Dacite and Lamprophyre Types and Facts
Types
Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite
Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite
Features
Host Rock for Lead, Is one of the oldest rock
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny
Archaeological Significance
Types of Dacite and Lamprophyre
Some rocks according to their use or texture are classified into different types. Know more about Dacite Texture and Lamprophyre Texture. Types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite whereas the types of Lamprophyre are Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite.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. Dacite and Lamprophyre 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. Dacite and Lamprophyre were for creating petroglyphs.