Types
Features
Monuments
Famous Monuments
Sculpture
Famous Sculptures
Pictographs
Petroglyphs
Figurines
Fossils
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite
Has High structural resistance against erosion and climate, Very fine grained rock
Hornblende Gabbro and Hornblende Peridotite
Clasts are smooth to touch, Matrix variable, Surfaces are often shiny