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Rhyolite and Dacite Definition


Dacite and Rhyolite Definition


Definition

Definition
Rhyolite is a fine-grained igneous rock which is rich in silica   
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite   

History
  
  

Origin
North America   
Romania and Moldova, Europe   

Discoverer
Ferdinand von Richthofen   
Unknown   

Etymology
From German Rhyolit, from Greek rhuax lava stream + lithos stone   
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Volcanic   
Volcanic   

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

Texture >>
<< Summary

Definition of Rhyolite and Dacite

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

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History of Rhyolite and Dacite

The history of Rhyolite 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.

Rhyolite and Dacite Origin and Discoverer

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

Etymology of Rhyolite and Dacite

Along with Rhyolite and Dacite definition, know more about the etymology of Rhyolite and Dacite. Etymology of Rhyolite and Dacite gives information about origin and formation of a particular rock. Know more about Formation of Rhyolite and Formation of Dacite. The etymology of Rhyolite is From German Rhyolit, from Greek rhuax lava stream + lithos stone while that of Dacite is From German Rhyolit, from Greek rhuax lava stream + lithos stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhyolite and Dacite belong to Igneous Rocks. The sub-class, group and other categories of Rhyolite and Dacite are listed below.

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