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
History of French Guiana Amerindian attacks. In 1658 the Dutch West Indies Company seized French territory to establish the Dutch colony of Cayenne. The French returned once more in 1664, and founded a second settlement at Sinnamary (this was attacked by the Dutch in 1665). In 1667 the English seized the area. Following the Treaty of Breda on 31 July 1667 the area was given back to France. The Dutch briefly occupied it for a period in 1676. After the Treaty of Paris in 1763, which deprived France of almost all her possessions in the Americas other than Guiana and a few islands, Louis