Lithofacies analysis of Miocene sediments in the southern part of Carpathian Foredeep, based on the re-interpretation of drill logging data


Authors: Šikula J, Nehyba S

Published in: Bulletin of Geosciences, volume 79, issue 3; pages: 167 - 176; Received 6 April 2004; Accepted in revised form 5 May 2004;

Keywords: Carpathian Foredeep, Miocene, sedimentary structure, drill logging, well log facies interpretation, facies analysis, basin development,

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Miocene sediments were studied based on the examination of drill logs, drill cores and seismic reflection profiles from the southern part of the Carpathian Foredeep in Moravia. Thirteen well log facies were recognized in the southern part of the Carpathian Foredeep based on the evaluation of well log measurements, the lithological study of drill cores, and seismic profiles. The selected well log facies are used for characterising the basin structure during its development. Maps of the thicknesses of the well log facies were produced that allow to illustrate five stages of basin development. Individual stages also reflect the controlling factors of basin and depositional space formation.