Hornblendite and Dacite Types and Facts

Hornblendite

Dacite

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1 Types

1.1 Types

Hornblende Gabbro and Hornblende Peridotite

Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite

1.2 Features

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

Host Rock for Lead, Is one of the oldest rock

1.3 Archaeological Significance

1.3.1 Monuments

Not Yet Used

1.3.2 Famous Monuments

Not Applicable

1.3.3 Sculpture

Used

Not Yet Used

1.3.4 Famous Sculptures

Data Not Available

Not Applicable

1.3.5 Pictographs

Not Used

Used

1.3.6 Petroglyphs

Not Used

Used

1.3.7 Figurines

Used

Not Yet Used

1.4 Fossils

Absent

Types of Hornblendite and Dacite

Some rocks according to their use or texture are classified into different types. Know more about Hornblendite Texture and Dacite Texture. Types of Hornblendite are Hornblende Gabbro and Hornblende Peridotite whereas the types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite.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 Dacite 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 Dacite was used to create petroglyphs.