Abstract
Summary Some seventy-one shallow boreholes have been drilled in southern Nottinghamshire by the National Coal Board in recent years. These, together with earlier borings and surface exposures, have provided new information on the Keuper succession, on faulting, and on the depth and distribution of the superficial solution zone, from which gypsum has been removed. Sedimentary and other characters have been used in the correlation of cores, and have enabled eight formations to be established in the local succession; some of the marker bands persist over fifteen square miles or more. A complex rhythmic pattern, with repetitions, especially from finer to coarser beds, on various scales, has been observed throughout the Keuper sequence. A broad comparison is made with the German divisions, and with modern analogous conditions.
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