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1 2007

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Lokalizacja wschodniego uskoku głównego w mezozoicznym podłożu Poznania

Widera M., Karman R.

Przegląd Geologiczny

2007

Vol. 55, nr 11

965-970

The paper deals with the major eastern fault in the Mesozoic substratum of the City of Poznań. In this area, only few boreholes reached the top of the Mesozoic succession. It is the reason why this fault cannot be mapped. Therefore, it is indicated the dependence between the relief of the Mesozoic substratum and the morphology of the lignite seam base in adjacent areas where numerous boreholes reached the top Mesozoic surface. This dependence was best expressed at times when the major fault in the substratum was active after peat sedimentation. Subsequently, the structural map of the base of the first Middle-Polish Lignite Seams, pierced by many boreholes, was analyzed. In this way, using an indirect method, location of the major fault in the Mesozoic substratum of the City of Poznań was quite precisely determined.