Coastlines and Erosion 0.0 / 5 ? GeographyCoastal zonesGCSEEdexcel Created by: CurlotCreated on: 03-05-14 19:24 Resistant Rock Hard Igneous rocks e.g Basalt and Granite (Iceland) 1 of 9 Fairly Resistant Sedimentary rock e.g Sandstone, Chalk and Limestone (Dover) 2 of 9 Less Resistant Soft- weak sedimentary e.g clay and shale -these erode fast (East Yorkshire) 3 of 9 Hard Rock Coastline High Steep Cliff, often bare with little rock loss and few boulders at the bottom (Cornwall) 4 of 9 Soft Rock Coastline Less rugged more shallow cliffs, May have piles of slipping mud and clay with few rock some sand and mud at the foot of the cliff. 5 of 9 Hydraulic Action Resulting from the force of the water hitting causing pockets of air int cracks and crevices in the cliff face. 6 of 9 Abrasion Waves picking up stones and hurling at the cliff, therefore wearing the rock away. 7 of 9 Corrosion Chemicals in the water dissolving the rocks 8 of 9 Atrition Any material carried by the waves will become rounder and smaller over time as they collide with particles. the sharp edges get worn off. 9 of 9
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