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Diabase and Coal Definition


Coal and Diabase Definition


Definition

Definition
Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar   
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds   

History
  
  

Origin
Germany   
USA   

Discoverer
Christian Leopold von Buch   
John Peter Salley   

Etymology
From Greek di + base   
From the Old English term col, which has meant mineral of fossilized carbon since the 13th century   

Class
Igneous Rocks   
Sedimentary Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Soft Rock   

Family
  
  

Group
Volcanic   
Not Applicable   

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

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Definition of Diabase and Coal

The general Diabase and Coal definition can be stated as: Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar. On the other hand, Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. Along with definition of Diabase and Coal, get to know about Properties of Diabase and Coal. Get to know more information about Diabase and Coal origin and discoverer, etymology and class.

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History of Diabase and Coal

The history of Diabase and Coal 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.

Diabase and Coal Origin and Discoverer

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

Etymology of Diabase and Coal

Along with Diabase and Coal definition, know more about the etymology of Diabase and Coal. Etymology of Diabase and Coal gives information about origin and formation of a particular rock. Know more about Formation of Diabase and Formation of Coal. The etymology of Diabase is From Greek di + base while that of Coal is From Greek di + base. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Diabase belongs to Igneous Rocks while Coal belongs to Sedimentary Rocks. The sub-class, group and other categories of Diabase and Coal are listed below.

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For Coal,

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