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Position of the Late Cretaceous - Palaeocene Source Areas of the Magura Basin - Evidence from Heavy Mineral Study

The Late Cretaceous-Palaeocene deposits of the Magura Nappe in Poland are surrounded by the Hulina spotty marls (Albian-Cenomanian) at the base and variegated shales of the Labowa Fm. (Early Eocene) at the top. The basal portion of the Upper Creteceous sequence is represented by variegated shales of the Malinowa Fm. Their upper boundary is diachronous-older in the Raca zone (Santonian) and younger in the Krynicazone (Campanian/ Maastrichtian). The variegated shales are followed by the Senonian-Palaeocene flysch deposits traditionally referred as the Inoceramian Beds. These deposits, 200-400 m thick, could be divided into several divisions: Kanina, Jaworzynka and Ropianka (Mutne) beds in the ...

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