Andesite and Comendite Types and Facts

Andesite

Comendite

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1 Types

1.1 Types

Icelandite

Rhyolite

1.2 Features

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

Very fine grained rock, It is One of the Oldest, Strongest and Hardest 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

1.3.6 Petroglyphs

Not Used

1.3.7 Figurines

Used

Not Yet Used

1.4 Fossils

Absent

Types of Andesite and Comendite

Some rocks according to their use or texture are classified into different types. Know more about Andesite Texture and Comendite Texture. Types of Andesite are Icelandite whereas the types of Comendite are Rhyolite.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 and Comendite 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. Andesite and Comendite were not used for creating petroglyphs.