Variolite and Pseudotachylite Definition

Definition of Variolite and Pseudotachylite

The general Variolite and Pseudotachylite 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, Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. Along with definition of Variolite and Pseudotachylite, get to know about Properties of Variolite and Pseudotachylite. Get to know more information about Variolite and Pseudotachylite origin and discoverer, etymology and class.

History of Variolite and Pseudotachylite

The history of Variolite and Pseudotachylite 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 Pseudotachylite Origin and Discoverer

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

Etymology of Variolite and Pseudotachylite

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

For Variolite,

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

For Pseudotachylite,

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