Basanite and Tuff Types and Facts
Types
Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite
Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff, Andesitic tuff and Ignimbrite.
Features
Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate, Used as a touchstone
Always found as volcanic pipes over deep continental crust
Archaeological Significance
Famous Monuments
-
Easter Island in the Polynesian Triangle, Pacific Ocean
Types of Basanite and Tuff
Some rocks according to their use or texture are classified into different types. Know more about Basanite Texture and Tuff Texture. Types of Basanite are Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite whereas the types of Tuff are Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff, Andesitic tuff and Ignimbrite..During historic times, some rocks depending on their hardness were used to create Pictographs and Petroglyphs. Rocks which are hard were generally not used. Pictographs are paintings or drawings that have been placed or created on the surface of rock. Basanite and Tuff were for creating pictographs. Petroglyph is an image which is carved into a rock. These are images created by removing part of a rock surface by incising, picking, carving or abrading, as a form of rock art. Basanite and Tuff were for creating petroglyphs.