Autor: Garecka, M. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Calcareous nannofossils and foraminifera from the youngest deposits of the Siary Subunit (Oligocene, Magura Nappe, Polish Outer Carpathians)
Autorzy:: Garecka, M.
Szydło, A.
Powiązania:: https://bibliotekanauki.pl/articles/191190.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Geologiczne
Tematy:: calcareous nannoplankton
foraminifera
palaeoenvironment
Gładyszów Beds
Siary Subunit
Magura Nappe
Outer Carpathians
Oligocene
Opis:: The calcareous nannoplankton and foraminifera from the Gładyszów Beds, regarded as the youngest deposits in the northern marginal Siary Subunit of the Magura Nappe in Poland, are characterized. The material investigated comes from outcrops in the vicinity of Gładyszów and from the Gładyszów PIG-1 borehole. The analysis allowed the establishment of the age of these deposits as not older than late Rupelian–early Chattian (the calcareous nannoplankton NP24 Zone). The taxonomic affiliations, environmental associations and preservation of the microfossils were analyzed to document the sedimentary processes and environmental conditions during the geotectonic transformation of the Magura Basin in the Oligocene. These microfossils also were compared with those reported from the terminal deposits of the Outer Carpathians and the Podhale Basin.
Źródło:: Annales Societatis Geologorum Poloniae; 2015, 85, 1; 205-219
0208-9068
Pojawia się w:: Annales Societatis Geologorum Poloniae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Paleogene microfossils from the submarine debris flows in the Skole basin (Polish and Ukraine Outer Carpathians)
Autorzy:: Szydło, A.
Garecka, M.
Jankowski, L.
Malata, T.
Powiązania:: https://bibliotekanauki.pl/articles/184324.pdf
Data publikacji:: 2014
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: foraminifera
calcareous nannoplankton
biostratigraphy
palaeoenvironment
gravity flow
Skole unit
Outer Carpathians
Opis:: Biostratigraphic analysis of fossils material has allowed the documentation of sediment gravity flows in the Skole basin during the Paleocene and Eocene times, and also in the Eocene-Oligocene transition. This most external basin of the NE Outer Carpathians was a marginal sea especially sensitive to geotectonic instability and relative sea-level change, favoring the development of down slope movements at these times. The dominance of calcareous forms in foraminifera, and a large share of redeposited species among the nanno- and microfossils indicate a close relationship of sediments containing them with the shelf environment and documents not too long transport. Additionally the recycled forms are often well preserved, indicating that the rock contained in flows were only plasticized and hydrated while the material itself was not a subject of significant mechanical processing in contrast to that one, which directly documented down slope moving. The latter forms are bad preserved and their fossil remains are usually corroded, partially dissolved and broken during this process. In addition, the planktonic forms including foraminifera, calcareous dinocysts and nannoplankton allow documenting the time of the final deposition of the sediment transported on slope.
Źródło:: Geology, Geophysics and Environment; 2014, 40, 1; 49-65
2299-8004
2353-0790
Pojawia się w:: Geology, Geophysics and Environment
Dostawca treści:: Biblioteka Nauki

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