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Abstract

The evidence gathered in this study deals with the surface and sub-surface deposits of the intertidal zone of the upper Tay estuary, Scotland. The intertidal zone deposits of salt marshes, upper mud flats and lower sand flats were excavated and vertical sections upto 50 cm deep examined. The data collected in the field were interpreted by plotting on sediment section logs. A model cross section constructed along the survey line in conjunction with characteristic features of each sub-zone deposit indicates that the salt marsh1 deposits overlie the upper mud flat deposits and the mud flats themselves overlie the lower sand flat deposits. This may be of use id the recognition of fossil estuarine intertidal deposits.