Geology of Kent to uplift, sedimentation, and marine erosion. The Isle of Thanet was till recently (AD 960) an island, formed around a deposit of chalk. The channels silted up with alluvium. Similarly Romney Marsh and Dungeness have been formed by accumulation of alluvium. Kent's principal river, the River Medway, rises near Edenbridge and flows some 25 miles (40 km) eastwards to a point near Maidstone, when it turns north. Here it breaks through the North Downs at Rochester before joining the River Thames as its final tributary near Sheerness. The river is tidal as far as Allington lock, but in earlier times
The River Flows other unreleased material. "(Note these musicians are those present for the 4th disc - see individual entries for the first three.)" The River Flows The River Flows: Anthology Vol. 1 is a progressive rock 4-CD album by Iona, released in 2002. It is a box set collection of their first three studio albums with some re-recording plus a fourth disc which is a collection of additional material from throughout the years. The band's first album, "Iona", has the re-recorded tracks and each of the first three is subtly re-mastered. CD 4 contains new and previously unreleased material including Iona's soundtrack