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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 Guayanan Highlands ecoregion is an "island" of higher land surrounded by lower grasslands and forests collectively known as the Guiana Shield. Most of the land drains into the Orinoco through the Ventuari, Caroní, Paragua and Caura rivers in Venezuela. In the south, it is drained by the Uraricoera and Branco rivers in Brazil into the ...
The country is home to six ecoregions: Guayanan Highlands moist forests, Guianan moist forests, Orinoco Delta swamp forests, Tepuis, Guianan savanna, and Guianan mangroves. [40] 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 Guiana Shield occupies the southern region of the Orinoco River and the northern region of the Amazon River, between the plains of Colombia and Venezuela and the Atlantic Ocean. It covers the whole south of Venezuela and the south of the Orinoco. It has the oldest rocks in the country. There are archaic rocks with more than 3,000 million years.
Brazilian Highlands: Brazilian Oldland Goyaz Massif Mato Grosso Plateau: Guiana Shield: Chiquitos Plateau Parana Plateau Coastal Plain Guiana Highlands: Guiana Coastal Plain Amazon Plain: Llanos De Mojos Orinoco Basin: Parana-Paraguay Plain: Gran Chaco: Pantanal: Argentine Mesopotamia: Pampas: Monte Patagonian Plateau: Antarctica: East ...
Mount Roraima is a flat-topped mountain, typical of the Guyana Shield, [12] with an elevation of about 1,200 m (3,900 ft) in the southeast and only about 600 m (2,000 ft) in the northwest. [7] The south, southeast, east, northeast and northwest faces are all formed by straight cliffs up to about 1,000 m (3,300 ft) high.
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 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 .