Gneiss and Shale Types and Facts

Gneiss

Shale

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Types

Features

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

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

Generally rough to touch, Is one of the oldest rock

Konark Sun Temple in India, Washington Monument, US

Absent

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

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

Jantar Mantar in India

Present

Types of Gneiss and Shale

Some rocks according to their use or texture are classified into different types. Know more about Gneiss Texture and Shale Texture. The types of Gneiss and Shale are .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. Gneiss and Shale were 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. Gneiss and Shale were for creating petroglyphs.