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1 Geological Quarterly

1 2003

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Correlation of genetic and morphometric types of Šventoji River catchment relief (north-east Lithuania)

Česnulevičius A., Morkunaite R.

Geological Quarterly

2003

Vol. 47, No 2

149-154

The Šventoji is a river of the Baltic Upland. The catchment of the Šventoji is teardrop-shaped up to 50–60 km wide, and 160 km long. Most of the catchment is situated in the Aukštaičiai Upland and the Western Aukštaičiai Plateau. The surface of the catchment was formed by Quaternary ice sheets that deposited a moraine layer 100–200 m, the thick topographic relief dating to the late Nemunas (Weichselian) Glaciation phases. The eastern part of catchment was formed in the East Lithuanian Phase, the middle part in the South Lithuanian Phase and the western part in the Middle Lithuanian Phase. The catchment surface is composed of three different genetic relief types: the ice-marginal deposits of the East Lithuanian Phase, represented by small hills; the middle part of the Šventoji catchment, transected by a few ice-marginal ridges of the South Lithuanian Phase which form small hills; and the western part of the catchment is transected by a few asymmetric ridges of the Middle Lithuanian Phase. The eastern part dominantly comprises ice-marginal deposits with glaciolacustrine and glaciofluvial intercalation; the middle part comprises variable glaciolacustrine, basal moraine and ice-marginal deposits; the western part by basal moraine and ice-marginal deposits.