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
British Guiana shipped to British Guiana to renovate the aged system. The lines ceased to operate in 1972, but the large Central Station is still standing in Georgetown. Some of the inland mines still operate narrow-gauge lines. The British long continued the forms of Dutch colonial government in British Guiana. A Court of Policy exercised both legislative and executive functions under the direction of the colonial Governor (which existed from 1831 to 1966). A group known as the Financial Representatives sat with the Court of Policy in a Combined Court to set tax policies. A majority of the members of the Courts