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Nepheline Syenite and Picrite Definition


Picrite and Nepheline Syenite Definition


Definition

Definition
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz   
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine   

History
  
  

Origin
Unknown   
Hawaii Islands   

Discoverer
Unknown   
Unknown   

Etymology
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China   
From Greek pikros bitter + -ite, 19th century   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

Other Categories
Fine Grained Rock, Opaque Rock   
Fine Grained Rock, Opaque Rock   

Texture >>
<< Summary

Definition of Nepheline Syenite and Picrite

The general Nepheline Syenite and Picrite definition can be stated as: Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. On the other hand, Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Along with definition of Nepheline Syenite and Picrite, get to know about Properties of Nepheline Syenite and Picrite. Get to know more information about Nepheline Syenite and Picrite origin and discoverer, etymology and class.

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History of Nepheline Syenite and Picrite

The history of Nepheline Syenite and Picrite 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.

Nepheline Syenite and Picrite Origin and Discoverer

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

Etymology of Nepheline Syenite and Picrite

Along with Nepheline Syenite and Picrite definition, know more about the etymology of Nepheline Syenite and Picrite. Etymology of Nepheline Syenite and Picrite gives information about origin and formation of a particular rock. Know more about Formation of Nepheline Syenite and Formation of Picrite. The etymology of Nepheline Syenite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China while that of Picrite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nepheline Syenite and Picrite belong to Igneous Rocks. The sub-class, group and other categories of Nepheline Syenite and Picrite are listed below.

For Nepheline Syenite,

For Picrite,

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