Amphibolite and Oil shale Types and Facts

Amphibolite

Oil shale

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1 Types

1.1 Types

Hornblendite

Carbonate-rich Shale, Siliceous Shale and Cannel Shale

1.2 Features

Clasts are smooth to touch, Matrix variable, Surfaces are often shiny

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

Used

Not Yet Used

1.3.2 Famous Monuments

Data Not Available

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

Absent

Present

Types of Amphibolite and Oil shale

Some rocks according to their use or texture are classified into different types. Know more about Amphibolite Texture and Oil shale Texture. Types of Amphibolite are Hornblendite 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. Amphibolite 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. Amphibolite and Oil shale were not used for creating petroglyphs.