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Shale and Essexite  Definition


Essexite  and Shale Definition


Definition

Definition
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles   
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 German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,   
From the locality in Essex County, Massachusetts,US   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Shale and Essexite 

The general Shale and Essexite  definition can be stated as: Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. 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 Shale and Essexite , get to know about Properties of Shale and Essexite . Get to know more information about Shale and Essexite  origin and discoverer, etymology and class.

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History of Shale and Essexite 

The history of Shale 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.

Shale and Essexite  Origin and Discoverer

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

Etymology of Shale and Essexite 

Along with Shale and Essexite  definition, know more about the etymology of Shale and Essexite . Etymology of Shale and Essexite  gives information about origin and formation of a particular rock. Know more about Formation of Shale and Formation of Essexite . The etymology of Shale is From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate, while that of Essexite  is From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shale belongs to Sedimentary Rocks while Essexite  belongs to Igneous Rocks. The sub-class, group and other categories of Shale and Essexite  are listed below.

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