Variolite and Gossan Definition

Definition of Variolite and Gossan

The general Variolite and Gossan 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, Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. Along with definition of Variolite and Gossan, get to know about Properties of Variolite and Gossan. Get to know more information about Variolite and Gossan origin and discoverer, etymology and class.

History of Variolite and Gossan

The history of Variolite and Gossan 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 Gossan Origin and Discoverer

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

Etymology of Variolite and Gossan

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

For Variolite,

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

For Gossan,

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