Chalk and Slate Types and Facts
Types
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Features
Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained 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 Chalk and Slate
Some rocks according to their use or texture are classified into different types. Know more about Chalk Texture and Slate Texture. The types of Chalk 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. Chalk 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. Chalk and Slate were used for creating petroglyphs.