Pseudotachylite and Variolite Definition

Definition of Pseudotachylite and Variolite

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

History of Pseudotachylite and Variolite

The history of Pseudotachylite 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.

Pseudotachylite and Variolite Origin and Discoverer

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

Etymology of Pseudotachylite and Variolite

Along with Pseudotachylite and Variolite definition, know more about the etymology of Pseudotachylite and Variolite. Etymology of Pseudotachylite and Variolite gives information about origin and formation of a particular rock. Know more about Formation of Pseudotachylite and Formation of Variolite. The etymology of Pseudotachylite is From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults. while that of Variolite is From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pseudotachylite belongs to Metamorphic Rocks while Variolite belongs to Igneous Rocks. The sub-class, group and other categories of Pseudotachylite and Variolite are listed below.

For Pseudotachylite,

• Sub-class: Durable Rock and Hard 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