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Wyszukujesz frazę "Saalian" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Morphological and geological evidence for glaciotectonics in the area of the Saalian Glaciation, with special reference to Middle Poland
Autorzy:
Klatkowa, H.
Powiązania:
https://bibliotekanauki.pl/articles/294430.pdf
Data publikacji:
1999
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
glaciotectonics
relief
Saalian Glaciation
Middle Poland
Opis:
The definition of glaciotectonics to include both the effects of glaciodynamic processes and the effects of glacioisostatic processes has been generally accepted. In Poland, the glaciotectonic style of the Wartian zone is one of the most distinctive features of the Saalian area; glaciotectonic symptoms are numerous in the western part, but disappear in the east. Such a division extends beyond the Polish borders - as continuous thrust ridges in the west and as a sporadic phenomenon in the east. Attention is drawn to the relationships between geological structure and morphological features; they include such cases as : a direct reflection of thrusts in convex land forms, low-relief areas and relief inversion (in relation to the structure). Much importance has been attached to the marginal zone of the Łódź Plateau in Middle Poland. This paper reviews the main genetic hypotheses which, usually, are based on the mechanism, rather than palaeogeographical conditions. Despite much discussion, several problems remain, e.g.: -   why, allowing that the mechanism was similar, are there such regional differences; -   why are the marginal zone of the Warta Stadial and the western part of Europe so well endowed in this respect; -   could palaeoclimatic conditions (different patterns of glaciation and déglaciation), and could postglacial vertical compensatory movements have conditioned the regional variation?
Źródło:
Landform Analysis; 1999, 2; 19-35
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New findings of the Oslo region erratics in glaciofluvial deposits of NW Poland
Autorzy:
Lipka, Ewelina
Powiązania:
https://bibliotekanauki.pl/articles/294480.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Geomorfologów Polskich
Tematy:
Oslo rhomb porphyry
Oslo basalt
clast petrography
indicator erratics
Saalian glaciation
Opis:
Glacial erratics of the Oslo region are only occasionally found in Poland. This is because the Norwegian Channel ice stream did not reach this area. Recently a few specimens of rocks representing Oslo region have been found at the Owczary site (north-western Poland), what raised questions regarding the relative age of the deposits, as well as the depositional history of the erratics. The questions were addressed using lithofacies analysis, as well as structural and textural analyses, combined with clast petrography (medium and coarse gravel). Clast petrography analysis revealed that the deposits containing rocks of the Oslo region are of the late Saalian age (Warthe), though some evidence suggest the early Saalian age (Drenthe).
Źródło:
Landform Analysis; 2019, 38; 3-11
1429-799X
Pojawia się w:
Landform Analysis
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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