Borders of Suriname in the treaty was the result of an arbitration process that was headed by King Victor Emmanuel III of Italy. The treaty was signed in Rio de Janeiro on May 5, 1906. Brazil and the Netherlands both ratified the treaty in 1908. Borders of Suriname The borders of Suriname are subject to longstanding disputes between Suriname and its neighbouring countries Guyana and France (via French Guiana). Only the border with Brazil has been uncontroversial since 1906. In 1860, the question was posed from the French side, which of the two tributary rivers of the Marowijne River (also called Maroni and
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