The Timan–Pechora sedimentary basin: Palaeozoic reef formations and petroleum systems
Published:January 01, 2011
S. S. Klimenko, L. A. Anischenko, A. I. Antoshkina, 2011. "The Timan–Pechora sedimentary basin: Palaeozoic reef formations and petroleum systems", Arctic Petroleum Geology, Anthony M. Spencer, Ashton F. Embry, Donald L. Gautier, Antonina V. Stoupakova, Kai Sørensen
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In the Palaeozoic history of the Timan–Pechora sedimentary basin three stages of organic structures are identified: Caradocian–Early Emsian, Middle Frasnian–Tournaisian and Late Visean–Early Permian. The distribution and dimensions of the various organogenic buildups in the Timan–Pechora basin show that Palaeozoic reef formation was regulated by the skeletal reef biota, by the physical and chemical parameters controlling the porostromate calcimicrobes and microbial carbonates, by global eustatic fluctuations of sea-level, and by the tectonic evolution of the Pechora Plate and the Palaeo-Urals Ocean. The development of petroleum systems in the Timan–Pechora Basin is largely controlled by primary (organic substance, its composition, quantity and maturity, continuous sinking of the basin's sedimentary cover) and secondary (stagnation period of sedimentation and the newest tectonic movements) factors. An integrated approach using the geochemical data enabled us to build a reliable model of petroleum genesis for the Timan–Pechora Basin with high probability of evaluating the petroleum potential and the composition of hydrocarbon systems.
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Arctic Petroleum Geology
The vast Arctic region contains nine proven petroleum provinces with giant resources but over half of the sedimentary basins are completely undrilled, making the region the last major frontier for conventional oil and gas exploration. This book provides a comprehensive overview of the geology and the petroleum potential of the Arctic. Nine papers offer a circum-Arctic perspective on the Phanerozoic tectonic and palaeogeographic evolution, the currently recognized sedimentary basins, the gravity and magnetic fields and, perhaps most importantly, the petroleum resources and yet-to-find potential of the basins. The remaining 41 papers provide data-rich, geological and geophysical analyses and individual oil and gas assessments of specific basins throughout the Arctic. These detailed and well illustrated studies cover the continental areas of Laurentia, Baltica and Siberia and the Arctic Ocean. Of special interest are the 13 papers providing new data and interpretations on the extensive, little known, but promising, basins of Russia.
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