Shale and Nepheline Syenite Types and Facts

Shale

Nepheline Syenite

Add ⊕

1 Types

1.1 Types

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

Borolanite and Litchfieldite

1.2 Features

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

Application of acids on the surface causes cloudy frosting, Available in Lots of Colors and Patterns, Dissolves in hydrochloric acid, Is one of the oldest rock

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

1.3.4 Famous Sculptures

Data Not Available

1.3.5 Pictographs

Used

1.3.6 Petroglyphs

Used

1.3.7 Figurines

Used

1.4 Fossils

Present

Absent

Types of Shale and Nepheline Syenite

Some rocks according to their use or texture are classified into different types. Know more about Shale Texture and Nepheline Syenite Texture. Types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale whereas the types of Nepheline Syenite are Borolanite and Litchfieldite.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 and Nepheline Syenite were 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. Shale and Nepheline Syenite were used for creating petroglyphs.