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Andesite
Andesite

Slate
Slate



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Andesite
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Slate

Andesite and Slate Types and Facts

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1 Types
1.1 Types
Icelandite
Not Available
1.2 Features
Generally rough to touch, High silica content, Is one of the oldest rock
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock
1.3 Archaeological Significance
1.3.1 Monuments
Used
Used
1.3.2 Famous Monuments
Middle of the Earth in Ecuador
Data Not Available
1.3.3 Sculpture
Used
Used
1.3.4 Famous Sculptures
Data Not Available
Data Not Available
1.3.5 Pictographs
Not Used
Used
1.3.6 Petroglyphs
Not Used
Used
1.3.7 Figurines
Used
Used
1.4 Fossils
Absent
Absent

Types of Andesite and Slate

Some rocks according to their use or texture are classified into different types. Know more about Andesite Texture and Slate Texture. Types of Andesite are Icelandite whereas the types of Slate are Not Available.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 Slate 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 Slate was used to create petroglyphs.