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    Wyświetlanie 1-3 z 3
    Tytuł:
    Budowa geologiczna i glacitektonika klifu orłowskiego w Gdyni
    Geology and glaciotectonics of the Orłowo Cliff in Gdynia, northern Poland
    Autorzy:
    Kaulbarsz, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074343.pdf
    Data publikacji:
    2005
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Klif orłowski
    analiza strukturalna
    deformacja glacitektoniczna
    geneza glin zwałowych
    zlodowacenie Wisły
    zlodowacenie Odry
    stadiał świecia
    Orłowo Cliff
    Baltic shore
    glaciotectonic deformations
    structural analysis
    Odranian Glaciation
    Warthanian Glaciation
    Vistulian glaciation
    Świecie Stadial
    Main Stadial
    Opis:
    The Orłowo Cliff is built of glacial and fluvioglacial deposits, Middle Polish Glaciations (possibly Odranian and Warthanian) and Vistulian Glaciation. Deposits are heavily deformed glaciotectonically. In the northern part of the cliff, Miocene sediments are exposed. It is possible, that the Miocene sediments were dislo-cated from their primary position. There were observed overthrusts and intermingling with Pleistocene material in the lower part of the exposure. The Orłowo Headland is built of glacial tills. It is probably a part of fold, similar in pattern to the structure of overthrust folds present in silty-sandy-grained deposits in the southern part of the cliff. Apart from folds and overthrusts there are many faults and the boudinage. Structural analysis of glaciotectonic deformations in conjunction with origin of deposits and statigraphic research enabled the recognition of several stages of development of deformations. Two local directions of glaciotectonic transport were marked clearly: from the north-east, which was connected with glacier invasion in the OEwiecie Stadial of the Vistulian Glaciation, and direction from north-west (north north-west), related to the Main Stadial of the Vistulian Glaciation.
    Źródło:
    Przegląd Geologiczny; 2005, 53, 7; 572--581
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New insights into the glacial history of southwestern Poland based on large-scale glaciotectonic deformations : a case study from the Czaple II Gravel Pit (Western Sudetes)
    Autorzy:
    Kowalski, A.
    Makoś, M.
    Pitura, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/191749.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Geologiczne
    Tematy:
    glaciotectonic deformation
    Odranian Glaciation
    kinematic indices
    Lower Silesia
    Opis:
    This paper presents the results of structural and sedimentological studies carried out in the outcrops of Quaternary (Middle Pleistocene) deposits near the village of Czaple in Lower Silesia, Western Sudetes. Fluvial sands, gravels and glacial tills traditionally assigned to the Middle Polish Pleistocene Glaciations (Odranian Glaciation) crop out in the active gravel pit Czaple II. In these deposits, the authors have recognised and documented numerous mesoscale glaciotectonic deformation structures that were previously undescribed from the mountainous part of the Sudetes. These structures represent effects of sediment deformation in both proglacial and subglacial settings, and include such features as asymmetrical and disharmonic folds, thrusts, steeply inclined reverse faults, normal faults and conjugate sets of fractures. Based on the orientation of kinematic indicators associated with the faults and fracture planes (slickensides, hackles, grooves, R-shears) within the fine-grained sediments and in sands and gravels, an S- and SE-directed horizontal compression due to ice-sheet advance is postulated. This direction is consistent with some relevant other data from the Sudetes, indicating that the Odranian ice sheet advanced into the area of the Sudetes from the north, north-east and north-west.
    Źródło:
    Annales Societatis Geologorum Poloniae; 2018, 88, 4; 341-359
    0208-9068
    Pojawia się w:
    Annales Societatis Geologorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rekonstrukcja kierunków ruchu lodu w obrębie lobu górnej Odry
    Reconstruction of the ice-flow directions within the Upper Odra Lobe (S Poland)
    Autorzy:
    Salamon, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074907.pdf
    Data publikacji:
    2012
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    ice sheet lobe
    ice movement direction
    Upper Odra Lobe
    Odranian glaciation
    lob lądolodu
    kierunek ruchu lodu
    lob górnej Odry
    zlodowacenie Odry
    Opis:
    The Upper Odra Lobe - the southernmost part of the Scandinavian ice sheet during the Odranian (Drenthe) glaciation - was formed in the area of the Niemodlin Plain and the western part of the Racibórz Basin. It created a complex structure consisting of several sublobes: Odra, Nysa, Ruda and Klodnica sublobes. The study focused on the basal till deposited during ice sheet advance. Ice flow directions and the general pattern ofice mass distribution in the Upper Odra Lobe were defined based on the clast fabric. The resulting distribution of ice-flow palaeodirections suggest that the Upper Odra Lobe was formed by the mass of ice moving divergently from the Opole Plain located to the north of the Racibórz Basin. Ice-flow lines coincide with the pattern of major geomorphological units. The most intensive movement of the ice took place in the depression of the central part of the Silesian Lowland. From there, in the vicinity of the Niemodlin Plain, the ice sheet moved in different directions, forming smaller sublobes in several valleys. Strong relationship between the ice flow directions and morphology confirms the idea of a smaller ice sheet extent in the Racibórz Basin and Moravian Gate. Highly concentrated flow of ice in the back-lobe area, interpreted in this study, suggests that the lobe development resulted not only from the ice sheet adapting to the basement relief, but was also conditioned by a spatially varying distribution of ice, i.e. increased ice supply to the Niemodlin Plain and the western part ofthe Racibórz Basin.
    Źródło:
    Przegląd Geologiczny; 2012, 60, 10; 539--545
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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