Banded iron formation and Rhyolite Types and Facts
Types
Algoma-type , Lake Superior-type, Superior-type and Taconite
  
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.
  
Features
Is one of the oldest rock
  
Acidic in nature, Available in lots of colors
  
Archaeological Significance
  
  
Monuments
Not Yet Used
  
Not Yet Used
  
Famous Monuments
Not Applicable
  
Not Applicable
  
Sculpture
Not Yet Used
  
Not Yet Used
  
Famous Sculptures
Not Applicable
  
Not Applicable
  
Pictographs
Not Used
  
Not Used
  
Petroglyphs
Not Used
  
Not Used
  
Figurines
Not Yet Used
  
Not Yet Used
  
Fossils
Present
  
Absent
  
Types of Banded iron formation and Rhyolite
Some rocks according to their use or texture are classified into different types. Know more about Banded iron formation Texture and Rhyolite Texture. Types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite whereas the types of Rhyolite are Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks..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. Banded iron formation and Rhyolite 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. Banded iron formation and Rhyolite were not used for creating petroglyphs.