Pseudotachylite and Pegmatite Definition

Definition of Pseudotachylite and Pegmatite

The general Pseudotachylite and Pegmatite 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, Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. Along with definition of Pseudotachylite and Pegmatite, get to know about Properties of Pseudotachylite and Pegmatite. Get to know more information about Pseudotachylite and Pegmatite origin and discoverer, etymology and class.

History of Pseudotachylite and Pegmatite

The history of Pseudotachylite and Pegmatite 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 Pegmatite Origin and Discoverer

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

Etymology of Pseudotachylite and Pegmatite

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

For Pseudotachylite,

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

For Pegmatite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock