Amphibolite and Porphyry Types and Facts

Amphibolite

Porphyry

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1 Types

1.1 Types

Hornblendite

Rhomb Porphyry

1.2 Features

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

Generally rough to touch, Is one of the oldest rock, 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

Not Used

1.3.6 Petroglyphs

Not Used

1.3.7 Figurines

Used

1.4 Fossils

Absent

Types of Amphibolite and Porphyry

Some rocks according to their use or texture are classified into different types. Know more about Amphibolite Texture and Porphyry Texture. Types of Amphibolite are Hornblendite whereas the types of Porphyry are Rhomb Porphyry.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. Amphibolite and Porphyry were not 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. Amphibolite and Porphyry were not used for creating petroglyphs.