The Rocky Mountains have unpredictable weather which can change rapidly.

Rocky Mountains: One of the major mountain ranges located on the North American continent is the Rocky Mountains. Rocky Mountains, byname the Rockies, mountain range forming the cordilleran backbone of the great upland system that dominates the western North American continent.

Generally, the ranges included in the Rockies stretch from northern Alberta and British Columbia southward to New Mexico , a distance of some 3,000 miles (4,800 km). The Middle Rocky Mountains province is located in the western United States with a major portion in Wyoming. The rock structure of the Rockies consists of igneous rock as well as sedimentary rock along its margins and volcanic rock in localized areas. The Canadian Rockies (French: Rocheuses canadiennes) or Canadian Rocky Mountains comprise the Canadian segment of the North American Rocky Mountains.They are the eastern part of the Canadian Cordillera, which is a system of multiple ranges of mountains which runs from the Canadian Prairies to the Pacific Coast.The Canadian Rockies mountain system comprises the southeastern part of this … Question: What type of rock are the Rocky Mountains made up of? In general, the Rockies have mild summers, cold winters and a lot of precipitation. As with other highland climates, the climate changes with increasing altitude. Several extensions of the Middle Rockies spread into Montana, Colorado, Utah, and Idaho. In the winter there is deep snow, high winds, and … The growth of the Rocky Mountains began about 60,000,000 years ago at the close of the Mesozoic era or the Age of Reptiles. Like most mountain ranges, the Rocky Mountains have also been affected by severe erosion which has caused the development of deep river canyons as well as intermountain basins such as the Wyoming Basin. Hogback ridges were left near the Colorado Front Range cities of Loveland and Lyons by differential erosion of sedimentary rock tilted up against older crystalline rock of the mountains.