Andesite and Migmatite Types and Facts

Andesite

Migmatite

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1 Types

1.1 Types

Icelandite

Diatexites and Metatexites

1.2 Features

Generally rough to touch, High silica content, Is one of the oldest rock

Generally rough to touch, Is one of the oldest rock

1.3 Archaeological Significance

1.3.1 Monuments

Used

Not Yet Used

1.3.2 Famous Monuments

Middle of the Earth in Ecuador

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 Andesite and Migmatite

Some rocks according to their use or texture are classified into different types. Know more about Andesite Texture and Migmatite Texture. Types of Andesite are Icelandite whereas the types of Migmatite are Diatexites and Metatexites.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. Andesite was not used to create pictographs whereas Migmatite 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. Andesite was not used to create petroglyphs whereas Migmatite was used to create petroglyphs.