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Greywacke
Greywacke

Shale
Shale



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Greywacke
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Shale

Greywacke and Shale Types and Facts

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1 Types
1.1 Types
Not Available
Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale
1.2 Features
Available in Lots of Colors and Patterns, Generally rough to touch, Non-vesicular, Veined
Easily splits into thin plates, Generally rough to touch, Very fine grained rock
1.3 Archaeological Significance
1.3.1 Monuments
Not Yet Used
Used
1.3.2 Famous Monuments
Not Applicable
Jantar Mantar in India
1.3.3 Sculpture
Used
Used
1.3.4 Famous Sculptures
Data Not Available
Data Not Available
1.3.5 Pictographs
Not Used
Used
1.3.6 Petroglyphs
Not Used
Used
1.3.7 Figurines
Used
Used
1.4 Fossils
Present
Present

Types of Greywacke and Shale

Some rocks according to their use or texture are classified into different types. Know more about Greywacke Texture and Shale Texture. Types of Greywacke are Not Available 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. Greywacke 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. Greywacke was not used to create petroglyphs whereas Shale was used to create petroglyphs.