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Coal
Coal

Migmatite
Migmatite



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Coal and Migmatite Types and Facts

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1 Types
1.1 Types
Peat, Lignite, Sub-Bituminous Coal, Bituminous Coal, Anthracite, Graphite
Diatexites and Metatexites
1.2 Features
Helps in production of Heat and Electricity, Used as fossil fuel
Generally rough to touch, Is one of the oldest rock
1.3 Archaeological Significance
1.3.1 Monuments
Not Yet Used
Not Yet Used
1.3.2 Famous Monuments
Not Applicable
Not Applicable
1.3.3 Sculpture
Not Yet Used
Not Yet Used
1.3.4 Famous Sculptures
Not Applicable
Not Applicable
1.3.5 Pictographs
Not Used
Used
1.3.6 Petroglyphs
Not Used
Used
1.3.7 Figurines
Not Yet Used
Not Yet Used
1.4 Fossils
Present
Absent

Types of Coal and Migmatite

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