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Название: Fracture system influence on the reservoirs rock formation of Ordovician-Devonian carbonates in West Siberia tectonic depression
Авторы: Koveshnikov, Aleksandr Evgenievich
Nesterova, A. C.
Dolgaya, Tatiana Fedorovna
Ключевые слова: водохранилища; ордовик; карбонаты; Западная Сибирь; синеклизы; геологоразведка; пластовые пробы; карбонатные породы; тектонические впадины
Дата публикации: 2016
Издатель: IOP Publishing
Библиографическое описание: Koveshnikov A. E. Fracture system influence on the reservoirs rock formation of Ordovician-Devonian carbonates in West Siberia tectonic depression / A. E. Koveshnikov, A. C. Nesterova, T. F. Dolgaya // IOP Conference Series: Earth and Environmental Science. — 2016. — Vol. 43 : Problems of Geology and Subsurface Development : XX International Scientific Symposium of Students, Postgraduates and Young Scientists, 4–8 April 2016, Tomsk, Russia. — [012008, 7 p.].
Аннотация: During the Paleozoic period from the beginning of the Cambrian to the end of the Carboniferous in the boundaries of the West Siberia tectonic depression there occurred the sea, where the carbonate platforms were formed by the limestones accumulation. All the area at the end of the Carboniferous period was turned to land. Resulting from Gertsynskaya folding in the times of Permian - Triassic the formed deposits were folded and denudated to a considerable extent. Besides, the reservoir rocks of the crust of weathering including redeposited one, were formed as a result of hypergenesis, during the continental stand of the area in the near-surface zone. A new geological prospecting unit has been suggested which underlies these crusts of weathering and formed during fracture tectonic processes with hydrothermal-metasomatic limestones reworking and the processes of hydrothermal leaching and dolomitization. So, in the carbonate platforms the system of fissure zones related to tectonic disturbance was formed. This has a dendrite profile where the series of tangential, more thinned fractures deviate from the stem and finish in pores and caverns. The carbonate platforms formation in the West Siberia tectonic depression has been analyzed, their dynamics and gradual increasing from the minimal in Ordovician and Silurian to maximal at the end of the Late Devonian has been shown.
URI: http://earchive.tpu.ru/handle/11683/35185
Располагается в коллекциях:Материалы конференций

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