Hyaloclastite and Hornfels Types and Facts

Hyaloclastite

Hornfels

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1 Types

1.1 Types

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

Biotite hornfels

1.2 Features

Always found as volcanic pipes over deep continental crust

Smooth to touch

1.3 Archaeological Significance

1.3.1 Monuments

Used

1.3.2 Famous Monuments

Data Not Available

1.3.3 Sculpture

Used

Not Yet Used

1.3.4 Famous Sculptures

Data Not Available

Not Applicable

1.3.5 Pictographs

Used

1.3.6 Petroglyphs

Used

1.3.7 Figurines

Used

Not Yet Used

1.4 Fossils

Absent

Types of Hyaloclastite and Hornfels

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