Understanding Fold Mountains: Formation and Impacts
Learn how fold mountains are formed at plate boundaries, explore the three major periods of fold mountain formation, and understand the economic and social impacts of mountains like the Alps. Discover the geological processes, historical formations, and current significance of these majestic natural wonders.
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Presentation Transcript
4 Fold Mountains Fold Mountains 4
4 4.0 Formation of Fold Mountains Fold Mountains Learning Intentions You will be able to: Describe with the aid of a diagram how fold mountains are formed. Understand, from knowledge of plate tectonics, why we find fold mountains in certain locations. Describe the social and economic impacts of fold mountains in the Alps.
4 4.1 Formation of Fold Mountains Fold Mountains Fold mountains are found on plate boundaries where two plates have collided.
4 4.1 Formation of Fold Mountains Fold Mountains The upfold is called the anticline The downfold is called the syncline Anticline Syncline
4 4.2 Periods of Fold Mountain Formation Fold Mountains There have been three major periods of fold mountain formation: Caledonian folding 400 million years ago Dublin Wicklow mountains were formed Armorican folding 250 million years ago Munster mountains were formed Alpine folding 35 million years ago The Rockies, Himalayas and Alps were formed
4 4.3 Formation of the Dublin Wicklow Fold Mountains Fold Mountains The Dublin Wicklow fold mountains were formed when two landmasses collided during the Caledonian folding period. 440 million years ago 410 million years ago 290 million years ago Ireland s current position
4 4.4 Economic and Social Impacts Fold Mountains The Alps A long row of mountains that stretch across seven European countries Formed 35 million years ago during the Alpine folding period The Alps stretching across Europe
4 4.4 Economic and Social Impacts Fold Mountains Life in the Alps Economic impact Social impact Farming the Alps are used to farm sheep, goats and cattle Accessibility some areas are difficult to get access and roads are expensive to build Hydro-electric power water from melting snow is used to generate hydro- electric power Soil thin, poor quality soil that makes farming difficult or unprofitable Avalanches risk of devastating avalanches Tourism tourists visit for skiing, hiking and climbing, which generates income for locals
4 Fold Mountains Video: Formation of Mountains
