Greywacke and Oil shale Types and Facts

Greywacke

Oil shale

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1 Types

1.1 Types

Not Available

Carbonate-rich Shale, Siliceous Shale and Cannel Shale

1.2 Features

Available in Lots of Colors and Patterns, Generally rough to touch, Non-vesicular, Veined

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

1.3 Archaeological Significance

1.3.1 Monuments

Not Yet Used

1.3.2 Famous Monuments

Not Applicable

1.3.3 Sculpture

Used

Not Yet Used

1.3.4 Famous Sculptures

Data Not Available

Not Applicable

1.3.5 Pictographs

Not Used

1.3.6 Petroglyphs

Not Used

1.3.7 Figurines

Used

Not Yet Used

1.4 Fossils

Present

Types of Greywacke and Oil shale

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