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Trachyandesite and Nepheline Syenite Types and Facts


Nepheline Syenite and Trachyandesite Types and Facts


Types

Types
Basaltic Trachyandesite   
Borolanite and Litchfieldite   

Features
Has High structural resistance against erosion and climate, Very fine grained rock   
Application of acids on the surface causes cloudy frosting, Available in Lots of Colors and Patterns, Dissolves in hydrochloric acid, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Used   

Famous Monuments
Not Applicable   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation >>
<< Uses

Types of Trachyandesite and Nepheline Syenite

Some rocks according to their use or texture are classified into different types. Know more about Trachyandesite Texture and Nepheline Syenite Texture. Types of Trachyandesite are Basaltic Trachyandesite whereas the types of Nepheline Syenite are Borolanite and Litchfieldite.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. Trachyandesite and Nepheline Syenite were 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. Trachyandesite and Nepheline Syenite were used for creating petroglyphs.

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