Albert Heim was a Swiss geologist, noted for his three-volume Geologie der Schweiz.
Albert Heim
A thrust fault is a break in the Earth's crust, across which older rocks are pushed above younger rocks.
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 Paleoproterozoic Lewisian gneisses thrust over well-bedded Cambrian quartzite, 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)
Antiformal stack of thrust imbricates proved by drilling, Brooks Range Foothills, Alaska