Abstract
The Black Sea-South Caspian megadepression is a vast region includes large geological structures developed during the Meso-Cenozoic time and have both a single development history and a different one. Based on the chemistry of volcanic rocks and seismic data, to determine the genesis of the geological structures that make up the Black Sea-South Caspian megadepression, its evolution and the presence of minerals an attempt was made. Large modern geostructural elements, such as the Riony, Kura, West Turkmenian, Black Sea and South Caspian depressions, which are part of the megadepression, have united into a single whole as a result of processes taking place on the margin Tethys Ocean. Based on the analysis of volcanic rocks buried under Cenozoic sediments, the picture of the ancient ocean margin development and its subsequent history were modeled. Favorable conditions for the generation and accumulation of hydrocarbons, formed as a result of all processes, led to the fact the entire Black Sea-South Caspian megadepression has a huge reserve of these minerals.
Highlights
The Black Sea-South Caspian megadepression is a vast region includes large geological structures developed during the Meso-Cenozoic time and have both a single development history and a different one
The presented studies showed, since this territory was an active continental margin in the Mesozoic and was in crustal compression conditions, where horizontal movements were transformed into vertical and fold-forming, all anticlinal structures formed before the start of hydrocarbon migration can be potentially oil and gas bearing, i.e. Upper Cretaceous-Cenozoic deposits in the Kura and South Caspian depression with a favorable lithological composition
The Black Sea-South Caspian megadepression is represented by the Black Sea and South Caspian basins and the Riony (Colchis), Kura and West Turkmenian depressions (Figure 1)
Summary
The author used the method of analyzing volcanic rocks and seismic wave velocities when determining the age and belonging of a particular geological structure of the study area to the elements of geodynamics. The identification of potential places of hydrocarbon accumulations in the Black Sea-South Caspian megadepression based on the geodynamic analysis development of the territory
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