Temat: marine turbidites - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Trinity Peninsula Group (Permo-Triassic?) at Hope Bay, Antarctic Peninsula
Autorzy:: Birkenmajer, Krzysztof
Powiązania:: https://bibliotekanauki.pl/articles/2052753.pdf
Data publikacji:: 1992
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: West Antarctica
Permo-Triassic (?)
marine turbidites
structure
lithostratigraphy
Źródło:: Polish Polar Research; 1992, 13, 3-4; 215-240
0138-0338
2081-8262
Pojawia się w:: Polish Polar Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Facies heterogeneity of a deep-sea depositional lobe complex : case study from the Słonne section of Skole Nappe, Polish Outer Carpathians
Autorzy:: Łapcik, P.
Powiązania:: https://bibliotekanauki.pl/articles/191784.pdf
Data publikacji:: 2017
Wydawca:: Polskie Towarzystwo Geologiczne
Tematy:: deep-marine turbidites
depositional lobes
dynamic stratigraphy
facies analysis
mass flow deposits
Upper Cretaceous
Opis:: This article reports on the first detailed study of the Skole Nappe’s Ropianka Formation in the Słonne outcrop section along river San. Lithological and micropalaeontological similarities indicate that the sedimentary succession correlates with the formation’s Wiar Member of Campanian–late Maastrichtian age. The sedimentary succession, more than 140 m thick, is interpreted as a deep-marine complex of turbiditic depositional lobes and the study reveals its sedimentary anatomy. Six component facies of sediment gravity-flow deposits and their stratigraphic grouping into four facies associations are recognized, with these latter considered to represent deposits of the lobe axial zone, lateral flank zone and featheredge fringe zone, as well as an interlobe outer-fringe zone. Semi-quantitative characterization and comparison of facies associations gives insight into the succession’s sedimentary heterogeneity. Six depositional lobes superimposed upon one another are recognized in the stratigraphic succession, and their pattern of vertical stacking is interpreted in terms of dynamic stratigraphy on the basis of the upward succession of facies associations. The stratigraphic arrangement of facies associations is attributed to autogenic morphodynamic changes within the evolving depositional system, although it cannot be precluded that also eustatic and local tectonic forcing came into play. The case study sheds more light on the sedimentary environment, sediment sourcing system and spatial depositional pattern in the Late Cretaceous Skole Basin, where the aggrading seafloor apparently oscillated around the lysocline depth that could be mid-bathyal at that time.
Źródło:: Annales Societatis Geologorum Poloniae; 2017, 87, 4; 301-324
0208-9068
Pojawia się w:: Annales Societatis Geologorum Poloniae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Facies anatomy of a progradational submarine channelized lobe complex: semi-quantitative analysis of the Ropianka Formation (Campanian-Paleocene) in Hucisko Jawornickie section, Skole Nappe, Polish Carpathians
Autorzy:: Łapcik, Piotr
Powiązania:: https://bibliotekanauki.pl/articles/138693.pdf
Data publikacji:: 2019
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: deep-marine turbidites
depositional lobes
submarine channels
dynamic stratigraphy
facies analysis
Markov chain analysis
turbidyty
loby depozycyjne
kanały podmorskie
stratygrafia dynamiczna
analiza facjalna
łańcuch Markova
Opis:: This study is a detailed lithofacies analysis of the Wiar and Leszczyny members of the deep-marine Ropianka Formation (Campanian–Paleocene) exposed in the Hucisko Jawornickie section of the Skole Nappe, Polish Carpathian Flysch. The sedimentary succession (>400 m thick) represents a channelized lobe complex that prograded at the base of submarine slope. Seven sedimentary facies are recognized as a record of the principal modes of sediment deposition. Based on their stratigraphic grouping and grain-size trends, six facies associations are distinguished as representing specific sub-environments of the depositional system: distributary channels, channel-mouth lobes, channel levees, crevasses and interlobe basin plain with crevasse splays. The individual facies associations are characterized statistically and their internal facies organization is analysed by the method of embedded Markov chains to reveal the time pattern of depositional processes. The environmental changes indicated by the vertical succession of facies associations are attributed to the autogenic processes of the distributary channel shifting within an aggrading lobe area and the lateral switching of depositional lobes. Eustatic influences are likely, but difficult to ascertain with poor biostratigraphic data. The bulk basinward advance of the base-of-slope system was probably due to a pulse of the tectonic narrowing of the synclinal Skole Basin.
Źródło:: Acta Geologica Polonica; 2019, 69, 1; 111-141
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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