geotermija vengrii. Thermal sources

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Thermal sources and natural hot reservoirs long since drew attention as indicators of high thermal activity of the Pannonsky hollow. The majority of such sources is dated for breaks in mesozoic, mainly Triassic, karbonatnyh breeds of the central Hungarian ridge. Deep chinks have shown, that the largest geothermal tanks take places in water-permeable breeds neogenovogo - chetvertichnogo a sedimentary complex of the Pannonsky hollow. The geothermal gradient as a whole is high, on the average 50 To/km. Definitions of a thermal stream also give high values - 80-130 мВт/м2. Nevertheless, there are two basic problems: first, sometimes it is very difficult to define heat conductivity of friable deposits; secondly, circulation of thermal waters strongly deforms a field of the temperature caused only by heat conductivity. The question is put so: Or the high regional thermal stream in a hollow (if, of course, data reliable) is caused pripoverhnostnymi by the phenomena, or it has a deep origin, i.e. It is connected with the top cloak.

In this article we give a report geological and geophysical, first of all geothermal, characteristics of the Pannonsky hollow and we try to resolve this question.