Lignite and Shale Types and Facts

Lignite

Shale

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Types

Features

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite

Generally rough to touch, Helps in production of Heat and Electricity, Used as fossil fuel

Present

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

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

Jantar Mantar in India

Present

Types of Lignite and Shale

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