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Coal and Andesite Definition


Andesite and Coal Definition


Definition

Definition
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds   
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava   

History
  
  

Origin
USA   
North America   

Discoverer
John Peter Salley   
Unknown   

Etymology
From the Old English term col, which has meant mineral of fossilized carbon since the 13th century   
From Andes mountains, where it is found in abundance   

Class
Sedimentary Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Hard 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 >>
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Definition of Coal and Andesite

The general Coal and Andesite definition can be stated as: Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. On the other hand, Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. Along with definition of Coal and Andesite, get to know about Properties of Coal and Andesite. Get to know more information about Coal and Andesite origin and discoverer, etymology and class.

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History of Coal and Andesite

The history of Coal and Andesite 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.

Coal and Andesite Origin and Discoverer

Coal and Andesite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Coal and Andesite. In this section, you will know about Coal and Andesite Origin and Discoverer. Origin of Coal is USA whereas Origin of Andesite is North America. It is interesting to know the name of Coal and Andesite discoverer. The Discoverer of Coal is John Peter Salley and the discoverer of Andesite is Unknown.

Etymology of Coal and Andesite

Along with Coal and Andesite definition, know more about the etymology of Coal and Andesite. Etymology of Coal and Andesite gives information about origin and formation of a particular rock. Know more about Formation of Coal and Formation of Andesite. The etymology of Coal is From the Old English term col, which has meant mineral of fossilized carbon since the 13th century while that of Andesite is From the Old English term col, which has meant mineral of fossilized carbon since the 13th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Coal belongs to Sedimentary Rocks while Andesite belongs to Igneous Rocks. The sub-class, group and other categories of Coal and Andesite are listed below.

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For Andesite,

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