Sedimentary rocks, Argentina, on the Andean Altiplano (Puna, high plateau), the Andes Cordillera

Sedimentary rocks, Argentina, on the Andean Altiplano (Puna, high plateau), the Andes Cordillera

Sedimentary rocks, Argentina, on the Andean Altiplano (high plateau), the Andes Cordillera

Sedimentary rocks, Argentina, on the Andean Altiplano (high plateau), the Andes Cordillera

Sedimentary rocks, "Quebrada de Humahuaca" valley, Jujuy, Argentina, on the Andean Altiplano (Puna, high plateau), the Andes Cordillera

Sedimentary rocks, "Quebrada de Humahuaca" valley, Jujuy, Argentina, on the Andean Altiplano (Puna, high plateau), the Andes Cordillera

The Andes: the Uyuni Salar, largest in the world, Bolivia

Volcanic bombs, Jujuy, Argentina, on the Andean Altiplano (Puna, high plateau), the Andes Cordillera

Volcanic rock, Chile, on the Andean altiplano (high plateau), the Andes Cordillera

Mortars in the ruins of Condorhuasi, in the pueblo of El Pichao, province of Tucuman, Argentina

Petroglyphs near Antofagasta de la Sierra, province of Catamarca, Argentina

Petroglyphs near Antofagasta de la Sierra, province of Catamarca, Argentina

Petroglyphs near Antofagasta de la Sierra, on the Altiplano (Puna) of the province of Catamarca, Argentina

Petroglyphs near Antofagasta de la Sierra, on the Altiplano (Puna) of the province of Catamarca, Argentina

Petroglyphs near Abdon Castro Tolay (Barrancas), on the Altiplano (Puna) of the province of Jujuy, Argentina

Petroglyphs near Abdon Castro Tolay (Barrancas), on the Altiplano (Puna) of the province of Jujuy, Argentina