Shale and Ignimbrite Types and Facts
Types
Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale
  
Not Available
  
Features
Easily splits into thin plates, Generally rough to touch, Very fine grained rock
  
Always found as volcanic pipes over deep continental crust
  
Archaeological Significance
  
  
Monuments
Used
  
Used
  
Famous Monuments
Jantar Mantar in India
  
Data Not Available
  
Sculpture
Used
  
Used
  
Famous Sculptures
Data Not Available
  
Data Not Available
  
Pictographs
Used
  
Used
  
Petroglyphs
Used
  
Used
  
Figurines
Used
  
Used
  
Fossils
Present
  
Absent
  
Types of Shale and Ignimbrite
Some rocks according to their use or texture are classified into different types. Know more about Shale Texture and Ignimbrite Texture. Types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale whereas the types of Ignimbrite are Not Available.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. Shale and Ignimbrite were used 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. Shale and Ignimbrite were used for creating petroglyphs.