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
Pioneer Mountains (Montana) Park, is available for the public to dig for quartz crystals. Pioneer Mountains (Montana) The Pioneer Mountains cover in Beaverhead County in southwestern Montana, USA. The highest peaks in this range include: The Pioneer Mountains are divided into two subranges by the paved Wise River Road: the East Pioneers and West Pioneers. The highest mountains in the entire range are in the East Pioneers - Tweedy Mountain and nearby Torrey Mountain, these two peaks are the highest on the Beaverhead National Forest. The two subranges are quite different from each other in appearance. The East Pioneers have rugged, heavily glaciated