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 beginning in 1915 and completed in 1919. Sioux Falls is also the seat of the Episcopal Diocese of South Dakota. Sioux Falls is home to the University of Sioux Falls, Augustana University, Sioux Falls Seminary, Southeast Technical Institute, National American University, the South Dakota School for the Deaf, the University of South Dakota's Sanford School of Medicine (Sioux Falls campus), Stewart School and the South Dakota Public Universities and Research Center (formerly known as USDSU). The Sioux Falls School District serves over 24,000 students living in Sioux Falls and some of its surrounding suburbs. Suburbs around Sioux Falls continue to