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The Guiana Shield (French: Plateau des Guyanes, Bouclier guyanais; Dutch: Hoogland van Guyana, Guianaschild; Portuguese: Planalto das Guianas, Escudo das Guianas; Spanish: Escudo guayanés) is one of the three cratons of the South American Plate.
The Guiana Shield 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.
What is the Guiana Shield? Located along the northern coast of South America, the Guiana Shield is a 1.7-billion-year-old geological formation that is home to lowland and submontane forests and high flat-topped peak mountains known as tepuis.
…eroded rocks of the ancient Guiana Shield are exposed, producing a broken topography of low, isolated mountains, tablelands, and buttes with rapids in the streams. This slightly higher ground forms the watershed between the Amazon and Orinoco systems.
The Guianas are subdivided into three principal zones from south to north: the Precambrian Guiana Shield, a region of low mountains that lies along the southern borders of the three states and rises to the region’s highest point, Mount Roraima, 9,094 feet (2,772 metres); a lower region of hilly country covered by a tropical hardwood forest ...
- The Editors of Encyclopaedia Britannica
The Guiana Shield is a geographic region found in northeast South America. It is one of the three cratons of the South American Plate. It is a 1.7 billion-year-old Precambrian geological formation that forms part of the South American northern coast.
19 de oct. de 2016 · Covering 270 million hectares, the Guiana Shield encompasses Guyana, Suriname, French Guiana, Venezuela and small parts of Colombia and northern Brazil. Some experts are warning against ‘commoditizing nature’ in the case of the Shield. Indigenous populations could play a key role in the Shield’s future health.
