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Dacite and Shale Definition


Shale and Dacite Definition


Definition

Definition
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite   
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles   

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 German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. 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, Medium Hardness 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 Shale

The general Dacite and 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, Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. Along with definition of Dacite and Shale, get to know about Properties of Dacite and Shale. Get to know more information about Dacite and Shale origin and discoverer, etymology and class.

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History of Dacite and Shale

The history of Dacite and 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 Shale Origin and Discoverer

Dacite and 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 Shale. In this section, you will know about Dacite and Shale Origin and Discoverer. Origin of Dacite is Romania and Moldova, Europe whereas Origin of Shale is Unknown. It is interesting to know the name of Dacite and Shale discoverer. The discoverer of Dacite and Shale are Unknown.

Etymology of Dacite and Shale

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

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For Shale,

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