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
Franconia Range Franconia Range The Franconia Range is a mountain range located in the White Mountains of the U.S. state of New Hampshire. It is the second-highest range of peaks (after the Presidential Range) in the White Mountains. Franconia Ridge is a prominent ridge which forms the backbone of the range, stringing together all of its major summits. From north to south, the highest summits of the range include: The summits marked with an asterisk (*) are included on the Appalachian Mountain Club's peak-bagging list of "Four-thousand footers" in New Hampshire. The Franconia Range hosts the third largest connected area of alpine