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Syenite and Phonolite Definition


Phonolite and Syenite Definition


Definition

Definition
Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals  
Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic  

History
  
  

Origin
-  
-  

Discoverer
Unknown  
Unknown  

Etymology
From French syénite, from Latin Syenites (lapis ) (stone) of Syene  
From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit  

Class
Igneous Rocks  
Igneous Rocks  

Sub-Class
Durable Rock, Medium Hardness Rock  
Durable Rock, Medium Hardness Rock  

Family
  
  

Group
Plutonic  
-  

Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock  
Fine Grained Rock, Opaque Rock  

Texture >>
<< Summary

Definition of Syenite and Phonolite

The general Syenite and Phonolite definition can be stated as: Syenite is a coarse-grained igneous rock which is composed mainly of alkali feldspar and various ferromagnesian minerals. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Syenite and Phonolite, get to know about Properties of Syenite and Phonolite. Get to know more information about Syenite and Phonolite origin and discoverer, etymology and class.

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History of Syenite and Phonolite

The history of Syenite and Phonolite gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Syenite and Phonolite Origin and Discoverer

Syenite and Phonolite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Syenite and Phonolite. In this section, you will know about Syenite and Phonolite Origin and Discoverer. Origin of Syenite and Phonolite are . It is interesting to know the name of Syenite and Phonolite discoverer. The discoverer of Syenite and Phonolite are Unknown.

Etymology of Syenite and Phonolite

Along with Syenite and Phonolite definition, know more about the etymology of Syenite and Phonolite. Etymology of Syenite and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Syenite and Formation of Phonolite. The etymology of Syenite is From French syénite, from Latin Syenites (lapis ) (stone) of Syene while that of Phonolite is From French syénite, from Latin Syenites (lapis ) (stone) of Syene. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Syenite and Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Syenite and Phonolite are listed below.

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