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Andesite and Syenite Types and Facts


Syenite and Andesite Types and Facts


Types

Types
Icelandite   
Shonkinite   

Features
Generally rough to touch, High silica content, Is one of the oldest rock   
Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Middle of the Earth in Ecuador   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation >>
<< Uses

Types of Andesite and Syenite

Some rocks according to their use or texture are classified into different types. Know more about Andesite Texture and Syenite Texture. Types of Andesite are Icelandite whereas the types of Syenite are Shonkinite.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 was not used to create pictographs whereas Syenite is 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. Andesite was not used to create petroglyphs whereas Syenite was used to create petroglyphs.

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