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Gneiss
Gneiss

Trachyandesite
Trachyandesite



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Trachyandesite

Gneiss and Trachyandesite Types and Facts

1 Types
1.1 Types
Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.
Basaltic Trachyandesite
1.2 Features
Generally rough to touch, Is one of the oldest rock
Has High structural resistance against erosion and climate, Very fine grained rock
1.3 Archaeological Significance
1.3.1 Monuments
Used
Not Yet Used
1.3.2 Famous Monuments
Konark Sun Temple in India, Washington Monument, US
Not Applicable
1.3.3 Sculpture
Not Yet Used
Used
1.3.4 Famous Sculptures
Not Applicable
Data Not Available
1.3.5 Pictographs
Not Used
Used
1.3.6 Petroglyphs
Not Used
Used
1.3.7 Figurines
Not Yet Used
Used
1.4 Fossils
Absent
Absent

Types of Gneiss and Trachyandesite

Some rocks according to their use or texture are classified into different types. Know more about Gneiss Texture and Trachyandesite Texture. Types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss. 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. Gneiss was not used to create pictographs whereas Trachyandesite 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. Gneiss was not used to create petroglyphs whereas Trachyandesite was used to create petroglyphs.