Variolite and Basalt Definition

Definition of Variolite and Basalt

The general Variolite and Basalt definition can be stated as: 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. On the other hand, Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. Along with definition of Variolite and Basalt, get to know about Properties of Variolite and Basalt. Get to know more information about Variolite and Basalt origin and discoverer, etymology and class.

History of Variolite and Basalt

The history of Variolite and Basalt 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.

Variolite and Basalt Origin and Discoverer

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

Etymology of Variolite and Basalt

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

For Variolite,

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

For Basalt,

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