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Coal and Dacite Definition


Dacite 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   
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite   

History
  
  

Origin
USA   
Romania and Moldova, Europe   

Discoverer
John Peter Salley   
Unknown   

Etymology
From the Old English term col, which has meant mineral of fossilized carbon since the 13th century   
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture >>
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Definition of Coal and Dacite

The general Coal and Dacite 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, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Coal and Dacite, get to know about Properties of Coal and Dacite. Get to know more information about Coal and Dacite origin and discoverer, etymology and class.

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History of Coal and Dacite

The history of Coal and Dacite 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 Dacite Origin and Discoverer

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

Etymology of Coal and Dacite

Along with Coal and Dacite definition, know more about the etymology of Coal and Dacite. Etymology of Coal and Dacite gives information about origin and formation of a particular rock. Know more about Formation of Coal and Formation of Dacite. 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 Dacite 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 Dacite belongs to Igneous Rocks. The sub-class, group and other categories of Coal and Dacite are listed below.

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