Amphibolite and Anorthosite Types and Facts

Amphibolite

Anorthosite

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Types

Hornblendite

Proterozoic Anorthosite and Archean Anorthosite

Features

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

Generally rough to touch, Is one of the oldest rock

Archaeological Significance

Monuments

Used

Not Yet Used

Famous Monuments

Not Available

Not Applicable

Sculpture

Used

Famous Sculptures

Not Available

Not Applicable

Pictographs

Not Used

Petroglyphs

Not Used

Figurines

Used

Fossils

Absent

Types of Amphibolite and Anorthosite

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