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
Calhoun Falls, South Carolina South Carolina Highway 81. The former links the town with Elberton, Georgia, Athens, Georgia, and ultimately Atlanta to the west; and Abbeville, Greenwood, and ultimately metro Charlotte to the east. The latter links the town with Anderson to the north and McCormick to the south. Highway 72 has recently been re-routed around downtown Calhoun Falls as a four-lane 45-mph bypass. According to the United States Census Bureau, the town has a total area of , of which is land and , or 2.14%, is water. There are two public schools in Calhoun Falls: John C. Calhoun Elementary School and Calhoun