Precordillera Region of Argentina

January 08, 2015


Vallecito Encantado-5x900

Photographer: Hector F. Garrido
Summary Authors: Hector F. Garrido; Jim Foster
Featured above are photos showing the Cerro Bola precordillera region in Talampaya National Park, Argentina. They were taken during my seismic exploration in the province of La Rioja. Though this remote area often exhibits abrupt relief, the precordillera is essentially foothills to the Andes Mountain Range. The Cerro Bola Anticline climbs to 3,356 ft (1,023 m) and is thought to be a remnant of the Late Tertiary to Quaternary orogenic deformation. Rock layers (top photo) found here were deposited during the Permian (sedimentary red beds -- bottom photo) and Mid to Late Carboniferous. Photos taken in October 2014.

Photo Details: Top - Camera Model: NIKON D80; Lens: 18.0-135.0 mm f/3.5-5.6; Focal Length: 62mm (35mm equivalent: 93mm); Aperture: ƒ/7.1; Exposure Time: 0.0020 s (1/500); ISO equiv: 400; Software: Adobe Photoshop Lightroom 5.3 (Windows). Bottom - same except: Focal Length: 18mm (35mm equivalent: 27mm); Exposure Time: 0.0013 s (1/800).