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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 .
The Portland limestone is resistant to erosion; then to the north there is a bay at Swanage where the rock type is a softer greensand. North of Swanage, the chalk outcrop creates the headland which includes Old Harry Rocks. The converse of a discordant coastline is a concordant coastline.
The bay at Castletown, Isle of Man. The bay of Baracoa, Cuba. A bay is a recessed, coastal body of water that directly connects to a larger main body of water, such as an ocean, a lake, or another bay. [1] [2] [3] A large bay is usually called a gulf, sea, sound, or bight. A cove is a small, circular bay with a
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 ...
This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, including Earth science, oceanography, cartography, and human geography, as well as those describing spatial dimension, topographical features, natural resources, and the collection, analysis, and visualization of geographic ...
Calder's Geo, Shetland Geo of Sclaites at Duncansby Head, Caithness. A geo or gio (/ ɡ j oʊ / GYOH, from Old Norse gjá [1]) is an inlet, a gully or a narrow and deep cleft in the face of a cliff.
Bay – generic term; though most features with "Bay" in the name are small, some are very large; Gulf – a very large bay, often a top-level division of an ocean or sea; Fjord – a long bay with steep sides, typically formed by a glacier; Bight – a bay that is typically shallower than a sound
A gulf in geography is a large bay that is an arm of an ocean or sea. Not all geological features which could be considered a gulf have "Gulf" in the name, for example the Bay of Bengal or Arabian Sea. [1] [2]