Porphyry and Nepheline Syenite Definition

Definition of Porphyry and Nepheline Syenite

The general Porphyry and Nepheline Syenite 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, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Porphyry and Nepheline Syenite, get to know about Properties of Porphyry and Nepheline Syenite. Get to know more information about Porphyry and Nepheline Syenite origin and discoverer, etymology and class.

History of Porphyry and Nepheline Syenite

The history of Porphyry and Nepheline Syenite 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 Nepheline Syenite Origin and Discoverer

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

Etymology of Porphyry and Nepheline Syenite

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

For Porphyry,

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

For Nepheline Syenite,

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