Scotland
In
comparison, much of lowland Scotland receives less than 800 mm (31 in) annually. Heavy snowfall is not
common in the lowlands, but becomes more common with altitude. Braemar experiences an average of 59
snow days per year, while coastal areas have an average of fewer than 10 days.
The Southern Uplands are a range of hills almost 200 kilometres (125 mi) long, interspersed with broad
valleys. They lie south of a second fault line (the Southern Uplands fault) that runs from the Rhinns of
Galloway to Dunbar. The geological foundations largely comprise Silurian deposits laid down some 4500
million years ago. The high point of the Southern Uplands is Merrick with an elevation of 843 m (2,766 ft).
The Central Lowlands is a rift valley mainly comprising Paleozoic formations. Many of these sediments have
economic significance for it is here that the coal and iron bearing rocks that fuelled Scotland's industrial
revolution are to be found
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