The pumice rock field of El Peñón, Catamarca, Argentina

The pumice rock field of El Peñón, Catamarca, Argentina

The pumice rock field of El Peñón, Catamarca, Argentina

The pumice rock field of El Peñón, Catamarca, Argentina

The pumice rock field of El Peñón, Catamarca, Argentina

The pumice rock field of El Peñón, Catamarca, Argentina

The pumice rock field of El Peñón, on the Altiplano (Puna) of Catamarca, Argentina

The pumice rock field of El Peñón, on the Altiplano (Puna) of Catamarca, Argentina

Pyroclastic rock, environs of the Galán volcano, Altiplano of Catamarca, Argentina

Rock formations known as "Las Señoritas" (The Young Ladies), Jujuy, Argentina

Rock formations known as "Las Señoritas" (The Young Ladies), Jujuy, Argentina

Lava flow, near Antofagasta de la Sierra, on the Altiplano (Puna) of Catamarca, Argentina

Rock formation in the 'Quebrada de Cafayate' valley, Argentina

Sedimentrary rocks in the 'Quebrada de Flechas', on the road between Cafayate and Cachi, province of Salta, Argentina

The "Quebrada del Toro" valley, province of Salta, Argentina

A salt flat, on the Andean Altiplano (Puna), Argentina