Syenite and Gneiss Types and Facts

Syenite

Gneiss

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1 Types

1.1 Types

Shonkinite

Augen Gneiss, Henderson Gneiss, Lewisian Gneiss, Archean and Proterozoic Gneiss.

1.2 Features

Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable

Generally rough to touch, Is one of the oldest rock

1.3 Archaeological Significance

1.3.1 Monuments

Used

1.3.2 Famous Monuments

Data Not Available

Konark Sun Temple in India, Washington Monument, US

1.3.3 Sculpture

Used

Not Yet Used

1.3.4 Famous Sculptures

Data Not Available

Not Applicable

1.3.5 Pictographs

Used

Not Used

1.3.6 Petroglyphs

Used

Not Used

1.3.7 Figurines

Used

Not Yet Used

1.4 Fossils

Absent

Types of Syenite and Gneiss

Some rocks according to their use or texture are classified into different types. Know more about Syenite Texture and Gneiss Texture. Types of Syenite are Shonkinite 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. Syenite was used to create pictographs whereas Gneiss is not 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. Syenite was used to create petroglyphs whereas Gneiss was not used to create petroglyphs.