Porphyry and Alkali Feldspar Granite Definition

Definition of Porphyry and Alkali Feldspar Granite

The general Porphyry and Alkali Feldspar Granite 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, Alkali feldspar granite, also known as red granite, is a felsic igneous rock and a type of granite rich in the mineral potassium feldspar. Along with definition of Porphyry and Alkali Feldspar Granite, get to know about Properties of Porphyry and Alkali Feldspar Granite. Get to know more information about Porphyry and Alkali Feldspar Granite origin and discoverer, etymology and class.

History of Porphyry and Alkali Feldspar Granite

The history of Porphyry and Alkali Feldspar Granite 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 Alkali Feldspar Granite Origin and Discoverer

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

Etymology of Porphyry and Alkali Feldspar Granite

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

For Porphyry,

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

For Alkali Feldspar Granite,

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