Oil shale and Gneiss Types and Facts

Oil shale

Gneiss

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1 Types

1.1 Types

Carbonate-rich Shale, Siliceous Shale and Cannel Shale

Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.

1.2 Features

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

Generally rough to touch, Is one of the oldest rock

1.3 Archaeological Significance

1.3.1 Monuments

Not Yet Used

Used

1.3.2 Famous Monuments

Not Applicable

Konark Sun Temple in India, Washington Monument, US

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

Absent

Types of Oil shale and Gneiss

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