Porphyry and Phyllite Definition

Definition of Porphyry and Phyllite

The general Porphyry and Phyllite 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, Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Along with definition of Porphyry and Phyllite, get to know about Properties of Porphyry and Phyllite. Get to know more information about Porphyry and Phyllite origin and discoverer, etymology and class.

History of Porphyry and Phyllite

The history of Porphyry and Phyllite 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 Phyllite Origin and Discoverer

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

Etymology of Porphyry and Phyllite

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

For Porphyry,

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

For Phyllite,

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