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INFLUENCE TO FLUIDS OF THE DISJUNCTIVE DISLOCATIONS ON THE FORMATION OF THE HYDROCARBON COMPOSITION OF THE OIL DEPOSITS SOUTH-TATAR ARCH
Abstract
Based on a comparative analysis of biomarker data of the bituminous of the rocks of different ages located near the Sarayli and Altunino-Shunak troughs, various sources of their formation are shown. It is established that disjunctive rocks in the development zone of the Sarailin trough serve as ways for lateral and vertical migration of hydrocarbons of the one degree of catagenetic maturity to places of productive deposits. In the case of the Altunino-Shunak trough, two types of hydrocarbons are observed, differing in the degree of catagenetic transformation common in the study area. The difference is due to the uneven exposure of the endogenous thermal field, which is the strongest in the zone of the Altunino-Shunak trough. The results of the distribution of vanadium and nickel in the composition of bituminous of the studied rocks of different ages reflect the ongoing processes.
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