Variolite and Chert Definition

Definition of Variolite and Chert

The general Variolite and Chert 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, Chert is a hard, dark, opaque sedimentary rock which is composed of silica with an amorphous fine-grained texture. Along with definition of Variolite and Chert, get to know about Properties of Variolite and Chert. Get to know more information about Variolite and Chert origin and discoverer, etymology and class.

History of Variolite and Chert

The history of Variolite and Chert 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 Chert Origin and Discoverer

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

Etymology of Variolite and Chert

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

For Variolite,

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

For Chert,

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