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Picrite and Essexite  Definition


Essexite  and Picrite Definition


Definition

Definition
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine   
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   

History
  
  

Origin
Hawaii Islands   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From Greek pikros bitter + -ite, 19th century   
From the locality in Essex County, Massachusetts,US   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Volcanic   
Plutonic   

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

Texture >>
<< Summary

Definition of Picrite and Essexite 

The general Picrite and Essexite  definition can be stated as: Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. On the other hand, Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. Along with definition of Picrite and Essexite , get to know about Properties of Picrite and Essexite . Get to know more information about Picrite and Essexite  origin and discoverer, etymology and class.

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History of Picrite and Essexite 

The history of Picrite and Essexite  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.

Picrite and Essexite  Origin and Discoverer

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

Etymology of Picrite and Essexite 

Along with Picrite and Essexite  definition, know more about the etymology of Picrite and Essexite . Etymology of Picrite and Essexite  gives information about origin and formation of a particular rock. Know more about Formation of Picrite and Formation of Essexite . The etymology of Picrite is From Greek pikros bitter + -ite, 19th century while that of Essexite  is From Greek pikros bitter + -ite, 19th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Picrite and Essexite  belong to Igneous Rocks. The sub-class, group and other categories of Picrite and Essexite  are listed below.

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