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Geographical Siudies Evołuńon of ihe Ytstuła Ri\er Yalley PL ISSN 0373-6547

EWA N1EDZIAŁKOWSKA

THE TEXTURAL DIVERSITY OF UPPER QUATERNARY FLUVIAL DEPOSITS IN THE CARPATHIAN FORELAND

Studies of fluvial deposits have been carried out in two valleys extending in the Carpathian foreland: in the Wisłoka valley within the Sandomierz Basin and in the upper Vistula valley within the Oświęcim Basin (Fig. 1). The detailed characteristics of the Wisłoka valley morphology and infills, of both their ages and genesis, has been published in an earher work edited by L. Starkel (Alexandrowicz et al. 1981). Deposits occurring in the upper Vistula valley were studied by E. Gilot et al. (1982) and by E. Niedzialkowska et al. (1985). The following are the important problems of additional specialized study that have been used to analyse the sediments:

1) comparison of both grain size and abrasion parameters of various types of ancient deposits dating front different periods of both the Vistulian and the Holocene;