Migmatite and Tuff Types and Facts

Migmatite

Tuff

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1 Types

1.1 Types

Diatexites and Metatexites

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

1.2 Features

Generally rough to touch, 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 Migmatite and Tuff

Some rocks according to their use or texture are classified into different types. Know more about Migmatite Texture and Tuff Texture. Types of Migmatite are Diatexites and Metatexites 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. Migmatite 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. Migmatite and Tuff were used for creating petroglyphs.