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Wyszukujesz frazę "strefa glacimarginalna" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Kame or moraine? A sedimentological study of a glaciomarginal landform at Niedźwiedziny (Great Polish Lowland)
Autorzy:
Ewert-Krzemieniewska, A.
Powiązania:
https://bibliotekanauki.pl/articles/94579.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
sedimentology
glaciomarginal zone
kame
Weichselian
Middle Poland
sedymentologia
strefa glacimarginalna
kem
Środkowa Polska
Opis:
A sedimentary succession in a gravel pit at Niedźwiedziny was investigated in order to determine its origin: kame or moraine. The gravel pit is located in an isolated hill of approx. 600 m long and 250–400 m wide. The succession is built of glaciofluvial deposits: a sandy/gravelly unit in the lower and middle parts, overlain by diamicton. Five lithofacies have been distinguished, which represent two facies associations: (1) a fluvial association evolving from a high-energy to a transitional to a shallow braided river on an alluvial fan, and (2) an association of cohesive deposits representing a glacigenic mass flow. The interpretation is based mainly on palaeocurrent data and differs from conclusions by earlier investigators. The ice-marginal zone is characterised by a large variety of glaciomarginal forms. Their sedimentology, morphology and palaeogeography are determined by successive phases of deglaciation. The results of the present study show that the character of the deglaciation in the study area changed with time from frontal to areal deglaciation.
Źródło:
Geologos; 2014, 20, 3; 167-181
1426-8981
2080-6574
Pojawia się w:
Geologos
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rozwój strefy glacimarginalnej na przedpolu Beskidu Śląskiego (dział bielski Pogórza Śląskiego)
Evolution of the glaciomarginal zone in the Silesian Beskid foothill (Bielsko division of the Silesian Foothills)
Autorzy:
Salamon, T.
Powiązania:
https://bibliotekanauki.pl/articles/2075125.pdf
Data publikacji:
2014
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
glaciomarginal zone
glaciolacustrine sedimentation
Sanian Glaciation
Carpathian Foothill
strefa glacimarginalna
sedymentacja glacialna
zlodowacenie
Pogórze Śląskie
Opis:
The paper presents the succession of Sanian Glaciation sediments recognized in the Swiętoszówka site, Southern part of the Silesian Foothills (Bielsko division). The following deposits were found: a unit ofgravels deposi- ted in a system offoremountain alluvialfans, a unit of silts deposited in a glaciomarginal dammed lake, and a glacial till. Glaciogenic deposits are covered with loess-like deposits. The development of the glaciomarginal zone was influ- enced mainly by the pattern ofbasement relief. In the northern part of the foothill, in the northward-oriented valleys, glacially dammed lakes were mainlyformed. During transgression, waterfrom these reservoirs was pushed in front of the ice-sheet margin towards the southern part of the low-relieffoothill. The individual lakes probably merged there into one larger glaciomarginal lake. It was characterized by low-energy conditions and deposition mainly from suspension. Sedimentation style in the lake changed over time and was dependent on the size and shape of the lake and its position in relation to the ice-sheet margin, which determined thewidth and distribution ofzones of sediment supply and the dynamics ofdepositional processes in the lake.
Źródło:
Przegląd Geologiczny; 2014, 62, 2; 103--110
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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