Porphyry and Greenschist Definition

Definition of Porphyry and Greenschist

The general Porphyry and Greenschist 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, Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism. Along with definition of Porphyry and Greenschist, get to know about Properties of Porphyry and Greenschist. Get to know more information about Porphyry and Greenschist origin and discoverer, etymology and class.

History of Porphyry and Greenschist

The history of Porphyry and Greenschist 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 Greenschist Origin and Discoverer

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

Etymology of Porphyry and Greenschist

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

For Porphyry,

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

For Greenschist,

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