Chert and Coal Types and Facts

Chert

Coal

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Types

Features

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter

Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate

Present

Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite

Helps in production of Heat and Electricity, Used as fossil fuel

Present

Types of Chert and Coal

Some rocks according to their use or texture are classified into different types. Know more about Chert Texture and Coal Texture. The types of Chert and Coal are .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. Chert and Coal were 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. Chert and Coal were for creating petroglyphs.