Porphyry and Adakite Definition

Definition of Porphyry and Adakite

The general Porphyry and Adakite 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, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Porphyry and Adakite, get to know about Properties of Porphyry and Adakite. Get to know more information about Porphyry and Adakite origin and discoverer, etymology and class.

History of Porphyry and Adakite

The history of Porphyry and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Porphyry and Adakite

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

For Porphyry,

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

For Adakite,

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