Abstract

Abstract From an analysis of recent Admiralty echo‐sounding information two major topographic types are identified in the offshore area between Newburgh and Montrose. They are separated by a major break of slope at about 30 fathoms. Above this break two subzones are found, respectively offshore from modern rocky and sediment‐dominated coasts. The origin and age of the macro‐topography and the individual features are discussed. The slope break is probably related to the junction of crystalline and sedimentary rocks. The ‘deeps’ are superimposed basal glacial meltwater channels formed beneath a Pleistocene ice sheet. Fossil deltas and alluvial fans are found in the large bays. The benches are of Pleistocene marine origin. No well‐defined sediment patterns are found.

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