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Essexite 
Essexite 

Tuff
Tuff



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Essexite 
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Tuff

Essexite  and Tuff Definition

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1 Definition
1.1 Definition
Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
1.2 History
1.2.1 Origin
USA
Italy
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From the locality in Essex County, Massachusetts,US
From a Latin word tophous then in Italian tufo and finally tuff
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Essexite  and Tuff

The general Essexite  and Tuff 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, Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Along with definition of Essexite  and Tuff, get to know about Properties of Essexite  and Tuff. Get to know more information about Essexite  and Tuff origin and discoverer, etymology and class.

History of Essexite  and Tuff

The history of Essexite  and Tuff 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 Tuff Origin and Discoverer

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

Etymology of Essexite  and Tuff

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

For Essexite ,

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

For Tuff,

  • Sub-class: Durable Rock and Medium Hardness Rock
  • Group: Volcanic
  • Other Categories: Fine grained rock and Opaque rock