Suffolk - Geology, Landscape and Ecology

Geology, Landscape and Ecology

Much of Suffolk is low-lying, founded on Pleistocene sand and clays. These rocks are relatively unresistant and the coast is eroding rapidly. Coastal defences have been used to protect several towns, but several cliff-top houses have been lost to coastal erosion in the past, and others are under threat. The continuing protection of the coastline and the estuaries, including the Blyth, Alde and Deben, has been, and remains, a matter of considerable discussion.

The coastal strip to the East contains an area of heathland known as "The Sandlings" which runs almost the full length of the coastline. Suffolk is also home to nature reserves, such as the Trimley Marshes, a wetland under the protection of Suffolk Wildlife Trust.

The west of the county lies on more resistant Cretaceous Chalk. This chalk is the north-eastern extreme of the Southern England Chalk Formation that stretches from Dorset in the south west to Dover in the south east. The Chalk is less easily eroded so forms the only significant hills in the county. The highest point of the county is Great Wood Hill, the highest point of the Newmarket Ridge, near the village of Rede which reaches 128 m (420 ft).

The county flower of the county of Suffolk is the oxlip

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