Dacite and Tuff Types and Facts

Dacite

Tuff

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1 Types

1.1 Types

Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite

Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff, Andesitic tuff and Ignimbrite.

1.2 Features

Host Rock for Lead, Is one of the oldest rock

Always found as volcanic pipes over deep continental crust

1.3 Archaeological Significance

1.3.1 Monuments

Not Yet Used

Used

1.3.2 Famous Monuments

Not Applicable

Easter Island in the Polynesian Triangle, Pacific Ocean

1.3.3 Sculpture

Not Yet Used

Used

1.3.4 Famous Sculptures

Not Applicable

Data Not Available

1.3.5 Pictographs

Used

1.3.6 Petroglyphs

Used

1.3.7 Figurines

Not Yet Used

Used

1.4 Fossils

Absent

Types of Dacite and Tuff

Some rocks according to their use or texture are classified into different types. Know more about Dacite Texture and Tuff Texture. Types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite whereas the types of Tuff are Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff, Andesitic tuff and Ignimbrite..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. Dacite and Tuff 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. Dacite and Tuff were used for creating petroglyphs.