Oil shale and Diatomite Types and Facts

Oil shale

Diatomite

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Types

Carbonate-rich Shale, Siliceous Shale and Cannel Shale

Not Available

Features

Easily splits into thin plates, Generally rough to touch, Is one of the oldest rock, Very fine grained rock

Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained rock

Archaeological Significance

Monuments

Not Yet Used

Famous Monuments

Not Applicable

Sculpture

Not Yet Used

Famous Sculptures

Not Applicable

Pictographs

Not Used

Used

Petroglyphs

Not Used

Used

Figurines

Not Yet Used

Fossils

Present

Types of Oil shale and Diatomite

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