Dolores-Guayaquil Megashear

The Dolores-Guayaquil Megashear (Spanish: Megafalla Dolores-Guayaquil) is a first-order shear zone and fault zone in Northern South America. The megashear runs from the Gulf of Guayaquil in southwestern Ecuador, through Colombia, to Dolores in Venezuela.

See also

Andean Volcanic Belt

References

^ Lavenu, A. (2006), "Andean neotectonics between 1°N and 47°S (Ecuador, Bolivia and Chile): A review", Revista de la Asociación Geológica Argentina, 61 (4): 504–524

Major South American geological features

Tectonic plates

Cratons and shields

Structures undergoing subduction

Faults and shear zones

Rifts and grabens

Sedimentary basins

Orogenies

Metallogenetic provinces

Volcanic provinces	Andean North Central South Austral Caribbean Central Atlantic Paraná and Etendeka
Hotspots	Ascension Noronha hotspot Galápagos Juan Fernández San Felix Trindade

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