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Map of South America is a revised drawing of the main geotectonic elements of this continent, combined with a small sketch dealing with the tectonic correlation of South America and Africa in a West Gondwana reconstruction. The separation of the Andean orogenic belt (orange and green) and the South American Platform (pink and blue) is evident.
The Peru–Chile Trench, the forearc and the western edge of the central Andean plateau (Altiplano), delineate the dramatic "Bolivian Orocline " that defines the Andean slope of southern Peru, northern Chile, and Bolivia.
Peru-Chile Trench, submarine trench in the eastern Pacific Ocean, about 100 miles (160 km) off the coast of Peru and Chile. It reaches a maximum depth of 26,460 feet (8,065 meters) below sea level in Richards Deep and is approximately 3,666 miles (5,900 km) long; its mean width is 40 miles (64 km)
SEGEMAR in Argentina compiled the information for the Andean sector based on tectonic data of the Metallogenetic Map of South America (2005, 1:5 M scale) published by SEGEMAR under the aegis of CGMW, ASGMI and UNESCO.
21 sty 2024 · The Peru-Chile Trench is an oceanic trench in the eastern Pacific Ocean off the coast of Peru and Chile. It delineates the boundary between the subducting Nazca Plate and the overriding South American Plate. The Bolivian Orocline marks a transition point where the Andes change their orientation.
15 lip 2023 · Regional tectonic map of the South and Central American subduction zones showing the plate boundaries.
8 gru 2017 · For the Central Andes, the model predicts an eastward migration of 110–270 km and an increase in arc width (trench-normal) from 90 to 250 km over a 170 Myr period of subduction (Fig. 9c). At ...
