Amphibolite and Tuff Types and Facts

Amphibolite

Tuff

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1 Types

1.1 Types

Hornblendite

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

1.2 Features

Clasts are smooth to touch, Matrix variable, Surfaces are often shiny

Always found as volcanic pipes over deep continental crust

1.3 Archaeological Significance

1.3.1 Monuments

Used

1.3.2 Famous Monuments

Data Not Available

Easter Island in the Polynesian Triangle, Pacific Ocean

1.3.3 Sculpture

Used

1.3.4 Famous Sculptures

Data Not Available

1.3.5 Pictographs

Not Used

Used

1.3.6 Petroglyphs

Not Used

Used

1.3.7 Figurines

Used

1.4 Fossils

Absent

Types of Amphibolite and Tuff

Some rocks according to their use or texture are classified into different types. Know more about Amphibolite Texture and Tuff Texture. Types of Amphibolite are Hornblendite 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. Amphibolite was not used to create pictographs whereas Tuff is 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. Amphibolite was not used to create petroglyphs whereas Tuff was used to create petroglyphs.