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Oil shale
Oil shale

Mudstone
Mudstone



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Oil shale
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Mudstone

Oil shale and Mudstone Types and Facts

1 Types
1.1 Types
Carbonate-rich Shale, Siliceous Shale and Cannel Shale
Marl, Shale and Argillite
1.2 Features
Easily splits into thin plates, Generally rough to touch, Is one of the oldest rock, Very fine grained rock
Available in Lots of Colors and Patterns, Smooth to touch, Very fine grained 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
Used
1.3.4 Famous Sculptures
Not Applicable
Data Not Available
1.3.5 Pictographs
Not Used
Used
1.3.6 Petroglyphs
Not Used
Used
1.3.7 Figurines
Not Yet Used
Used
1.4 Fossils
Present
Present

Types of Oil shale and Mudstone

Some rocks according to their use or texture are classified into different types. Know more about Oil shale Texture and Mudstone Texture. Types of Oil shale are Carbonate-rich Shale, Siliceous Shale and Cannel Shale whereas the types of Mudstone are Marl, Shale and Argillite.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. Oil shale was not used to create pictographs whereas Mudstone 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. Oil shale was not used to create petroglyphs whereas Mudstone was used to create petroglyphs.