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Gneiss
Gneiss

Anthracite
Anthracite



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Gneiss
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Anthracite

Gneiss and Anthracite Types and Facts

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1 Types
1.1 Types
Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.
Semi-anthracite and Meta-anthracite
1.2 Features
Generally rough to touch, Is one of the oldest rock
Helps in production of Heat and Electricity, Used as fossil fuel
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
Not Yet Used
1.3.4 Famous Sculptures
Not Applicable
Not Applicable
1.3.5 Pictographs
Not Used
Used
1.3.6 Petroglyphs
Not Used
Used
1.3.7 Figurines
Not Yet Used
Not Yet Used
1.4 Fossils
Absent
Absent

Types of Gneiss and Anthracite

Some rocks according to their use or texture are classified into different types. Know more about Gneiss Texture and Anthracite Texture. Types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss. whereas the types of Anthracite are Semi-anthracite and Meta-anthracite.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 Anthracite 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 Anthracite was used to create petroglyphs.