Dacite and Amphibolite Types and Facts

Dacite

Amphibolite

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1 Types

1.1 Types

Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite

Hornblendite

1.2 Features

Host Rock for Lead, Is one of the oldest rock

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

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

Not Yet Used

Used

1.3.4 Famous Sculptures

Not Applicable

Data Not Available

1.3.5 Pictographs

Used

Not Used

1.3.6 Petroglyphs

Used

Not Used

1.3.7 Figurines

Not Yet Used

Used

1.4 Fossils

Absent

Types of Dacite and Amphibolite

Some rocks according to their use or texture are classified into different types. Know more about Dacite Texture and Amphibolite Texture. Types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite whereas the types of Amphibolite are Hornblendite.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. Dacite was used to create pictographs whereas Amphibolite is not 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. Dacite was used to create petroglyphs whereas Amphibolite was not used to create petroglyphs.