Variolite and Arkose Definition

Definition of Variolite and Arkose

The general Variolite and Arkose 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, Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Along with definition of Variolite and Arkose, get to know about Properties of Variolite and Arkose. Get to know more information about Variolite and Arkose origin and discoverer, etymology and class.

History of Variolite and Arkose

The history of Variolite and Arkose 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 Arkose Origin and Discoverer

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

Etymology of Variolite and Arkose

Along with Variolite and Arkose definition, know more about the etymology of Variolite and Arkose. Etymology of Variolite and Arkose gives information about origin and formation of a particular rock. Know more about Formation of Variolite and Formation of Arkose. The etymology of Variolite is From Latin varius, speckled, variegated while that of Arkose 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 belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks. The sub-class, group and other categories of Variolite and Arkose are listed below.

For Variolite,

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

For Arkose,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock and Opaque rock