Amphibolite and Gneiss Types and Facts

Amphibolite

Gneiss

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1 Types

1.1 Types

Hornblendite

Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.

1.2 Features

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

Generally rough to touch, Is one of the oldest rock

1.3 Archaeological Significance

1.3.1 Monuments

Used

1.3.2 Famous Monuments

Data Not Available

Konark Sun Temple in India, Washington Monument, US

1.3.3 Sculpture

Used

Not Yet Used

1.3.4 Famous Sculptures

Data Not Available

Not Applicable

1.3.5 Pictographs

Not Used

1.3.6 Petroglyphs

Not Used

1.3.7 Figurines

Used

Not Yet Used

1.4 Fossils

Absent

Types of Amphibolite and Gneiss

Some rocks according to their use or texture are classified into different types. Know more about Amphibolite Texture and Gneiss Texture. Types of Amphibolite are Hornblendite whereas the types of Gneiss are Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss..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 Gneiss 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 Gneiss were not used for creating petroglyphs.