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
South American U20 Championships in Athletics Medals are awarded for individuals and relay team members for the first three places in each event. Trophies are awarded to teams in each category (male and female) with the highest total number of cumulative points in the entire competition. In addition, a trophy will be given to the country for the overall title. A trophy is also presented to both a male and a female athlete for the most outstanding performance. South American U20 Championships in Athletics The South American Junior Championships in Athletics are the South American championships in the sport of athletics which is open for those