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Background The south-western border of the Pre-Caspian basin, to which the Myntobinsko-Novobogatinskaya uplift zone is confined, relates to the border zone with the territory of Russia adjacent to the west and north-west due to geographical factors. Historically, this band, called the Ural-Volga interfluve, was studied by Kazakhstan companies together with Russian specialists, whose contribution to the study of the regional and internal structure of Paleozoic sediments and the evaluation of oil and gas objects can be considered significant. Aims and Objectives Study the tectonic features of the Paleozoic sediments and the regional characteristics of the structural plan of the Caspian basin southern part. The research area is confined to the Myntobinsko-Novobogatinskaya zone of uplifts in the Ural-Volga interfluve. Results The main stages in the study of Paleozoic sediments and the favorable prerequisites obtained at the initial stage of the study, indicating a promising oil and gas bearing, are noted. The latest structural constructions characteristic according to reflecting horizons, local structures and their differentiation according to the shape and type of traps are given. On the basis of this, a forecast was made for lithofacies inside-basin zones: shallow water (carbonate paleoshelf), relatively submerged near-shore zone and deeper-water zone. The large Paleozoic uplifts correlation with anomalies of increased value magnetic field is given. Along with shallow carbonate areas development, the perspective of local uplifts of large amplitude and size within a relatively submerged nearshore zone and a deeper-water zone is accentuated. In areas with predominantly terrigenous and carbonate-terrigenous sedimentation, a large Paleozoic uplifts high prospect is predicted. The oil and gas potential of the Paleozoic deposits (Kobyakovskaya, Alga) was obtained on separate uplifts. Prospective local uplifts are grouped into larger objects - megauplifts (Edil, Kobyakovsko-Primorskoye, Peschanoye, and North-Coastal), which are genetically associated with elevated areas and projections of the foundation.

PALEOZOIC DEPOSITS MYNTOBINSKO-NOVOBOGATINSKAYA ZONE STRUCTURAL AND TECTONIC FEATURES ON THE SOUTH-WESTERN FRAME OF THE CASPIAN BASIN