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Gneiss
Gneiss

Andesite
Andesite



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Gneiss
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Andesite

Gneiss and Andesite Types and Facts

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1 Types
1.1 Types
Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.
Icelandite
1.2 Features
Generally rough to touch, Is one of the oldest rock
Generally rough to touch, High silica content, Is one of the oldest rock
1.3 Archaeological Significance
1.3.1 Monuments
Used
Used
1.3.2 Famous Monuments
Konark Sun Temple in India, Washington Monument, US
Middle of the Earth in Ecuador
1.3.3 Sculpture
Not Yet Used
Used
1.3.4 Famous Sculptures
Not Applicable
Data Not Available
1.3.5 Pictographs
Not Used
Not Used
1.3.6 Petroglyphs
Not Used
Not Used
1.3.7 Figurines
Not Yet Used
Used
1.4 Fossils
Absent
Absent

Types of Gneiss and Andesite

Some rocks according to their use or texture are classified into different types. Know more about Gneiss Texture and Andesite Texture. Types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss. 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. Gneiss 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. Gneiss and Andesite were not used for creating petroglyphs.