Nepheline Syenite and Porphyry Definition

Definition of Nepheline Syenite and Porphyry

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

History of Nepheline Syenite and Porphyry

The history of Nepheline Syenite 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.

Nepheline Syenite and Porphyry Origin and Discoverer

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

Etymology of Nepheline Syenite and Porphyry

Along with Nepheline Syenite and Porphyry definition, know more about the etymology of Nepheline Syenite and Porphyry. Etymology of Nepheline Syenite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Nepheline Syenite and Formation of Porphyry. The etymology of Nepheline Syenite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China while that of Porphyry is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nepheline Syenite and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Nepheline Syenite and Porphyry are listed below.

For Nepheline Syenite,

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

For Porphyry,

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