The proposed interpretation of Pleistocene stratigraphy, which results from recent 6-inch geological surveys in the Chelmsford and Norwich areas is at variance with generally accepted correlations relating to the drift deposits of East Anglia. The evidence for the existence of the Gipping Till and its associated glaciation is critically examined. It is concluded that widespread chalky boulder clay was formed during only one glacial episode. It is also suggested that the Hoxnian and Ipswichian deposits in East Anglia are closer in time than has been thought hitherto, and that the main glaciation of East Anglia is the penultimate (Wolstonian).

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