Basanite and Dacite Types and Facts
Types
Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite
Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite
Features
Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate, Used as a touchstone
Host Rock for Lead, Is one of the oldest rock
Archaeological Significance
Types of Basanite and Dacite
Some rocks according to their use or texture are classified into different types. Know more about Basanite Texture and Dacite Texture. Types of Basanite are Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite whereas the types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite.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 Dacite 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 Dacite were for creating petroglyphs.