Shale and Coal Types and Facts

Shale

Coal

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1 Types

1.1 Types

Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale

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

1.2 Features

Easily splits into thin plates, Generally rough to touch, Very fine grained rock

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

1.3 Archaeological Significance

1.3.1 Monuments

Used

Not Yet Used

1.3.2 Famous Monuments

Jantar Mantar in India

Not Applicable

1.3.3 Sculpture

Used

Not Yet Used

1.3.4 Famous Sculptures

Data Not Available

Not Applicable

1.3.5 Pictographs

Used

Not Used

1.3.6 Petroglyphs

Used

Not Used

1.3.7 Figurines

Used

Not Yet Used

1.4 Fossils

Present

Types of Shale and Coal

Some rocks according to their use or texture are classified into different types. Know more about Shale Texture and Coal Texture. Types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale whereas the types of Coal are Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite.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. Shale was used to create pictographs whereas Coal is not 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. Shale was used to create petroglyphs whereas Coal was not used to create petroglyphs.