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
South East Coast of America Station between 1869 and 1874. From 1870 it was commanded by a captain, designated the "senior officer", and comprised just three gunboats although it had responsibility for the Western Atlantic from Brazil South. The squadron's only permanent base was a coal station at Stanley on the Falkland Islands. It was disbanded altogether in 1905. In September 1914 Rear-Admiral Sir Christopher Cradock was ordered south to re-establish the station in the face of the German threat at the start of the First World War. His squadron was destroyed at the Battle of Coronel on 1 November 1914. Commanders included: South East Coast