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Tonalite and Andesite Types and Facts


Andesite and Tonalite Types and Facts


Types

Types
Dacite   
Icelandite   

Features
Is one of the oldest rock, Typically speckled black and white.   
Generally rough to touch, High silica content, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Middle of the Earth in Ecuador   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Not Used   
Not Used   

Petroglyphs
Not Used   
Not Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation >>
<< Uses

Types of Tonalite and Andesite

Some rocks according to their use or texture are classified into different types. Know more about Tonalite Texture and Andesite Texture. Types of Tonalite are Dacite whereas the types of Andesite are Icelandite.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. Tonalite and Andesite 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. Tonalite and Andesite were not used for creating petroglyphs.

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