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
Australian south-east coast drainage division and the associated Australian Alps. Major rivers of the division, from north to south, then east to west include the Clarence, Macleay, Hunter, Hawkesbury-Nepean, Shoalhaven, Clyde, Snowy, La Trobe, Hopkins, and Glenelg rivers. For administrative purposes, within the drainage division, the basins are generally classified into the following catchments, from north to south, then east to west: Australian south-east coast drainage division The south-east coast drainage division is the very long, narrow area of southern Australia between the Great Dividing Range and the Coral and Tasman seas, and the Bass Strait. It includes the small part of south-eastern South Australia