Geology of Kent into northern France. The fold arises from the continuing Alpine orogeny and results in the general northward dip of the rock strata in most of Kent. There are extensive spreads of coastal and estuarine alluvium on the Thames Estuary coast, in the low ground surrounding the Isle of Thanet and across Romney Marsh. Alluvium also floors the valleys of the River Medway and Stour. 'Clay-with-flints' is a commonly occurring deposit across the North Downs which is a product of periglacial conditions during the last ice age. Loessic deposists, of aeolian origin i.e. windblown, are common in east Kent, especially on
Marshland Rural District Marshland Rural District Marshland Rural District was a rural district in Norfolk, England from 1894 to 1974. It was formed under the Local Government Act 1894 based on the Marshland rural sanitary district, and was named after the Freebridge Marshland hundred. It covered an area to the west of King's Lynn on the borders of Lincolnshire and the Isle of Ely. In 1930 a new parish of Nordelph was created in Downham RD, taking land mostly out of the Marshland RD parishes of Upwell and Outwell. During the period 1933-1935 it absorbed most of the area of the disbanded Walsoken