Waterfall Formation

Waterfalls

• Hard rock & soft rock
• Soft rock such as Limestone has gaps in
• Biological Weathering & Freeze thaw make bigger
• Hydraulic action gets into gaps - they become larger and erosion takes place.
• Soft rock is eroded and an under cut forms
• The hard rock above is not supported and falls Plunge Pool
• Over time it Retreats
• A Gorge is formed
• High Force River Tees
• https://www.youtube.com/watch?v=Zk0qyyEKG8c (Incorporar)

Slide 2