Geologia rejonu Przemyśla w świetle głębokich wierceń

Eugeniusz Głowacki, Henryk Jurkiewicz, Piotr Karnkowski

Abstract


GEOLOGY OF THE PRZEMYŚL REGION IN THE LIGHT OF DEEP DRILLINGS

Three main elements may be distinguished in the geological structure of the Przemyśl region: Miocene substratum, autochthonous Miocene and Carpathian - Stebnica overfold.

The general geological structure of the region considered is as follows. Immediately on the older substratum built up of the Upper Precambrian deposits rest the deposits of the autochthonous Miocene, developed from the Lower Tortonian to the Lower Sarmathian inclusive. The autochthonous Miocene deposits are covered by the Carpathian and Stebnica unit deposits overfolded from the south. The Stebnica unit is built of the Miocene deposits, from Aquitanian or Burdigalian to Tortonian in age. These deposits considerably differ from those of the autochthonous Miocene in lithological character and in an intense folding. The Stebnica unit constitutes an overthrust sheet form and contains some deep Carpathian structural elements.


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