Diaguitas, Capazanes, Olongastas and Yacampis, highly influenced by the Inca empire, inhabited the area. The city of San Juan de la Frontera was founded...

religious buildings, Icaño Remains of Pucara de Aconquija, Ambato Department Inca settlement at El Shincal de Quimivil, Belén Department Pre-Hispanic settlement...

Calientes basalt, the Los Patos ignimbrite of lower Pliocene age and the Tambería Ignimbrite. Even later, several mafic centres grew southwest and west of...