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The Guiana Highlands are also the source of some of the world's most well-known waterfalls such as Angel Falls, Kaieteur Falls and Cuquenan Falls. The Guiana Shield underlies Guyana (previously British Guiana), Suriname (previously Dutch Guiana), and French Guiana (or Guyane), much of southern Venezuela, as well as parts of Colombia and Brazil.
The northern Guiana Shield, including Guyana is separated from Southern Guiana Shield by ENE to NE trending Tumbes /Guayaquil - Tacutu Tectonic Lineament. This is a major regional pre-Cambrian shear zone / mega-shear which is believed to have been re-activated several times.
It is on the geological Guiana Shield craton, and is the Venezuelan part of the biogeographic Guayana Highlands and their tepuis (mesas). Its limits by the north and east is formed by the route of the rivers Orinoco, Atabapo and Negro Rivers; and by the south the borders with Brazil. The region occupies almost half of the territory of Venezuela ...
French Guiana, an overseas department and region of France. Brazilian or Portuguese Guiana, now the Amapá State of Brazil. The three Guianas proper have a combined population of 1,718,651; Guyana: 804,567, Suriname: 612,985, and French Guiana: 301,099 [1] [2] Most of the population is along the coast. Due to the jungles to the south, the ...
The Atlantic Shield. The Amazonian (Brazilian) Shield on the eastern bulge portion of South America. Bordering this is the Guiana Shield to the north, and the Platian Shield to the south. The Uruguayan Shield; The Baltic (Fennoscandian) Shield is located in eastern Norway, Finland and Sweden. The African (Ethiopian) Shield is located in Africa.
The country is home to six ecoregions: Guayanan Highlands moist forests, Guianan moist forests, Orinoco Delta swamp forests, Tepuis, Guianan savanna, and Guianan mangroves. [38] The Guiana Shield region is little known and extremely rich biologically. Unlike other areas of South America, over 70% of the natural habitat remains pristine.
The Guayana Highlands — the higher elevations, plateaus, and tepuis (mesas) on the Guiana Shield craton of the South American Plate in northern South America. The heavily forested highlands , located in northern Brazil , Guyana , and Venezuela , have Tropical and subtropical moist broadleaf forest ecoregions .
The Guianan savanna (NT0707) is an ecoregion in the south of Venezuela, Guyana and Suriname and the north of Brazil. It is in the Amazon biome.The savanna covers an area of rolling upland plains on the Guiana Shield between the Amazon and Orinoco basins.