Variolite and Adakite Definition

Definition of Variolite and Adakite

The general Variolite and Adakite 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, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Variolite and Adakite, get to know about Properties of Variolite and Adakite. Get to know more information about Variolite and Adakite origin and discoverer, etymology and class.

History of Variolite and Adakite

The history of Variolite and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Variolite and Adakite

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

For Variolite,

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

For Adakite,

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