Porphyry and Diorite Definition

Definition of Porphyry and Diorite

The general Porphyry and Diorite 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, Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. Along with definition of Porphyry and Diorite, get to know about Properties of Porphyry and Diorite. Get to know more information about Porphyry and Diorite origin and discoverer, etymology and class.

History of Porphyry and Diorite

The history of Porphyry and Diorite 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 Diorite Origin and Discoverer

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

Etymology of Porphyry and Diorite

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

For Porphyry,

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

For Diorite,

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