Anorthosite and Porphyry Definition

Definition of Anorthosite and Porphyry

The general Anorthosite and Porphyry definition can be stated as: Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. 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 Anorthosite and Porphyry, get to know about Properties of Anorthosite and Porphyry. Get to know more information about Anorthosite and Porphyry origin and discoverer, etymology and class.

History of Anorthosite and Porphyry

The history of Anorthosite 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.

Anorthosite and Porphyry Origin and Discoverer

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

Etymology of Anorthosite and Porphyry

Along with Anorthosite and Porphyry definition, know more about the etymology of Anorthosite and Porphyry. Etymology of Anorthosite and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Anorthosite and Formation of Porphyry. The etymology of Anorthosite is From French anorthose plagioclase + -ite1 while that of Porphyry is From French anorthose plagioclase + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Anorthosite and Porphyry belong to Igneous Rocks. The sub-class, group and other categories of Anorthosite and Porphyry are listed below.

For Anorthosite,

• Sub-class: Durable Rock and Medium Hardness 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