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
French Guiana French overseas departments. It is largely responsible for the rapid population growth of French Guiana. The official language of French Guiana is French, and it is the predominant language of the department, spoken by most residents as a first or second language. In addition, a number of other local languages exist. Regional languages include Guianan Creole, six Amerindian languages (Arawak, Palijur, Kali'na, Wayana, Wayampi, Emerillon), four Maroon creole languages (Saramaka, Paramaccan, Aluku, Ndyuka), as well as Hmong Njua. Other languages spoken include Portuguese, Hakka, Haitian Creole, Spanish, Dutch, English, and Tamil, and Caribbean Hindustani. French Guiana, as part of France,