Pseudotachylite and Porphyry Definition

Definition of Pseudotachylite and Porphyry

The general Pseudotachylite and Porphyry 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, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Pseudotachylite and Porphyry, get to know about Properties of Pseudotachylite and Porphyry. Get to know more information about Pseudotachylite and Porphyry origin and discoverer, etymology and class.

History of Pseudotachylite and Porphyry

The history of Pseudotachylite and Porphyry 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 Porphyry Origin and Discoverer

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

Etymology of Pseudotachylite and Porphyry

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

For Pseudotachylite,

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

For Porphyry,

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