartigraphy and conodont faunas of Upper Ordovician through Middle Devonian rocks, Eastern Arctic Archipelago. Geological Survey Bulletin of Canada, 1990, vol. 401, 211 p.
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