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Headlands and bays form on discordant coastlines, where bands of rock of alternating resistance run perpendicular to the coast. Bays form when weak (less resistant) rocks (such as sands and clays) are eroded, leaving bands of stronger (more resistant) rocks (such as chalk, limestone, and granite) forming a headland, or peninsula.
This list catalogues about 400 of the coastal landforms of the island including bays, estuaries, harbours, headlands, and many others. [3] [4] [5] Most offshore features such as islands, stags , and rocks are omitted but are presented at List of islands of Ireland. A list of beaches is available at List of beaches in Ireland.
The differing resistance to erosion leads to the formation of headlands and bays. A hard rock type such as granite is resistant to erosion and creates a promontory whilst a softer rock type such as the clays of Bagshot Beds is easily eroded creating a bay.
Cape of Good Hope (left) and Cape Hangklip (right) in South Africa, from space Cape Tisan in Mersin Province, Turkey Cape Tindari and Marinello lagoons, Sicily. In geography, a cape is a headland, peninsula or promontory extending into a body of water, usually a sea. [1]
The coastline of the United Kingdom is formed by a variety of natural features including islands, bays, headlands and peninsulas. It consists of the coastline of the island of Great Britain, the north-east coast of the island of Ireland, as well as many much smaller islands. Much of the coastline is accessible and quite varied in geography and ...
Freshwater Bay, Isle of Wight is an example of an area of concordant coastline - the town of Freshwater is situated on a cove which formed in the hard chalk coastline.. In coastal geography, a concordant, longitudinal, or Pacific type coastline occurs where beds, or layers, of differing rock types are folded into ridges that run parallel to the coast. [1]
Bays may also be nested within each other; for example, James Bay is an arm of Hudson Bay in northeastern Canada. Some large bays, such as the Bay of Bengal and Hudson Bay, have varied marine geology. [citation needed] The land surrounding a bay often reduces the strength of winds and blocks waves. Bays may have as wide a variety of shoreline ...
The more significant ones have been tagged with an *. Headlands around the British coast are most commonly named as 'point', 'ness' or 'head' though 'trwyn' (nose), 'penrhyn' (peninsula) and 'pen' (head) are common in Wales as is 'rubha' in western Scotland. Below is a list of headlands of the United Kingdom sorted by county.