Claystone and Variolite Definition

Definition of Claystone and Variolite

The general Claystone and Variolite definition can be stated as: Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay. On the other hand, 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. Along with definition of Claystone and Variolite, get to know about Properties of Claystone and Variolite. Get to know more information about Claystone and Variolite origin and discoverer, etymology and class.

History of Claystone and Variolite

The history of Claystone and Variolite 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.

Claystone and Variolite Origin and Discoverer

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

Etymology of Claystone and Variolite

Along with Claystone and Variolite definition, know more about the etymology of Claystone and Variolite. Etymology of Claystone and Variolite gives information about origin and formation of a particular rock. Know more about Formation of Claystone and Formation of Variolite. The etymology of Claystone is From English clay and stone as the rock contains more amount of clay while that of Variolite is From English clay and stone as the rock contains more amount of clay. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Claystone belongs to Sedimentary Rocks while Variolite belongs to Igneous Rocks. The sub-class, group and other categories of Claystone and Variolite are listed below.

For Claystone,

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

For Variolite,

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