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    Wyświetlanie 1-4 z 4
    Tytuł:
    Litostratygrafia plejstoceńskiego tarasu wysokiego doliny Łagowicy w rejonie Masłowca (SE część Gór Świętokrzyskich)
    Lithostratigraphy of the Pleistocene high meadow terrace of the Lagowica Valley near Mas3owiec (SE part of the Holy Cross Mountains)
    Autorzy:
    Ludwikowska-Kędzia, M.
    Wiatrak, M.
    Olszak, I.
    Bluszcz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074436.pdf
    Data publikacji:
    2006
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    litostratygrafia
    taras rzeczny
    plejstocen
    Góry Świętokrzyskie
    lithostratigraphy
    river terraces
    Pleistocene
    Holy Cross Mountains
    Opis:
    The lithostratigraphy of the Pleistocene high meadow terrace deposits in the Łagowica Valley near Masłowiec, southeastern part of the Holy Cross Mountains, central Poland, is presented against the background of geological features and relief of the valley in the Łagów–Ruda segment. The lithostratigraphic divisions for the Holy Cross Mountains assume Middle- Polish Glaciation age for high terraces in valleys. Hypsometry of terraces often served to estimate their age. Detailed sedimentological analysis of deposits forming the terrace of the Łagowica Valley near Masłowiec (textural and structural features, TL and OSL datings) have indicatived a complex fluvial-deluvial origin of the deposits and their Plenivistulian, not Middle Polish Glaciation age. The actual aggradation of the valley bottom has been partly masked by slope processes, which due to local lithostructural conditions, significantly participated in the Łagowica Valley bed aggradation. This problem is well-known in other upland regions of Poland and has been only briefly noted in the Holy Cross Mountains. The research methods and results can be useful in establishing the origins of deposits building meadow terraces, also then when only borecore material is available. The methods can also faciltate stratigraphic interpretation of deposits dated with TL and OSL methods
    Źródło:
    Przegląd Geologiczny; 2006, 54, 11; 953-962
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Późnoplejstoceński rozwój doliny Niemna w rejonie Grodna na Białorusi
    Late Pleistocene evolution of the Niemen River valley near Grodno in Belarus. Prz. Geol.
    Autorzy:
    Lindner, L.
    Sańko, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074560.pdf
    Data publikacji:
    2008
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Białoruś
    dolina rzeki Niemen
    zlodowacenie poozierskie
    Belarus
    Niemen River valley
    Poozerian Glaciation
    river terraces
    Opis:
    Based on geological and paleobotanic data, the oldest valley system of the Niemen River is linked in the study area with a river located southward of Grodno, within a parallel valley from the Alexandrian (Mazovian) Interglacial. The foundations of the present-day, almost meridian course of the Niemen River valley, are connected with a system of post-glacial lakes from the Sozhian (Wartanian) Stadial of the Pripethian (Odranian) Glaciation, later filled with organic deposits of the Muravian (Eemian) Interglacial. Analysis of six sites with these deposits (Pyszki, Rumlówka, Poniemuń, Żukiewicze, Bohatyrowicze and Kniażewodce) indicates that they represent three lakes located at different altitudes. During the maximal range of the Dvinian (Main) Stadial of the Poozerian (Vistulian) Glaciation, the lakes were beyond the range of the ice-sheet. At this time, the highest located deposits of the Poniemuń-Żukiewicze lake were covered by sander sediments, whereas the Bohatyrowicze-Kniażewodce and Pyszki-Rumlówka lakes that were located at lower levels, were covered by fluvio-periglacial deposits and varved clays of the Skidel ice-dammed lake. Retreat of the ice-sheet of the Dvinian Stadial, resulting in outflow of water from the Skidel ice-dammed lake through the area with the two lower interglacial lakes, triggered the formation of a system of the Niemen River supra-flood terraces above them. Accumulation of the highest of these terraces (VI), during the first phase of the Skidel lake outflow, marks the beginning of the present-day Niemen River valley formation that probably began in the younger phases of the Dvinian ice-sheet retreat. Further evolution of the valley is linked with the Late Glacial formation of the middle (III-V) supra-flood terraces and with the Holocene formation of the lower (II, I) supra-flood terraces.
    Źródło:
    Przegląd Geologiczny; 2008, 56, 1; 73-80
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tarasy rzeczne Nysy Kłodzkiej oraz drobne plejstoceńskie struktury tektoniczne w strefie sudeckiego uskoku brzeżnego i przełomu bardzkiego w Janowcu
    Terraces of Nysa Kłodzka river and small-scale tectonic structures close to the Sudetic Marginal Fault at Janowiec [Bardo Mts.]
    Autorzy:
    Badura, J.
    Przybylski, B.
    Tokarski, A.
    Świerczewska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074547.pdf
    Data publikacji:
    2007
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Nysa Kłodzka
    tarasy rzeczne
    klasty
    pleistocen
    Nysa Kłodzka River
    neotectonics
    river terraces
    fractured clasts
    Pleistocene
    Opis:
    New research in the N part of the Bardo Gorge [close to the Sudetic Marginal Fault] evidenced the occurrence of two hitherto unknown Pleistocene river terraces. The terraces were interpreted basing on digital elevation model [DEM] 1;10,000 and radars sweeping of the Earth’s surfaces [DETM level 2]. Moreover, the results of petrographical analysis of deposits exposed in the 22 high river terrace show two-tier structure of the terrace. This suggest a polygenetic age of the terrace. Within the last terrace fractured clasts and small-scale faults were observed. Fractured clasts were studied in the bottom part of the 22-m-high river terrace where numerous fractured clasts occur. This part of the terrace is composed of gravels containing clasts up to 80 cm across. The matrix is sandy-clayey. The fractures are usually restricted to particular clasts. The fractures compose two sets striking NW-SE and N-S. Gravels exposed in the uppermost part of the terrace are cut by few strike-slip, N-S striking, sub-vertical faults which can be traced along a vertical distance up to 50 cm. These faults cut the gravel matrix but omit clasts. Fractures cutting the clasts do show a well organized architecture which is independent of orientation of a-b surfaces of the host clasts. These features indicate that the fractures were formed in situ within the studied gravels. Furthermore, for the majority of fractures, the angle between the fracture and the a-b surface of the host clast is less than 80, confirming the in situ origin of fractures. The fractures of one set are parallel to the strike of the Sudetic Marginal Fault. This suggests that the origin of the fractures is related to that of the fault. The fractures of the second set may represent Riedel shears associated with the activity of the Sudetic Marginal Fault. The orientations of minor faults confirm this supposition. Summing up, we believe that during the Pleistocene, the Sudetic Marginal Fault was a dextral strike-slip fault, at least in the discussed area.
    Źródło:
    Przegląd Geologiczny; 2007, 55, 3; 228-228
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tarasy Białki w rejonie Jurgowa i ich związki z lodowcami tatrzańskimi
    Terraces of the Białka River at Jurgów (Podhale, Poland) and their connections with the glaciers of the Tatra Mts.
    Autorzy:
    Pliszczyńska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074922.pdf
    Data publikacji:
    2012
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Dolina Białki
    zlodowacenia
    Tatry
    koniec zlodowacenia
    glacjofluwialne tarasy
    Białka Valley
    glaciations
    Tatra Mts.
    glacier limits
    glaciofluvial terraces
    Opis:
    The paper presents examination of views on number and age of glaciations in the Tatra Mts. and a new interpretation of palaeogeomorphology of the Białka Valley at Jurgów in the Podhale region (Poland). Author took 20 samples of pebbles (2-10 cm in diameter) from surface of Quaternary terraces. Petrographic analyses (petrographic composition of terrace deposits, weathering degree of granite pebbles and content of cracked granite) were carried out. Results of these analysis were used to estimate the age of terraces. The studies showed presence of four glaciofluvial terraces (VIb-IV) of the Riss 1, Riss 2 and Würm glaciations and three fluvial terraces (III-I) of the Holocene age. The paper also contains a description of probable glacial deposits (lateral moraines?) from the Mindel glaciation.
    Źródło:
    Przegląd Geologiczny; 2012, 60, 2; 103-109
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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