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Rock Armour

 Rock armour also known as riprap, shot rock,or rubble consists of layers of very hard rock with the largest, weighing up to several tonnes, on the top. Rock armour is said to have a very natural look and is positioned on shoreline of the bay. 

Rock armour is made from a variety of  rock types, commonly granite or limestone and sometimes concrete from recently destroyed things  i.e. buildings or pavement.

Concrete Rubble rock armour

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