engleski

Geological Grounds of Petroleum-geological and Geothermal Prospectivity in Marginal and Basinal Sections of the Slavonian Mts. Area

In spite of the high level of petroleum-geological exploration of the Croatian part of the Pannonian basin, areas still exist that are worth paying attention to because of favorable lithostratigraphic and tectinic relations. Such is the area of the Slavonian Mts. (Mt. Papuk, Mt. Krndija, Mt. Psunj, Mt. Požeška Gora and Mt. Dilj9 and their immediate surroundings (parts of the Drava and Sava Basins and the Požega Basin). Due to their secondary porosity, the Triassic dolomite-limestone sediments are potential geothermal aquifers. These rocks were also the source of sedimentary material for a well-known type of reservoir rock-Early Neogene carbonate breccia that is the lateral equivalent of basinal clastics. The Neogene mostly clastic sediments, that are regionally known to form oil and gas reservoirs, are found under the overthrusted older rocks, making these relations favorable for oil andgas entrapment. The mentioned conclusions are based on tectonic framework of the study area, paleogeographic reconstruction of sedimentary basins with comparison of their recent widths and on analyses of thickness of the Neogene sedimentary sequences

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