Stratigraphy and lithology
Section editor – PhD in geology and mineralogy Kirichkova A.I.
| Article # 59_2012 | submitted on 08/13/2012 displayed on website on 11/19/2012 |
| 25 p. | Zhuravlev A.V. |
| Sedimentation model of the transitional zone from the Elets to Lemva formation belts (Devonian-Carboniferous boundary, Cis-Polar Urals) | |
| Shoal and bioherm deposits of the transitional zone form the the Elets formation belt to the Lemva formation belt are considered as perspective object for oil and gas prospecting. Study of the sections in the basins of the Kozhym and Lemva rivers allows us to reconstruct environments in the shoal belt in the Devonian/Carboniferous boundary interval. Area of deep erosion (up to the Middle Famennian) is reconstructed in the Early Tournaisian. Usually the bioherms are considered as having great potential as natural reservoirs for the oil and gas in the Upper Devonian – Lower Carboniferous. Study of the porosity of the rocks of the shoal complex allows supposing debris fans of the frontal and back shoal slopes as promising natural reservoirs for the oil and gas. Shoal and bioherm rocks demonstrate lower porosity.
Key words: Cis-Polar Urals, Upper Devonian, Lower Carboniferous, environments, shoal, debris fans, porosity. |
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| article citation | Zhuravlev A.V. Sedimentatsionnaya model' oblasti sochleneniya Eletskoy i Lemvinskoy formatsionnykh zon Pripolyarnogo Urala v pogranichnom devonsko-kamennougol'nom intervale [Sedimentation model of the transitional zone from the Elets to Lemva formation belts (Devonian-Carboniferous boundary, Cis-Polar Urals)]. Neftegazovaya Geologiya. Teoriya I Praktika, 2012, vol. 7, no. 4, available at: http://www.ngtp.ru/rub/2/59_2012.pdf |
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Zhuravlev A.V. Upper Givetian and Lower Frasnian conodonts from the “Olysia” Reef (Subpolar Urals). Geology of the Devonian System. Syktyvkar, 2002, p. 161-163.
Eliseev A.I. Vizeyskiy rif na zapadnom sklone Pripolyarnogo Urala [Visean reef on the western slope of the Nether-Polar Urals]. DAN SSSR, 1971, vol. 200, no. 3, p. 672-675.
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Gruzdev D.A., Sobolev D.B., Zhuravlev A.V. Otlozheniya bol'shenadotinskoy tolshchi v yuzhnoy chasti gory Olysya (reka Bol'shaya Nadota, Pripolyarnyy Ural) [Deposits of Big Nadot suite in the southern part of the mountain Olysya (River Big Nadot, Nether-Polar Urals)]. Geologiya i mineral'nye resursy evropeyskogo severo-vostoka Rossii. Materials XV Geological Congress of the Republic of Komi. Syktyvkar, 2009, vol. 2, p. 27.
Ivanov V.V., Toropov V.A., Utkina O.L., Gudel'man A.A. Geologicheskoe stroenie Lemvinskogo poperechnogo opuskaniya po rezul'tatam geologo-razvedochnykh rabot OOO «Gazprom pererabotka» [Geological structure of Lemvin cross lowering on the basis of exploration of OOO "Gazprom pererabotka"]. Geologiya, burenie, razrabotka i ekspluatatsiya gazovykh i gazokondensatnykh mestorozhdeniy, 2010, no. 3, p. 10-24.
Konovalova V.A., Sobolev D.B. Vizeyskie ammonoidei iz otlozheniy Bol'shenadotinskogo biogermnogo massiva (Pripolyarnyy Ural) [Visean ammonoids from deposits of Big Nadot bioherm array (Nether-Polar Urals)]. Geologiya rifov. Proceedings of the International Meeting in the Komi Republic. Syktyvkar, 2005, p. 81-84.
Newell, N.D. and Rigby, J.K. Geological studies on the Great Bahama Bank. In: R.J. Le Blanc and J.G. Breeding (Editors), Regional Aspects of Carbonate Deposition. Soc. Econ. Paleontol. Mineral. Spec. Publ., 1957, 5, p. 15-72.
Sealey N. Bahamian Landscapes. 3rd edition. Nassau, Bahamas : Media Pub., 2006.
Shishkin M.A. Geologiya zony sochleneniya Eletskikh i lemvinskikh fatsiy na zapadnom sklone Polyarnogo Urala [Geology of the junction zone of Elets and Lemvin facies on the western slope of the Polar Urals]. – Synopsis of the dissertation for the degree of Candidate of Geological and Mineralogical Sciences. Syktyvkar, 2003, 20 p.
Skompski S., Paszkowski M., Krobicki M., Kokovin K., Korn D., Tomas A. & Wrzolek T. Depositional setting of the Devonian/Carboniferous biohermal Bol'shaya Nadota Carbonate Complex, Subpolar Urals. Acta Geologica Polonica, 2001, vol. 51, no. 3, p. 217-235.
Sobolev D.B., Zhuravlev A.V., Karmanov R.S., Gruzdev D.A. Novye dannye o geologicheskom stroenii rayona Bol'shenadotinskogo rifa (Pripolyarnyy Ural) [New data on the geological structure of the Big Nadot reef area (Nether-Polar Urals)]. Vestnik. Sykt.: Geoprint, 2000, no. 8 (68), p. 6-7.
Sobolev D.B., Zhuravlev A.V., Tsyganko V.S. Stop 8. Upper Devonian-Lower Carboniferous succession on the Kozhym River. Subpolar Urals Field Trip Guidebook. Suppl. Spec. Publ. 6. Ichtyolith Issues, 2000, p. 101-111.
Voynovskiy-Kriger K.G. Dva kompleksa paleozoya na zapadnom sklone Polyarnogo Urala [Two Paleozoic complexes on the western slope of the Polar Urals]. Sovetskaya geologiya, 1945, no.6, p. 27-44.
Zhukova T.V. Rol' mikropaleontologicheskikh i litologo-petrograficheskikh issledovaniy pri raschlenenii i korrelyatsii raznofatsial'nykh tolshch devona i karbona v razreze skvazhiny 1-Yun'yakhinskaya [Role of micropaleontological, lithological and petrographic studies in the correlation of different facies Devonian and Carboniferous strata in well Yunyahinskaya-1]. All-Russian meeting lithological "Reefs and carbonate pseudo-phytoliths ". Syktyvkar: Geoprint, 2010, p. 64-66.
Zhuravlev A.V. Biostratigraficheskiy analiz konodontovykh kompleksov verkhney chasti ust'parnokskoy tolshchi (famen-turne) Polyarnogo Urala [Biostratigraphic analysis of conodont systems in the upper part of ust’parnok strata (Famennian- Tournaisian), Polar Urals]. Byulleten' MOIP. Otd. geol., 2010, vol. 85, issue 4, p. 28-34.
Zhuravlev A.V. Konodonty verkhnego devona – nizhnego karbona severo-vostoka Evropeyskoy Rossii [Conodonts of the Upper Devonian - Lower Carboniferous northeast European Russia]. Saint Petersburg: VSEGEI, 2003, 85 p.
Zhuravlev A.V. Tafonomiya konodontovykh elementov v pozdnedevonsko-rannekamennougol'nykh turbiditakh severa Urala i Pay-Khoya [Taphonomy of conodont elements in the Late Devonian-Early Carboniferous turbidites of the northern Urals and Pai-Khoi]. Litosfera, 2012, no. 3, p. 14-21.
Zhuravlev A.V. Upper Givetian and Lower Frasnian conodonts from the “Olysia” Reef (Subpolar Urals). Geology of the Devonian System. Syktyvkar, 2002, p. 161-163.