Dacite and Shale Types and Facts
Types
Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite
Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale
Features
Host Rock for Lead, Is one of the oldest rock
Easily splits into thin plates, Generally rough to touch, Very fine grained rock
Archaeological Significance
Monuments
Not Yet Used
Used
Famous Monuments
Not Applicable
Jantar Mantar in India
Sculpture
Not Yet Used
Used
Famous Sculptures
Not Applicable
Data Not Available
Figurines
Not Yet Used
Used
Types of Dacite and Shale
Some rocks according to their use or texture are classified into different types. Know more about Dacite Texture and Shale Texture. Types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite whereas the types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale.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 Shale 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. Dacite and Shale were used for creating petroglyphs.