Hyaloclastite and Mylonite Types and Facts

Hyaloclastite

Mylonite

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1 Types

1.1 Types

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

Blastomylonites, Ultramylonites and Phyllonites

1.2 Features

Always found as volcanic pipes over deep continental crust

Surfaces are often shiny

1.3 Archaeological Significance

1.3.1 Monuments

Used

1.3.2 Famous Monuments

Data Not Available

1.3.3 Sculpture

Used

1.3.4 Famous Sculptures

Data Not Available

1.3.5 Pictographs

Used

1.3.6 Petroglyphs

Used

1.3.7 Figurines

Used

1.4 Fossils

Absent

Types of Hyaloclastite and Mylonite

Some rocks according to their use or texture are classified into different types. Know more about Hyaloclastite Texture and Mylonite Texture. Types of Hyaloclastite are Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff and Andesitic tuff. whereas the types of Mylonite are Blastomylonites, Ultramylonites and Phyllonites.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. Hyaloclastite and Mylonite 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. Hyaloclastite and Mylonite were used for creating petroglyphs.