Nepheline Syenite and Trachyandesite Types and Facts
Types
Borolanite and Litchfieldite
Basaltic Trachyandesite
Features
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
Has High structural resistance against erosion and climate, Very fine grained rock
Archaeological Significance
Monuments
Used
Not Yet Used
Famous Monuments
Data Not Available
Not Applicable
Famous Sculptures
Data Not Available
Data Not Available
Types of Nepheline Syenite and Trachyandesite
Some rocks according to their use or texture are classified into different types. Know more about Nepheline Syenite Texture and Trachyandesite Texture. Types of Nepheline Syenite are Borolanite and Litchfieldite whereas the types of Trachyandesite are Basaltic Trachyandesite.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. Nepheline Syenite and Trachyandesite 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. Nepheline Syenite and Trachyandesite were used for creating petroglyphs.