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Rhyolite
Rhyolite

Gneiss
Gneiss



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Rhyolite and Gneiss Types and Facts

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1 Types
1.1 Types
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.
Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.
1.2 Features
Acidic in nature, Available in lots of colors
Generally rough to touch, Is one of the oldest rock
1.3 Archaeological Significance
1.3.1 Monuments
Not Yet Used
Used
1.3.2 Famous Monuments
Not Applicable
Konark Sun Temple in India, Washington Monument, US
1.3.3 Sculpture
Not Yet Used
Not Yet Used
1.3.4 Famous Sculptures
Not Applicable
Not Applicable
1.3.5 Pictographs
Not Used
Not Used
1.3.6 Petroglyphs
Not Used
Not Used
1.3.7 Figurines
Not Yet Used
Not Yet Used
1.4 Fossils
Absent
Absent

Types of Rhyolite and Gneiss

Some rocks according to their use or texture are classified into different types. Know more about Rhyolite Texture and Gneiss Texture. Types of Rhyolite are Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks. 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. Rhyolite 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. Rhyolite and Gneiss were not used for creating petroglyphs.