Slate and Hornblendite Types and Facts
Types
Not Available
  
Hornblende Gabbro and Hornblende Peridotite
  
Features
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock
  
Clasts are smooth to touch, Matrix variable, Surfaces are often shiny
  
Archaeological Significance
  
  
Monuments
Used
  
Not Yet Used
  
Famous Monuments
Data Not Available
  
Not Applicable
  
Sculpture
Used
  
Used
  
Famous Sculptures
Data Not Available
  
Data Not Available
  
Pictographs
Used
  
Not Used
  
Petroglyphs
Used
  
Not Used
  
Figurines
Used
  
Used
  
Fossils
Absent
  
Absent
  
Types of Slate and Hornblendite
Some rocks according to their use or texture are classified into different types. Know more about Slate Texture and Hornblendite Texture. Types of Slate are Not Available whereas the types of Hornblendite are Hornblende Gabbro and Hornblende Peridotite.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. Slate was used to create pictographs whereas Hornblendite is not used to create 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. Slate was used to create petroglyphs whereas Hornblendite was not used to create petroglyphs.