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Wave-cut platform at Southerndown, South Wales, UK. A wave-cut platform, shore platform, coastal bench, or wave-cut cliff is the narrow flat area often found at the base of a sea cliff or along the shoreline of a lake, bay, or sea that was created by erosion. Wave-cut platforms are often most obvious at low tide when they become visible as huge ...
Its 'flatness' is derived from the relatively undeformed layers of its sedimentary formation. The island is famous for its spectacular erosional features, such as sea stacks and wave-cut platforms. [16] Lung Lok Shui, which means 'dragon diving into water,' is a well-known geological formation that looks like a dragon's back descending into the ...
A marine terrace represents the former shoreline of a sea or ocean. It can be formed by marine abrasion or erosion of materials comprising the shoreline (marine-cut terraces or wave-cut platforms); the accumulations of sediments in the shallow-water to slightly emerged coastal environments (marine-built terraces or raised beach); or the bioconstruction by coral reefs and accumulation of reef ...
Subsequent wave erosion along uplifted portions of the coastline produces an inset wave cut platform and terrace riser below the abandoned marine terrace surface that formed initially at sea level. Uplift can therefore lead to a sequence of marine terraces at a few distinct elevations along the coast.
Following the volcanic activity, a basin formed in the northeast, with deposition in a brackish lake—producing the siltstones and chert of Tung Ping Chau, which have been dated from the early Paleogene period. It is also home to some spectacular cliffs and wave-cut platforms. Landforms such as these are very rarely found in the rest of Hong Kong.
A wave-cut platform forms after erosion and retreat of a sea cliff has been occurring for a long time. Gently sloping wave-cut platforms develop early on in the first stages of cliff retreat. Later, the length of the platform decreases because the waves lose their energy as they break further offshore. [24] [clarification needed]
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The northern section is the wave-cut platform alongside Ogmore-by-Sea. The southern section, with a short gap, covers both the intertidal areas and the cliffs and grassy cliff-tops of Dunraven Bay, Trwyn y Witch headland and the valleys and shoreline of Cwm Mawr and Cwm Bach. [ 2 ]