Andesite and Pseudotachylite Types and Facts
Types
Icelandite
  
Not Available
  
Features
Generally rough to touch, High silica content, Is one of the oldest rock
  
Host Rock for Lead
  
Archaeological Significance
  
  
Monuments
Used
  
Used
  
Famous Monuments
Middle of the Earth in Ecuador
  
Data Not Available
  
Sculpture
Used
  
Not Yet Used
  
Famous Sculptures
Data Not Available
  
Not Applicable
  
Pictographs
Not Used
  
Not Used
  
Petroglyphs
Not Used
  
Not Used
  
Figurines
Used
  
Not Yet Used
  
Fossils
Absent
  
Absent
  
Types of Andesite and Pseudotachylite
Some rocks according to their use or texture are classified into different types. Know more about Andesite Texture and Pseudotachylite Texture. Types of Andesite are Icelandite whereas the types of Pseudotachylite 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. Andesite and Pseudotachylite were not 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. Andesite and Pseudotachylite were not used for creating petroglyphs.