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New Insights Into the Genesis of the “Poznań Clays” – Upper Neogene of Poland

Autor(en): (Polish Geological Institute – National Research Institute , Marine Geology Branch, Gdańsk , Poland)
(Adam Mickiewicz University , Poznań , Poland)
(Polish Geological Institute – National Research Institute, Warszawa , Poland)
(Adam Mickiewicz University , Poznań , Poland)
Medium: Fachartikel
Sprache(n): Englisch
Veröffentlicht in: Civil and Environmental Engineering Reports, , n. 1, v. 30
Seite(n): 18-32
DOI: 10.2478/ceer-2020-0002
Abstrakt:

The present study focuses on the upper Neogene deposits, called the “Poznań Clays”, that cover more than 75,000 km² of Poland. They are situated between the first mid- Polish lignite seam and the glaciogenic deposits of the Pleistocene age. Lithostratigraphically, the “Poznań Clays” belong to the uppermost portion of the lignite-bearing Grey Clays Member and the whole Wielkopolska Member (Poznań Formation). The examined fine-grained sediments include mud-rich floodplain deposits with palaeosol remnants and large sandy-muddy or muddy palaeochannel bodies. Therefore, taking into account facies analysis, cross-sectional geometry, and the planform of the palaeochannels, it can be stated that the “Poznań Clays” formed in the environment of a late Neogene anastomosing river.

Structurae kann Ihnen derzeit diese Veröffentlichung nicht im Volltext zur Verfügung stellen. Der Volltext ist beim Verlag erhältlich über die DOI: 10.2478/ceer-2020-0002.
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  • Reference-ID
    10705144
  • Veröffentlicht am:
    19.02.2023
  • Geändert am:
    19.02.2023
 
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