Dartmoor represents one of the largest areas of exposed granite in the United Kingdom, covering an area of 368 square miles (950 km2).[1] It is part of a chain of granite stretching through Cornwall, as far as the Isles of Scilly.
Some of the more durable granite survived to form the rocky crowns of Dartmoor tors. One of the best known[citation needed] is at Haytor (50°34′49″N3°45′19″W / 50.5802°N 3.7552°W / 50.5802; -3.7552) on the eastern part of the moor, whose granite is of unusually fine quality and was quarried from the hillside below the tor during the 19th and early 20th centuries. Its stone was used to construct the pillars outside the British Museum in London, and to build London Bridge. The last granite to be quarried there was used to build Exeter War Memorial in 1919.
In addition there are hills which incorporate 'tor' in their name but yet do not feature the geomorphological feature described in this article. Examples include Mam Tor and Shining Tor.[2]
Part of the Angel Rocks formation in AlaskaStone Mountain is a quartz monzonite dome monadnock and the site of Stone Mountain Park near Stone Mountain, Georgia.
