The Antofagasta de la Sierra volcanic field lies within the north-south trending tectonic depression of the same name, in the Catamarca Province. Of the individual vents the La Laguna and Alumbrera cones are the best studied ones, they lie about south of Antofagasta de la Sierra. These volcanoes are associated with black lava flow fields. The Jote volcanoes consist of a cluster of cinder cones and lava flows.