The Dolores-Guayaquil Megashear (Spanish: Megafalla Dolores-Guayaquil) is a first-order shear zone and fault zone in Northern South America.[1] The megashear runs from the Gulf of Guayaquil in southwestern Ecuador, through Colombia, to Dolores in Venezuela.
Major South American geological features | |||||
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Tectonic plates | |||||
Cratons and shields | |||||
Structures undergoing subduction | |||||
Faults and shear zones | |||||
Rifts and grabens |
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Sedimentary basins |
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Orogenies |
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Metallogenetic provinces | |||||
Volcanism |
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