case studies

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high force

A waterfall I have studied is high force located on the river tees in county Durham. It is the tallest waterfall in England. It is made from harder rock on the top and softer rock underneath. The upper band is made out of whinstone, a very hard rock that takes a long time to erode,and the under section is made of carboniferous limestone, a softer rock which is more easily eroded by the waterfall. The underlying softer rock is undercut and erodes further which leaves an over hang at the top. As the river erodes

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