Home
Compare Rocks


Foidolite and Essexite  Definition


Essexite  and Foidolite Definition


Definition

Definition
Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%   
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
Unknown   

Etymology
From the mineral feldspathoid which is the main content of rock   
From the locality in Essex County, Massachusetts,US   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Foidolite and Essexite 

The general Foidolite and Essexite  definition can be stated as: Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. 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 Foidolite and Essexite , get to know about Properties of Foidolite and Essexite . Get to know more information about Foidolite and Essexite  origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Foidolite and Essexite 

The history of Foidolite 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.

Foidolite and Essexite  Origin and Discoverer

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

Etymology of Foidolite and Essexite 

Along with Foidolite and Essexite  definition, know more about the etymology of Foidolite and Essexite . Etymology of Foidolite and Essexite  gives information about origin and formation of a particular rock. Know more about Formation of Foidolite and Formation of Essexite . The etymology of Foidolite is From the mineral feldspathoid which is the main content of rock while that of Essexite  is From the mineral feldspathoid which is the main content of rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Foidolite and Essexite  belong to Igneous Rocks. The sub-class, group and other categories of Foidolite and Essexite  are listed below.

For Foidolite,

For Essexite ,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks