Dacite and Hornblendite Types and Facts
Types
Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite
Hornblende Gabbro and Hornblende Peridotite
Features
Host Rock for Lead, Is one of the oldest rock
Clasts are smooth to touch, Matrix variable, Surfaces are often shiny
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
Used
Not Used
Petroglyphs
Used
Not Used
Figurines
Not Yet Used
Used
Types of Dacite and Hornblendite
Some rocks according to their use or texture are classified into different types. Know more about Dacite Texture and Hornblendite Texture. Types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite 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. Dacite 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. Dacite was used to create petroglyphs whereas Hornblendite was not used to create petroglyphs.