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    Wyświetlanie 1-4 z 4
    Tytuł:
    Conditions of sedimentation in the Weichselian glaciomarginal zone of northeast ern Germany
    Autorzy:
    Górska-Zabielska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2060222.pdf
    Data publikacji:
    2008
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    northeastern Germany
    Pomeranian phase
    lithofacial analysis
    environmental architecture components
    Opis:
    The conditions of glacigenic sedimentation during the Pomeranian Phase of the Weichselian Glaciation in northeastern Germany are reconstructed on the ba sis of the typical lithofacies successions and the depositional architecture of the distal and proximal parts of a sandur, as well as of those in the hinterland area of the glaciomarginal zone. The proximal parts of the sandur are characterized by the occurrence of boulders, pebbles and gravels, and horizontally stratified sands cut by large channel troughs in the upper parts. The occurrence of the channel structures indicates frequent torrential ablation floods. Horizontally and cross-stratified rhythms of sandy and gravelly lithofacies, indicating pulsatory ablation flows, are also frequent. The distal part of the sandur is dominated by horizontally stratified sands and sands with low- angle tabular cross-stratification. In the hinter land of the Pomeranian Glaciation, a thick layer of till is present, which locally is glaciotectonically deformed. Moraines left during glacial retreat, with gravity-redeposited till, are also present.
    Źródło:
    Geological Quarterly; 2008, 52, 2; 157-157
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of Sediments in the North-East Morainic Upland Edge Zone in the Vicinity of Piaski Pomorskie (West Pomerania, NW Poland)
    Autorzy:
    Paluszkiewicz, Ryszard
    Paluszkiewicz, Renata
    Powiązania:
    https://bibliotekanauki.pl/articles/1052742.pdf
    Data publikacji:
    2016-03-15
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    morainic upland edge zone
    lithofacies analysis
    the Pomeranian Phase
    west Pomerania
    Opis:
    The aim of this article is the description of lithofacies characteristics of sediments forming the north-east part of the morainic upland edge zone in the vicinity of Piaski Pomorskie (west Pomerania). the paper undertake also an attempt to reconstruct paleogeographical conditions of the formation of moranic uppland edge. The diversification of glaciofluvial and fluvial processes during the phase of stagnation and recession of uppervistulian ice-sheet in the vicinity of Piaski Pomorskie (western Pomerania) led to the formation of a morainic upland edge distinctly marked in morphology The edge zone separates the undulating moraine plateau from a lower situated Dębnica River Valley. This area is mostly formed by fine-grained sands with occasional layers of a coarser fraction of gravel and coarse- and medium-grained sands. The observed type of low-angle cross-stratification and trough cross-stratification indicates the dominance of diversified energy depositional environment with considerable power of water as transporting medium. the research area was formed at the front of the ice-sheet, which receded from the nearby reach of the Pomeranian Phase of the weichselian glaciation.
    Źródło:
    Quaestiones Geographicae; 2016, 35, 1; 29-36
    0137-477X
    2081-6383
    Pojawia się w:
    Quaestiones Geographicae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Petrographic analyses and indicator erratics of gravels of the Odra lobe
    Autorzy:
    Górska-Zabielska, Maria
    Zabielski, Ryszard
    Powiązania:
    https://bibliotekanauki.pl/articles/2026730.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    petrography of glacial gravels
    Scandinavian erratics
    Pomeranian phase
    Odra lobe
    north-eastern Germany
    north-western Poland
    Opis:
    Fennoscandinavian er rat ics found in the gla cial de pos its till and in the glaciofluvial sed i ments within the main limit of the Odra gla cier lobe (NW Po land and NE Ger many), have been ex am ined in two frac tions: of 4–10 mm and 20–60 mm. The most nu mer ous in the frac tion of 4–10 mm are: crys tal line rocks (Cr; 35–40%) orig i nat ing in the Pro terozoic Bal tic Shield as well as Lower Palaeozoic lime stones (LPL; 35–40%) – from the sed i men tary sheet cov er ing the Pro tero zoic Bal tic Shield in the area of cen tral Bal tic Sea. Per cent age of sand stones (S) amounts to 10–15%. The remain ing rock types (sev eral per cent each) are: Palaeozoic shales (PS), the out crops of which are lo cal ized in Scania (Sk¯ne) and on Born holm, Cre ta ceous lime stones (CL) and flintstones (F) orig i nat ing from the west ern part of the south ern Bal tic Sea as well as quartz (Q), milk quartz (MQ) and iso lated grains of De vo nian dolomites (DD). From the anal y sis of in di ca tor er rat ics, which was car ried out in the 20–60 mm frac tion, it ap pears that mainly the out -crops lo cal ized in Sm¯land (e.g. red and grey Växjö gran ites, P¯skallavik por phy ries or Tessini and Kalmarsund sand - stones) as well as in Scania (Höör and Hardeberga sand stones) and Re gion Blekinge–Born holm (e.g. Karlshamn and Halen gran ites as well as NexÝ and Bavnodde sand stones) had been sub jected to the gla cial pluck ing. The o ret i cal boul der cen tres (TBC, Ger man: TGZ das Theoretische Geschiebezentrum, Lüttig 1958), which were cal cu lated for 23 sam ples, are lo cal ized mostly in a small area in Sm¯land, be tween 15°E–16°E and 56.5°N–58.5°N. Apart from in di ca - tor er rat ics the sta tis ti cal ones are nu mer ous, that are first of all grey and red Lower Palaeozoic lime stones with their out crops lo cal ized at the bot tom of the cen tral Bal tic Sea. Tak ing into ac count the TBC val ues of in di ca tor er rat ics as well as high per cent age of sta tis ti cal er rat ics it can be pro nounced that the sec tion of cen tral and west ern Bal tic Sea as well as the one of south-east ern Swe den had been sub jected to the heavi est gla cial pluck ing by that part of the Pleis to - cene ice-sheet which reached the stud ied area dur ing the Pom er a nian Phase.
    Źródło:
    Studia Quaternaria; 2010, 27; 17-25
    1641-5558
    2300-0384
    Pojawia się w:
    Studia Quaternaria
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Is the Charlottenthal fan (marginal zone of the Pomeranian phase, NE Germany) an end moraine?
    Autorzy:
    Pisarska-Jamroży, Małgorzata
    Börner, Andreas
    Powiązania:
    https://bibliotekanauki.pl/articles/94327.pdf
    Data publikacji:
    2011
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    transitional fan
    glaciofluvial sediment
    gravel petrography
    Weichselian glaciation
    Pomeranian Phase
    NE Germany
    osady fluwioglacjalne
    żwiry petrograficzne
    Pomorze
    północne Niemcy
    Opis:
    The maximum ice-sheet extent of a glaciation or glacial phase is in most cases indicated by the position of end moraines. In some cases, however, the maximum extent of the ice sheet is indicated by a fan which represents the transitional zone between the end moraine and the proximal outwash plain (sandur). Such a fan from the Pomeranian phase near Charlottenthal in NE Germany has been investigated for its lithofacies, and the depositional mechanisms of the two sedimentary environments (end moraine and outwash plain) are reconstructed. The Charlottenthal profile is not characteristic in a sedimentological sense of a typical marginal end moraine or a sandur. The deposits represent subaerial debris flows, sheet floods and channelized currents, which are typically processes for transitional fan. Gravel samples from the till complex show typical Weichselian till compositions. These till compositions indicate a general transport direction from North to South, which is consistent with the known movement of the ice sheet during the Pomeranian phase of the Weichselian.
    Źródło:
    Geologos; 2011, 17, 1; 17-28
    1426-8981
    2080-6574
    Pojawia się w:
    Geologos
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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