Variolite and Troctolite Definition

Definition of Variolite and Troctolite

The general Variolite and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Variolite and Troctolite, get to know about Properties of Variolite and Troctolite. Get to know more information about Variolite and Troctolite origin and discoverer, etymology and class.

History of Variolite and Troctolite

The history of Variolite and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Variolite and Troctolite

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

For Variolite,

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

For Troctolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock