Late Silurian exhumation of the Proto-Andean margin as determined from detrital U-Pb geochronology in the Perijá Range, northeastern Colombia.

Alejandro Piraquive, Nicolas Villamizar, Carolina Jimenez, David Contreras-Fayad, Jimmy Alejandro Muñoz-Rocha and Mary Luz Peña-Urueña, Colombian Geological Survey, Bogota, Colombia