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Scoria and Anthracite Definition


Anthracite and Scoria Definition


Definition

Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities   
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster   

History
  
  

Origin
Unknown   
Pennsylvania, U.S.   

Discoverer
Unknown   
Unknown   

Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung   
From Greek anthrakites, from anthrax, anthrak meaning coal   

Class
Igneous Rocks   
Metamorphic Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
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Definition of Scoria and Anthracite

The general Scoria and Anthracite definition can be stated as: Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. On the other hand, Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Along with definition of Scoria and Anthracite, get to know about Properties of Scoria and Anthracite. Get to know more information about Scoria and Anthracite origin and discoverer, etymology and class.

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History of Scoria and Anthracite

The history of Scoria and Anthracite 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.

Scoria and Anthracite Origin and Discoverer

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

Etymology of Scoria and Anthracite

Along with Scoria and Anthracite definition, know more about the etymology of Scoria and Anthracite. Etymology of Scoria and Anthracite gives information about origin and formation of a particular rock. Know more about Formation of Scoria and Formation of Anthracite. The etymology of Scoria is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung while that of Anthracite is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Scoria belongs to Igneous Rocks while Anthracite belongs to Metamorphic Rocks. The sub-class, group and other categories of Scoria and Anthracite are listed below.

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