Rhyolite and Tuff Definition
Definition
Rhyolite is a fine-grained igneous rock which is rich in silica
  
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption
  
History
  
  
Origin
North America
  
Italy
  
Discoverer
Ferdinand von Richthofen
  
Unknown
  
Etymology
From German Rhyolit, from Greek rhuax lava stream + lithos stone
  
From a Latin word tophous then in Italian tufo and finally tuff
  
Class
Igneous Rocks
  
Igneous Rocks
  
Sub-Class
Durable Rock, Hard Rock
  
Durable Rock, Medium Hardness Rock
  
Family
  
  
Group
Volcanic
  
Volcanic
  
Other Categories
Coarse Grained Rock, Opaque Rock
  
Fine Grained Rock, Opaque Rock
  
Definition of Rhyolite and Tuff
The general Rhyolite and Tuff definition can be stated as: Rhyolite is a fine-grained igneous rock which is rich in silica. On the other hand, Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Along with definition of Rhyolite and Tuff, get to know about Properties of Rhyolite and Tuff. Get to know more information about Rhyolite and Tuff origin and discoverer, etymology and class.
History of Rhyolite and Tuff
The history of Rhyolite and Tuff 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 Tuff Origin and Discoverer
Rhyolite and Tuff definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Rhyolite and Tuff. In this section, you will know about Rhyolite and Tuff Origin and Discoverer. Origin of Rhyolite is North America whereas Origin of Tuff is Italy. It is interesting to know the name of Rhyolite and Tuff discoverer. The Discoverer of Rhyolite is Ferdinand von Richthofen and the discoverer of Tuff is Unknown.
Etymology of Rhyolite and Tuff
Along with Rhyolite and Tuff definition, know more about the etymology of Rhyolite and Tuff. Etymology of Rhyolite and Tuff gives information about origin and formation of a particular rock. Know more about Formation of Rhyolite and Formation of Tuff. The etymology of Rhyolite is From German Rhyolit, from Greek rhuax lava stream + lithos stone while that of Tuff 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 Tuff belong to Igneous Rocks. The sub-class, group and other categories of Rhyolite and Tuff are listed below.
For Rhyolite,
- Sub-class: Durable Rock and Hard Rock
- Group: Volcanic
- Other Categories: Coarse grained rock and Opaque rock
For Tuff,
- Sub-class: Durable Rock and Medium Hardness Rock
- Group: Volcanic
- Other Categories: Fine grained rock and Opaque rock