geotermija vengrii. Verhnepannonsky adjournment

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The hollow is filled shallow sea, lake and terrigennymi by adjournment and volcanic breeds. Porous layers miotsenovyh adjournment (sandstones, limestones, tufy) contain a water quantity, sometimes strongly salty. These vodonosnye layers are closed and are always insignificant on the area. Pliotsenovye adjournment differ in the big thickness (to 4000) and are divided on pannonsky and levantijsky horizons. The first represents alternation of prolayers of sandstones, sand, glin, slates and ilov, the vertical and which horizontal sizes are very various. In nizhnepannonskih adjournment water-proof layers prevail.

Verhnepannonsky adjournment include extensive system of porous layers. The most part of stocks of thermal waters in the Pannonsky hollow is located in thicknesses verhnepannonskih sand and sandstones. As these thicknesses do not form a continuous cover, verhnepannonsky the tank consists from numerous separate vodonosnyh the horizons divided water-proof and slabopronitsaemymi by layers (the dismembered tank). In them water contains juvenilnaja. In tank system there is only weak century movement of water with a speed about 10-2 m./year Places tanks of thermal waters can unload or podpityvatsja through litologicheskie ' windows ', i.e. Water-permeable sites of a sedimentary cut. Ascending streams of hot water can create appreciable geothermal maxima. It is visible on example Tisakechke in the central part of the Big Hungarian lowland as it has been established as a result of detailed hydro-geological and geophysical researches. Part levantijskih layers and the majority chetvertichnyh formations consist of very porous and easily nontight adjournment: sand, gravel, loess. In them atmospheric water contains, and the circulation system is defined mainly by a relief and water penetration of a surface.