Phyllite and Porphyry Definition

Definition of Phyllite and Porphyry

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

History of Phyllite and Porphyry

The history of Phyllite 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.

Phyllite and Porphyry Origin and Discoverer

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

Etymology of Phyllite and Porphyry

Along with Phyllite and Porphyry definition, know more about the etymology of Phyllite and Porphyry. Etymology of Phyllite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Phyllite and Formation of Porphyry. The etymology of Phyllite is From Greek phullon leaf + -ite1 while that of Porphyry is From Greek phullon leaf + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phyllite belongs to Metamorphic Rocks while Porphyry belongs to Igneous Rocks. The sub-class, group and other categories of Phyllite and Porphyry are listed below.

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

For Porphyry,

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