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Anthracite and Trachyandesite Definition


Trachyandesite and Anthracite Definition


Definition

Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster   
Trachyandesite is an extrusive igneous rock.   

History
  
  

Origin
Pennsylvania, U.S.   
Indonesia   

Discoverer
Unknown   
Unknown   

Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal   
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite   

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   

Texture >>
<< Summary

Definition of Anthracite and Trachyandesite

The general Anthracite and Trachyandesite 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, Trachyandesite is an extrusive igneous rock.. Along with definition of Anthracite and Trachyandesite, get to know about Properties of Anthracite and Trachyandesite. Get to know more information about Anthracite and Trachyandesite origin and discoverer, etymology and class.

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History of Anthracite and Trachyandesite

The history of Anthracite and Trachyandesite 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 Trachyandesite Origin and Discoverer

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

Etymology of Anthracite and Trachyandesite

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

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