Strata

A stellar theater. Stratum is a layer of sedimentary rock or soil, or igneous rock that was formed at the Earth’s surface. Strata are colored veins that are seen in these formations very clearly as layers. They are the set of mud, ash, rock, sand and seabed that have been deposited in different geological periods. It is a rare formation and they are found in an Old abandoned Yesera near the city of Cafayate Salta, Argentina. It has great development in the Calchaquí valley and its age determined by its fossil content is Upper Miocene.