Porphyry and Granodiorite Definition

Definition of Porphyry and Granodiorite

The general Porphyry and Granodiorite 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, Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite. Along with definition of Porphyry and Granodiorite, get to know about Properties of Porphyry and Granodiorite. Get to know more information about Porphyry and Granodiorite origin and discoverer, etymology and class.

History of Porphyry and Granodiorite

The history of Porphyry and Granodiorite 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 Granodiorite Origin and Discoverer

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

Etymology of Porphyry and Granodiorite

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

For Porphyry,

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

For Granodiorite,

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