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sciencing.com/cliffs-formed-5120524.html

Cliffs are steep formations of rock that occur frequently in nature along coasts, riverbeds and in mountainous regions. Cliffs can be formed by several different natural phenomena, though often the formation of cliffs involved tectonic activity.

en.wikipedia.org/wiki/Cliff_formation

In geography and geology, a cliff is a vertical, or nearly vertical, rock exposure. Cliffs are formed as erosion landforms by the processes of weathering and erosion. Cliffs are common on coasts, in mountainous areas, escarpments and along rivers. Cliffs are usually formed by rock that is resistant to weathering and erosion.

www.nationalgeographic.org/encyclopedia/cliff

Cliffs are usually formed because of processes called erosion and weathering.Weathering happens when natural events, like wind or rain, break up pieces of rock. In coastal areas, strong winds and powerful waves break off soft or grainy rocks from hardier rocks. The harder rocks are left as cliffs.

golearngeo.wordpress.com/2010/08/23/formation-of-cliffs...

3. Further erosion causes the overhanging part of the cave to collapse into the sea and a cliff is left behind. 4. Continuous erosion causes the cliff to move back or retreat inland. Over time, a wave-cut platform is formed at the foot of the cliff. CLIFF & WAVE CUT PLATFORM FORMATION CLIFF & WAVE CUT PLATFORM PICTURES

www.cliffsofmoher.ie/.../2016/06/Cliffs-of-Moher-Geology.pdf

Cliffs of Moher Geology The rocks that make up the Cliffs of Moher were formed over 300 million years ago during the Upper Carboniferous period. Bands of Namurian sandstone, siltstone and shale are exposed in a spectacular fashion and here one can study an example of a sedimentary basin normally only visible under the sea.

geographyas.info/coasts/features-of-erosion

When a wave breaks on a cliff, all of the wave’s energy is concentrated on one specific point and this section of the cliff experiences more rapid erosion via corrasion. This eventually leads to the formation of a wave cut notch, when the cliff has been undercut.

www.answers.com/Q/Formation_of_a_cliff

A sea cliff is a high, steep rocky formation that is found on the edges of land on the coast. Sea Cliffs are quite common features found along exposed coastlines. They are formed by physical ...

www.bbc.com/bitesize/guides/zyfd2p3

is formed by erosional processes such as abrasion and hydraulic action - this is a dent in the cliff usually at the level of high tide. As the notch increases in size, the cliff becomes unstable ...

en.wikipedia.org/wiki/Cliffed_coast

A cliffed coast, also called an abrasion coast, is a form of coast where the action of marine waves has formed steep cliffs that may or may not be precipitous. It contrasts with a flat or alluvial coast. A cliffed coast in Sydney with houses and apartments.

www.alevelgeography.com/landforms-of-erosion

Landforms of erosion. There is a range of landforms of erosion found along the coast. These are determined by geology, rates of erosion and beach profile. Headlands and bays. Headlands and bays most commonly form along discordant coastlines. Discordant coastlines form where geology alternates between bands of hard and soft rock (see image below).