Home
Compare Rocks


Essexite  and Troctolite Definition


Troctolite and Essexite  Definition


Definition

Definition
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock   
Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro   

History
  
  

Origin
USA   
Unknown   

Discoverer
Unknown   
Christian Leopold von Buch   

Etymology
From the locality in Essex County, Massachusetts,US   
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Plutonic   

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

Texture >>
<< Summary

Definition of Essexite  and Troctolite

The general Essexite  and Troctolite definition can be stated as: Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. On the other hand, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Essexite  and Troctolite, get to know about Properties of Essexite  and Troctolite. Get to know more information about Essexite  and Troctolite origin and discoverer, etymology and class.

Compare Igneous Rocks

History of Essexite  and Troctolite

The history of Essexite  and Troctolite 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.

Essexite  and Troctolite Origin and Discoverer

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

Etymology of Essexite  and Troctolite

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

For Essexite ,

For Troctolite,

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks