Types
Features
Monuments
Famous Monuments
Sculpture
Famous Sculptures
Pictographs
Petroglyphs
Figurines
Fossils
Phyllite, Schist, and Slate
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB) and Tholeiitic Basalt
Has High structural resistance against erosion and climate, Very fine grained rock