Hornblendite and Hyaloclastite Types and Facts

Hornblendite

Hyaloclastite

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1 Types

1.1 Types

Hornblende Gabbro and Hornblende Peridotite

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

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

Not Yet Used

Used

1.3.2 Famous Monuments

Not Applicable

Data Not Available

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 Hornblendite and Hyaloclastite

Some rocks according to their use or texture are classified into different types. Know more about Hornblendite Texture and Hyaloclastite Texture. Types of Hornblendite are Hornblende Gabbro and Hornblende Peridotite whereas the types of Hyaloclastite are Welded tuff, Rhyolitic tuff, Basaltic tuff, Trachyte tuff and Andesitic tuff..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. Hornblendite was not used to create pictographs whereas Hyaloclastite 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. Hornblendite was not used to create petroglyphs whereas Hyaloclastite was used to create petroglyphs.