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Sandstone and Coal Definition


Coal and Sandstone Definition


Definition

Definition
Sandstone is defined as a rock which is composed of sand-sized grains of various minerals mostly of uniform size and often are smooth and rounded   
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds   

History
  
  

Origin
Unknown   
USA   

Discoverer
Unknown   
John Peter Salley   

Etymology
From its composition, sand and stone   
From the Old English term col, which has meant mineral of fossilized carbon since the 13th century   

Class
Sedimentary Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

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Definition of Sandstone and Coal

The general Sandstone and Coal definition can be stated as: Sandstone is defined as a rock which is composed of sand-sized grains of various minerals mostly of uniform size and often are smooth and rounded. 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 Sandstone and Coal, get to know about Properties of Sandstone and Coal. Get to know more information about Sandstone and Coal origin and discoverer, etymology and class.

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History of Sandstone and Coal

The history of Sandstone 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.

Sandstone and Coal Origin and Discoverer

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

Etymology of Sandstone and Coal

Along with Sandstone and Coal definition, know more about the etymology of Sandstone and Coal. Etymology of Sandstone and Coal gives information about origin and formation of a particular rock. Know more about Formation of Sandstone and Formation of Coal. The etymology of Sandstone is From its composition, sand and stone while that of Coal is From its composition, sand and stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Sandstone and Coal belong to Sedimentary Rocks. The sub-class, group and other categories of Sandstone and Coal are listed below.

For Sandstone,

For Coal,

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