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 Volume 2 Chapter 7

Chapter  7

Tectonostratigraphic Terranes in Colombia: An Update

Second Part: Oceanic Terranes

Jean–François TOUSSAINT and Jorge Julián RESTREPO

Citation is suggested as: 

Toussaint, J.F. & Restrepo, J.J. 2019. Tectonostratigraphic terranes in Colombia: An update. Second part: Oceanic terranes. In: Gómez, J. & Pinilla–Pachon, A.O. (editors), The Geology of Colombia, Volume 2 Mesozoic. Servicio Geológico Colombiano, Publicaciones Geológicas Especiales 36, p. 239–277. Bogotá.


In Colombia, several oceanic, allochthonous terranes exist west of the San Jerónimo Fault, which is the western limit of large continental terranes. The main terranes are the Calima and Cuna in the Western Cordillera, the Tumaco Suspect Terrane in the southern Western Cordillera and the Tairona Terrane in the Sierra Nevada de Santa Marta (SNSM). All of them are oceanic terranes that formed in the Pacific Ocean and moved northward to their present positions, where they were emplaced from Late Cretaceous to Miocene times. At least the Calima and Cuna are believed to be part of the Caribbean Plateau. Smaller oceanic terranes are found in the Cauca–Romeral Fault Zone (CRFZ).

Keywords: Colombian tectonostratigraphic terranes, oceanic terranes, allochthonous terranes, Caribbean Plateau, transpressional collisional metamorphism.