Guiana Shield Guiana Shield The Guiana Shield is one of the three cratons of the South American Plate. It is a 1.7 billion-year-old Precambrian geological formation in northeast South America that forms a portion of the northern coast. The higher elevations on the shield are called the Guiana Highlands, which is where the table-like mountains called tepuis are found. The Guiana Highlands are also the source of some of the world's most spectacular waterfalls such as Angel Falls, Kaieteur Falls and Kuquenan Falls. The Guiana Shield underlies Guyana (previously British Guiana), Suriname (previously Dutch Guiana) and French Guiana (or Guyane), most of
Oxford Falls, New South Wales Governor of New South Wales (1937–1946). Oxford Falls Post Office opened on 2 January 1924 and closed in 1984. The Oxford Falls are two waterfalls on Middle Creek, which flows north to meet Oxford Creek. Meandering Creek flows into Middle Creek. Wheeler Creek forms part of the border with Cromer. Garigal National Park borders the suburb, to the north. Oxford Falls has a number of trails suitable for mountain bike riding including downhill and free-ride trails. Oxford Falls, New South Wales Oxford Falls is a suburb of northern Sydney, in the state of New South Wales, Australia 20 kilometres north-east