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Rhyolite
Rhyolite

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Dacite



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Rhyolite and Dacite Definition

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1 Definition
1.1 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
1.2 History
1.2.1 Origin
North America
Romania and Moldova, Europe
1.2.2 Discoverer
Ferdinand von Richthofen
Unknown
1.3 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
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Volcanic
Volcanic
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock

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.

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.

For Rhyolite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Volcanic
  • Other Categories: Coarse grained rock and Opaque rock

For Dacite,

  • Sub-class: Durable Rock and Soft Rock
  • Group: Volcanic
  • Other Categories: Fine grained rock, Medium grained rock and Opaque rock