Abstract
Six geothermal structures were identified on the Moesian Platform territory based on the analysis of the hydrogeological, geological and geophysical data. Four of them are developed on the Wallachian part of the Moesian Platform, known as the warmer segment. Three of these structures are overlapped with areas characterized by high value of the geothermal gradients and heat flow. The temperature values of 80oC and 120 oC were measured at depths of 2000-3000 m and 2500-3500 m, respectively. Different sources were proposed for the presence of these high values of temperature and heat flow. The layers with thermal waters were intercepted by the wells drilled for oil exploration. The water temperature values vary from 50 to 100oC. Overlapping the geothermal structures on the latest tectonic image proposed for the Moesian Platform, we notice a correlation between the high temperatures and systems of deep faults with east-west and north-south orientations. These two system of faults are developed at west of the Intramoesian Fault, known as a major crustal faults which affect the basement and sedimentary cover of the Moesian Platform.
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