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Dacite and Oil shale Definition


Oil shale and Dacite Definition


Definition

Definition
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite   
Oil Shale is a fine-grained sedimentary rock from which oil is extracted   

History
  
  

Origin
Romania and Moldova, Europe   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described   
From Old English scealu in its base sense of thing that divides or separate   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture >>
<< Summary

Definition of Dacite and Oil shale

The general Dacite and Oil shale definition can be stated as: Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. On the other hand, Oil Shale is a fine-grained sedimentary rock from which oil is extracted. Along with definition of Dacite and Oil shale, get to know about Properties of Dacite and Oil shale. Get to know more information about Dacite and Oil shale origin and discoverer, etymology and class.

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History of Dacite and Oil shale

The history of Dacite and Oil shale 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.

Dacite and Oil shale Origin and Discoverer

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

Etymology of Dacite and Oil shale

Along with Dacite and Oil shale definition, know more about the etymology of Dacite and Oil shale. Etymology of Dacite and Oil shale gives information about origin and formation of a particular rock. Know more about Formation of Dacite and Formation of Oil shale. The etymology of Dacite is From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described while that of Oil shale is From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dacite belongs to Igneous Rocks while Oil shale belongs to Sedimentary Rocks. The sub-class, group and other categories of Dacite and Oil shale are listed below.

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