Argillite and Slate Types and Facts
Types
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Features
Is one of the oldest rock
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock
Archaeological Significance
Famous Monuments
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Famous Sculptures
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Types of Argillite and Slate
Some rocks according to their use or texture are classified into different types. Know more about Argillite Texture and Slate Texture. The types of Argillite and Slate are Not Available.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. Argillite and Slate were 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. Argillite and Slate were used for creating petroglyphs.