Amphibolite and Shale Types and Facts

Amphibolite

Shale

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1 Types

1.1 Types

Hornblendite

Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale

1.2 Features

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

Easily splits into thin plates, Generally rough to touch, Very fine grained rock

1.3 Archaeological Significance

1.3.1 Monuments

Used

1.3.2 Famous Monuments

Data Not Available

Jantar Mantar in India

1.3.3 Sculpture

Used

1.3.4 Famous Sculptures

Data Not Available

1.3.5 Pictographs

Not Used

Used

1.3.6 Petroglyphs

Not Used

Used

1.3.7 Figurines

Used

1.4 Fossils

Absent

Present

Types of Amphibolite and Shale

Some rocks according to their use or texture are classified into different types. Know more about Amphibolite Texture and Shale Texture. Types of Amphibolite are Hornblendite whereas the types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow 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 was not used to create pictographs whereas Shale 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. Amphibolite was not used to create petroglyphs whereas Shale was used to create petroglyphs.