Shale and Dacite Types and Facts

Shale

Dacite

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Types

Features

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

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

Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite

Host Rock for Lead, Is one of the oldest rock

Absent

Types of Shale and Dacite

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