Rhyolite and Tonalite Types and Facts
Types
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.
  
Dacite
  
Features
Acidic in nature, Available in lots of colors
  
Is one of the oldest rock, Typically speckled black and white.
  
Archaeological Significance
  
  
Monuments
Not Yet Used
  
Not Yet Used
  
Famous Monuments
Not Applicable
  
Not Applicable
  
Sculpture
Not Yet Used
  
Used
  
Famous Sculptures
Not Applicable
  
Data Not Available
  
Pictographs
Not Used
  
Not Used
  
Petroglyphs
Not Used
  
Not Used
  
Figurines
Not Yet Used
  
Used
  
Fossils
Absent
  
Absent
  
Types of Rhyolite and Tonalite
Some rocks according to their use or texture are classified into different types. Know more about Rhyolite Texture and Tonalite Texture. Types of Rhyolite are Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks. whereas the types of Tonalite are Dacite.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. Rhyolite and Tonalite 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. Rhyolite and Tonalite were not used for creating petroglyphs.