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Gneiss and Shale Types and Facts


Shale and Gneiss Types and Facts


Types

Types
Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.   
Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale   

Features
Generally rough to touch, Is one of the oldest rock   
Easily splits into thin plates, Generally rough to touch, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Konark Sun Temple in India, Washington Monument, US   
Jantar Mantar in India   

Sculpture
Not Yet Used   
Used   

Famous Sculptures
Not Applicable   
Data Not Available   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Not Yet Used   
Used   

Fossils
Absent   
Present   

Formation >>
<< Uses

Types of Gneiss and Shale

Some rocks according to their use or texture are classified into different types. Know more about Gneiss Texture and Shale Texture. Types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss. whereas the types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale.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 Shale 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 Shale was used to create petroglyphs.

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