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Amphibolite
Amphibolite

Essexite 
Essexite 



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Amphibolite
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Amphibolite and Essexite  Definition

1 Definition
1.1 Definition
Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock
1.2 History
1.2.1 Origin
Unknown
USA
1.2.2 Discoverer
Alexandre Brongniart
Unknown
1.3 Etymology
From Amphibole + -ite
From the locality in Essex County, Massachusetts,US
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Not Applicable
Plutonic
1.6 Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Amphibolite and Essexite 

The general Amphibolite and Essexite  definition can be stated as: Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. 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 Amphibolite and Essexite , get to know about Properties of Amphibolite and Essexite . Get to know more information about Amphibolite and Essexite  origin and discoverer, etymology and class.

History of Amphibolite and Essexite 

The history of Amphibolite 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.

Amphibolite and Essexite  Origin and Discoverer

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

Etymology of Amphibolite and Essexite 

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

For Amphibolite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Not applicable
  • Other Categories: Coarse grained rock, Medium grained rock and Opaque rock

For Essexite ,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Plutonic
  • Other Categories: Fine grained rock and Opaque rock