Oil shale and Chert Types and Facts

Oil shale

Chert

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1 Types

1.1 Types

Carbonate-rich Shale, Siliceous Shale and Cannel Shale

Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter

1.2 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, Easily splits into thin plates, Has High structural resistance against erosion and climate

1.3 Archaeological Significance

1.3.1 Monuments

Not Yet Used

Used

1.3.2 Famous Monuments

Not Applicable

Data Not Available

1.3.3 Sculpture

Not Yet Used

1.3.4 Famous Sculptures

Not Applicable

1.3.5 Pictographs

Not Used

1.3.6 Petroglyphs

Not Used

1.3.7 Figurines

Not Yet Used

1.4 Fossils

Present

Types of Oil shale and Chert

Some rocks according to their use or texture are classified into different types. Know more about Oil shale Texture and Chert Texture. Types of Oil shale are Carbonate-rich Shale, Siliceous Shale and Cannel Shale whereas the types of Chert are Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter.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 and Chert were not used 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. Oil shale and Chert were not used for creating petroglyphs.