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Anthracite and Tuff Definition


Tuff and Anthracite Definition


Definition

Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster   
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption   

History
  
  

Origin
Pennsylvania, U.S.   
Italy   

Discoverer
Unknown   
Unknown   

Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal   
From a Latin word tophous then in Italian tufo and finally tuff   

Class
Metamorphic Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

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Definition of Anthracite and Tuff

The general Anthracite and Tuff definition can be stated as: Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. 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 Anthracite and Tuff, get to know about Properties of Anthracite and Tuff. Get to know more information about Anthracite and Tuff origin and discoverer, etymology and class.

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History of Anthracite and Tuff

The history of Anthracite 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.

Anthracite and Tuff Origin and Discoverer

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

Etymology of Anthracite and Tuff

Along with Anthracite and Tuff definition, know more about the etymology of Anthracite and Tuff. Etymology of Anthracite and Tuff gives information about origin and formation of a particular rock. Know more about Formation of Anthracite and Formation of Tuff. The etymology of Anthracite is From Greek anthrakites, from anthrax, anthrak meaning coal while that of Tuff is From Greek anthrakites, from anthrax, anthrak meaning coal. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anthracite belongs to Metamorphic Rocks while Tuff belongs to Igneous Rocks. The sub-class, group and other categories of Anthracite and Tuff are listed below.

For Anthracite,

For Tuff,

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