Salado River (Argentina) under the name of Juramento River at the Andes range, from thaw and captured precipitations of the high Acay and Cachi mountains in the Salta Province, near Catamarca Province. The Cabra Corral Dam regulates its flow, and deviates some of it for irrigation. When the river enters the Gran Chaco plains it forms several arms in a broad riverbed only partially occupied. The river then enters the Santiago del Estero Province from the north, near the border with the Tucumán Province, receiving the name of "Salado". The Salado and the Dulce River ("Sweet River") south to it, run diagonally in
Nevado San Francisco They are noteworthy for their olivine phenocrysts. One lava flow less than one million years old reaches a length of . The western slopes contain dacitic lava domes. On the summit lie two circle-shaped constructs, of Inca or Formative period ages. Nevado San Francisco Nevado San Francisco, or Cerro San Francisco (), is a stratovolcano on the border between Argentina and Chile, located just southeast of San Francisco Pass. It is considered extinct and is one of the several peaks in the area, of which the chief is the Ojos del Salado. The volcano is part of the Central Volcanic