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
Sioux Falls, South Dakota four counties, all of which are located in South Dakota: Lincoln, McCook, Minnehaha, and Turner. The estimated population of this MSA in 2017 was 259,094, an increase of 13.51% from the 2010 census. According to recent estimates, Lincoln County is the sixteenth-fastest-growing county (by percentage) in the United States. In addition to Sioux Falls, several cities and towns included in the metropolitan area are Canton, Brandon, Dell Rapids, Tea, Harrisburg, Worthing, Beresford, Lennox, Hartford, Crooks, Baltic, Montrose, Salem, Renner, Rowena, Chancellor, Colton, Humboldt, Parker, Hurley, Garretson, Sherman, Corson, Viborg, Irene, and Centerville. Sioux Falls has more than 70 parks and