Ignimbrite and Diabase Types and Facts
Types
Pyroclastic rock
Dolerite
Features
Always found as volcanic pipes over deep continental crust
Smooth to touch
Archaeological Significance
Famous Monuments
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Stonehenge in English county of Wiltshire
Types of Ignimbrite and Diabase
Some rocks according to their use or texture are classified into different types. Know more about Ignimbrite Texture and Diabase Texture. Types of Ignimbrite are Pyroclastic rock whereas the types of Diabase are Dolerite.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. Ignimbrite and Diabase 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. Ignimbrite and Diabase were for creating petroglyphs.