Variolite and Siltstone Definition

Definition of Variolite and Siltstone

The general Variolite and Siltstone 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, Siltstone can be defined as a fine-grained sedimentary rock which mainly consists of consolidated silt. Along with definition of Variolite and Siltstone, get to know about Properties of Variolite and Siltstone. Get to know more information about Variolite and Siltstone origin and discoverer, etymology and class.

History of Variolite and Siltstone

The history of Variolite and Siltstone 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 Siltstone Origin and Discoverer

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

Etymology of Variolite and Siltstone

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

For Variolite,

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

For Siltstone,

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