Mountains a hundred and one is a 12-lesson Massive Open Online Course (MOOC) instructing a comprehensive overview of mountains and their environmental and human influence. Although volcanoes do type as isolated seamounts along the axes of mid-ocean ridges, they represent only a small fraction of the erupted materials. Mountains are also the sources of springs and rivers and have been revered as the house of deities all through history. Animals living in mountains have developed morphological, behavioural, and physiological adaptations to survive below excessive circumstances.
We discuss why mountains are located the place they’re. When magma pushes the crust up however hardens earlier than erupting onto the floor, it kinds so-known as dome mountains Wind and rain pummel the domes, sculpting peaks and valleys. Fold mountains happen when two plates collide: shortening happens alongside thrust faults and the crust is overthickened. Most, however not all, volcanoes consist of material that is thought to have melted within the mantle (at depths of tens of kilometres), which rose by way of the overlying crust and was erupted onto the floor.
Try behind the scenes images from the making of Mountains one zero one. Faults along which a slice of continental crust is …