Shale and Basanite Types and Facts

Shale

Basanite

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1 Types

1.1 Types

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

Nepheline-Basanite, Analcite-Basanite and Leucite-Basanite

1.2 Features

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

Clasts are smooth to touch, Easily splits into thin plates, Has High structural resistance against erosion and climate, Used as a touchstone

1.3 Archaeological Significance

1.3.1 Monuments

Used

1.3.2 Famous Monuments

Jantar Mantar in India

Data Not Available

1.3.3 Sculpture

Used

Not Yet Used

1.3.4 Famous Sculptures

Data Not Available

Not Applicable

1.3.5 Pictographs

Used

Not Used

1.3.6 Petroglyphs

Used

Not Used

1.3.7 Figurines

Used

Not Yet Used

1.4 Fossils

Present

Absent

Types of Shale and Basanite

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