Tuff and Variolite Definition

Definition of Tuff and Variolite

The general Tuff and Variolite definition can be stated as: Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. On the other hand, Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. Along with definition of Tuff and Variolite, get to know about Properties of Tuff and Variolite. Get to know more information about Tuff and Variolite origin and discoverer, etymology and class.

History of Tuff and Variolite

The history of Tuff and Variolite 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.

Tuff and Variolite Origin and Discoverer

Tuff and Variolite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Tuff and Variolite. In this section, you will know about Tuff and Variolite Origin and Discoverer. Origin of Tuff is Italy whereas Origin of Variolite is France. It is interesting to know the name of Tuff and Variolite discoverer. The discoverer of Tuff and Variolite are Unknown.

Etymology of Tuff and Variolite

Along with Tuff and Variolite definition, know more about the etymology of Tuff and Variolite. Etymology of Tuff and Variolite gives information about origin and formation of a particular rock. Know more about Formation of Tuff and Formation of Variolite. The etymology of Tuff is From a Latin word tophous then in Italian tufo and finally tuff while that of Variolite is From a Latin word tophous then in Italian tufo and finally tuff. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Tuff and Variolite belong to Igneous Rocks. The sub-class, group and other categories of Tuff and Variolite are listed below.

For Tuff,

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

For Variolite,

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