Kule szczecińskie i nieregularne konkrecje wapienno-żelaziste ze zbiorów Muzeum Geologicznego Uniwersytetu Szczecińskiego i ich znaczenie dla rekonstrukcji warunków sedymentacji w morzu oligoceńskim okolic Szczecina – wstępne wyniki
The Szczecin spherules and irregular lime-ferrous concretions from the collections of the Geological Museum of the University of Szczecin and their significance for the reconstruction of sedimentation conditions in the Oligocene sea of ​​the Szczecin

Summary/Abstract: The Szczecin spherules and irregular lime-ferrous concretions were commonly found in the Szczecin sands associated with the marine transgression during the Lower Oligocene (Rupelian). Outcrops of these formations are known from numerous occurrences within the glaciotectonically disturbed Quaternary sediments of the Szczecin area, especially in the Warszewskie Hills. The lime-ferrous concretions, together with the co-occurring malacofauna and other macroscopic remains, contain valuable information on the environmental conditions prevailing in the Oligocene sea, as well as on the conditions of formation of the concretions themselves.

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