Volume 3 Quaternary Chapter 17 Neogene https://doi.org/10.32685/pub.esp.37.2019.17 Different Levels of Exhumation across the Published online 22 May 2020 Bucaramanga Fault in the Cepitá Area of the Southwestern Santander Massif, Colombia: Paleogene Implications for the Tectonic Evolution of the 1
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[email protected] Northern Andes in Northwestern South America Servicio Geológico Colombiano Dirección de Recursos Minerales Diagonal 53 n.° 34–53 Cretaceous Bogotá, Colombia 1 2 Sergio AMAYA–FERREIRA * , Carlos Augusto ZULUAGA , 2
[email protected] 3 Universidad Nacional de Colombia and Matthias BERNET Sede Bogotá Departamento de Geociencias Abstract Apatite and zircon fission–track data from crystalline rocks collected along an Carrera 30 n.° 45–03 Bogotá, Colombia Jurassic east–to–west elevational profile across the Bucaramanga strike–slip fault in the Cepitá 3
[email protected] area and thermal history modeling show the four–stage thermal history of the south- Université Grenoble Alpes Insitut des Sciences de la Terre western Santander Massif of the northern Andes in Colombia. A 60 my phase of burial 1381 rue de la piscine, CS 40700, 38058 heating from the Late Jurassic to the Late Cretaceous was followed by three cooling Grenoble cedex 9, France phases beginning in approximately 65–60 Ma, which were related to regional tectonic * Corresponding author Triassic events. The Late Cretaceous – early Paleocene accretion of an island arc and interac- tions of the Caribbean Plate with the northwestern South America plate first triggered the surface uplift and erosional exhumation of the Santander Massif.