Granitic rock of the Antioquia Batholith exposed at the Piedra del Peñól. The streamlined chunks of darker rock most likely represent metamorphic remnants of the material into which the granite intruded approx. 65 million years ago.
Granitic rock of the Antioquia Batholith exposed at the Piedra del Peñól. The streamlined chunks of darker rock most likely represent metamorphic remnants of the material into which the granite intruded approx. 65 million years ago.