Geology of Chile the Taitao Peninsula, the Peru–Chile Trench subduction zone is the boundary between the South American and Nazca Plates. At Taitao, the Chile Triple Junction and the Nazca Plate subduct the South American Plate. In Norte Grande the mountains form a series of plateaus, such as Puna de Atacama and the Altiplano. At a south latitude of 27 degrees, Chile's highest mountain (Ojos del Salado) reaches a height of . Below 42 degrees south, the Andes split into a fjord landscape and the highest mountain is Monte San Lorenzo at . As the mountains ebb, the snow line lowers; in the
Ore Mountains Valley zone. The western part of the Ore Mountains is home to the two highest peaks of the range: Klínovec, located in the Czech part, with an altitude of and Fichtelberg, the highest mountain of Saxony, Germany, at . The Ore Mountains are part of a larger mountain system and adjoin the Fichtel Mountains to the west and the Elbe Sandstone Mountains to the east. Past the River Elbe, the mountain chain continues as the Lusatian Mountains. While the mountains slope gently away in the northern (German) part, the southern (Czech) slopes are rather steep. The Ore Mountains are oriented