Porphyry and Mylonite Definition

Definition of Porphyry and Mylonite

The general Porphyry and Mylonite definition can be stated as: Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. On the other hand, Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism. Along with definition of Porphyry and Mylonite, get to know about Properties of Porphyry and Mylonite. Get to know more information about Porphyry and Mylonite origin and discoverer, etymology and class.

History of Porphyry and Mylonite

The history of Porphyry and Mylonite 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.

Porphyry and Mylonite Origin and Discoverer

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

Etymology of Porphyry and Mylonite

Along with Porphyry and Mylonite definition, know more about the etymology of Porphyry and Mylonite. Etymology of Porphyry and Mylonite gives information about origin and formation of a particular rock. Know more about Formation of Porphyry and Formation of Mylonite. The etymology of Porphyry is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites while that of Mylonite is From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Porphyry belongs to Igneous Rocks while Mylonite belongs to Metamorphic Rocks. The sub-class, group and other categories of Porphyry and Mylonite are listed below.

For Porphyry,

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

For Mylonite,

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