Ojos del Salado Spanish, comes from the enormous deposits of salt that, in the form of lagoons or “eyes”, appear in its glaciers. An international highway between Chile and Argentina runs north of the mountain. Ojos del Salado along with several other high volcanoes such as El Muerto, El Solo, Nevado Incahuasi and Nevado Tres Cruces lies at the southern end of the Central Volcanic Zone of the Andes. Volcanic activity in the region commenced 26 million years ago in the Cordillera Claudio Gay, at the same time as the neighbouring Maricunga Belt volcanoes were active. Starting 18 million years ago, local subduction
Clearwater Mountains Clearwater Mountains The Clearwater Mountains are part of the Rocky Mountains, located in the panhandle of Idaho in the Western United States. The mountains lie between the Salmon River and the Bitterroot Range and encompass an area of . The North Clearwater Mountains is the northernmost and shortest subrange. The subrange is in area. Only two of its peaks — the Pot Mountain and the Black Mountain — rise above . The Selway Crags lie between the North and South Clearwaters both in latitude and mean elevation. The Selway Crags encompass and its two highest peaks are the Grave Peak