Type of reverse fault that has a dip of 45 degrees or less
"Overthrust" redirects here. For the death metal band from Botswana, see Overthrust (band).
Thrust fault in the Qilian Shan, China. The older (left, blue, and red) thrust over the younger (right, brown).The Glencoul Thrust at Aird da Loch, Assynt in Scotland. The irregular grey mass of rock is formed of Archaean or PaleoproterozoicLewisian gneisses thrust over well-bedded Cambrianquartzite, along the top of the younger unit.Small thrust fault in the cliffs at Lilstock Bay, Somerset, England; displacement of about two metres (6.6 ft)
A thrust fault is a break in the Earth's crust, across which older rocks are pushed above younger rocks.