Trachyandesite and Anthracite Types and Facts
Types
Basaltic Trachyandesite
  
Semi-anthracite and Meta-anthracite
  
Features
Has High structural resistance against erosion and climate, Very fine grained rock
  
Helps in production of Heat and Electricity, Used as fossil fuel
  
Archaeological Significance
  
  
Monuments
Not Yet Used
  
Not Yet Used
  
Famous Monuments
Not Applicable
  
Not Applicable
  
Sculpture
Used
  
Not Yet Used
  
Famous Sculptures
Data Not Available
  
Not Applicable
  
Pictographs
Used
  
Used
  
Petroglyphs
Used
  
Used
  
Figurines
Used
  
Not Yet Used
  
Fossils
Absent
  
Absent
  
Types of Trachyandesite and Anthracite
Some rocks according to their use or texture are classified into different types. Know more about Trachyandesite Texture and Anthracite Texture. Types of Trachyandesite are Basaltic Trachyandesite whereas the types of Anthracite are Semi-anthracite and Meta-anthracite.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. Trachyandesite and Anthracite 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. Trachyandesite and Anthracite were used for creating petroglyphs.