Norite and Porphyry Definition

Definition of Norite and Porphyry

The general Norite and Porphyry definition can be stated as: Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. 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 Norite and Porphyry, get to know about Properties of Norite and Porphyry. Get to know more information about Norite and Porphyry origin and discoverer, etymology and class.

History of Norite and Porphyry

The history of Norite 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.

Norite and Porphyry Origin and Discoverer

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

Etymology of Norite and Porphyry

Along with Norite and Porphyry definition, know more about the etymology of Norite and Porphyry. Etymology of Norite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Norite and Formation of Porphyry. The etymology of Norite is From the Norwegian name for Norway, Norge while that of Porphyry is From the Norwegian name for Norway, Norge. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Norite and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Norite and Porphyry are listed below.

For Norite,

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

For Porphyry,

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